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Table of Contents
Related Manuals for Verizon MiFi 4620L Jetpack
Summary of Contents for Verizon MiFi 4620L Jetpack
- Page 1 User Guide MiFi® 4620L...
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Page 2: Software License
©2012 Novatel Wireless, Inc. All rights reserved. The information contained in this document is subject to change without notice and should not be construed as a commitment by Novatel Wireless, Inc. Patents and Licenses Visit www.novatelwireless.com/patents for a complete list of all Novatel Wireless patents. Software License Proprietary Rights Provisions: The software drivers provided with this product are copyrighted by Novatel Wireless and/or Novatel Wireless’... -
Page 3: Table Of Contents
Contents Getting Started ............1 Overview. - Page 4 Wi-Fi ..................28 Wi-Fi Profile .
- Page 5 Diagnostics................66 Modem .
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Page 6: Getting Started
Getting Started Overview Components Power Management Caring for Your Device... -
Page 7: Overview
Overview Congratulations on your purchase of the Verizon Jetpack™ Mobile Hotspot - MiFi® 4620L for 4G LTE™ and Wi-Fi! With the MiFi 4620L you can access 4G LTE networks for faster apps, uploads and downloads. Connect up to ten Wi-Fi enabled devices to the Internet at once - laptops, tablets, e-readers, gaming consoles and more* - and experience download speeds of up to 100 Mbps**. -
Page 8: System Requirements
System Requirements Compatible with all major operating systems • Works with the latest versions of browsers, including Android™, Chrome™, Firefox®, Internet • Explorer®, Safari™ and Mobile Safari™ To use Wi-Fi mode, your computer needs Wi-Fi capability and Internet browser software only. Your device must have proper data service to function properly. -
Page 9: Components
Components ➏ ➎ ➊ ➍ ➋ ➌ ➊ Scroll Button — Scrolls left or right through available menu options. ➋ Service Status Indicator (LED) — Shows the device status, including connection and error states. (See Service Status Indicator (LED) States on page 6.) ➌... - Page 10 ➊ ➍ ➋ ➌ ➎ ➊ SIM Card Slot — The SIM card is installed here. ➋ Battery Compartment — The battery contacts connect here. ➌ Master Reset Button — Insert a paperclip in the small hole to reset the device to factory settings.
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Page 11: Service Status Indicator (Led) States
Service Status Indicator (LED) States LED Color Status Description No Light The device is powered off or otherwise is not receiving power. Yellow Solid The device is in power down mode. Blinking The device is powered off and also charging the battery. Green Slow The device is powered on;... -
Page 12: Service Display States
Service Display States Display Icon Status Description No icons The display is off, and the LED The device is powered off or otherwise is not is also off. receiving power. Network An antenna with 0-5 bars. More bars indicate stronger signal. signal strength Message... -
Page 13: Power Management
Power Management Your device will work from its battery or when plugged into a power source. Battery — Charge the battery by plugging in the wall charger. While the battery is charging • the battery icon bars blink. When the battery is fully charged, the battery icon is solid. Wall charger —... -
Page 14: Caring For Your Device
Caring for Your Device Like any electronic device, the device must be handled with care to ensure reliable operation. Novatel Wireless recommends the following guidelines: Protect the device from liquids, dust, and excessive temperatures. • Do not apply adhesive labels to the device; they might cause the device to potentially •... -
Page 15: Using The Mifi 4620L
Using the MiFi 4620L Accessing the Network Using the Device for the First Time Connecting to the MiFi Device Using the Device After Setup is Complete... -
Page 16: Accessing The Network
802.11n uses the 2.4 GHz frequency with a bandwidth of 150 Mbps. • Speeds shown are those published by Verizon Wireless, Inc. and are theoretical in nature. Actual throughput speed and coverage may vary. Speed claims not applicable when roaming. -
Page 17: Using The Device For The First Time
Using the Device for the First Time To get started, follow these steps: ➊ Confirm your computer meets the minimum system requirements. (See System Requirements on page 3.) ➋ Assemble the wall charger. (See Assemble the Wall Charger on page 13.) ➌... -
Page 18: Assemble The Wall Charger
Assemble the Wall Charger The wall charger comes with a removable plug. You need to connect it before using the MiFi device for the first time. To assemble the wall charger, follow these steps: ➊ Remove the plug and the wall charger from the package. ➋... -
Page 19: Remove The 4G Lte Sim Card
Remove the 4G LTE SIM Card To remove the 4G LTE SIM card, follow these steps: ➊ Open the SIM card cover located on the underside of the MiFi 4620L. Press down on the small black tab to the left side of the SIM card slot. ➋... -
Page 20: Insert And Charge The Battery
Insert and Charge the Battery IMPORTANT Before you use your device, be sure to charge the battery for at least three hours to ensure a full initial charge. To insert and charge the battery, follow these steps: ➊ Insert your fingernail into the indention on the back cover and lift to open the battery compartment, located on the bottom of the device. -
Page 21: Remove The Battery
➍ Connect the micro USB end of the charger to the micro USB port of the device. ➎ Plug the other end of the AC wall charger into the appropriate electrical outlet. Charge for at least three hours. CAUTION! Use only batteries and chargers with your device that have been approved by Novatel Wireless. -
Page 22: Battery Tips
Battery Tips WARNING ! Use only batteries and chargers with your device that have been approved by Novatel Wireless. Always use Novatel Wireless original batteries and chargers. The warranty does not cover damage caused by non-Novatel Wireless batteries and/or chargers. It normally takes at least three hours to fully charge the battery with the wall charger. -
Page 23: Power The Mifi 4620L On And Off
Power the MiFi 4620L On and Off Power On Press the Power Button until the LED illuminates green or violet. • Power Off Press and hold the Power Button until the display shows MiFi Powering Off and the LED turns •... -
Page 24: Connecting To The Device
Connecting to the Device Now you can connect your computer to your MiFi 4620L using Wi-Fi. Connect to MiFi Settings To connect to the MiFi 4620L, follow these steps: ➊ Turn on your computer and turn on the MiFi 4620L. The MiFi 4620L's LED should be slow blinking green or violet, indicating the device is in service and ready to connect. -
Page 25: Using The Device After Setup Is Complete
Using the Device After Setup is Complete You can use the MiFi 4620L as a wireless mobile hotspot to connect your computer and/or (up to a total of ten) other Wi-Fi enabled devices to the mobile broadband network. You can customize the MiFi 4620L's settings using MiFi Settings. (See Configuring MiFi Settings page 22.) Normal Use... -
Page 26: Mifi Settings
MiFi Settings Configuring MiFi Settings Login Quickstart Wi-Fi Network Security System Advanced... -
Page 27: Configuring Mifi Settings
Configuring MiFi Settings You can configure the Wi-Fi settings on your device using the easy-to-use MiFi Settings web-based User Interface (MiFi Settings). It allows you to manage, monitor, and customize your Wi-Fi and 4G LTE mobile broadband connection. The following sections describe how to connect to MiFi Settings, as well as each screen and the corresponding functionality. -
Page 28: Login
Login The Login page is the first page you see after connecting and prior to logging in. It contains the status bar, the Connect/Disconnect button, and the Login button. You can access more information after you log in. Login Type the password (the default password is found on the sticker on the back of the MiFi device, and on the back of the Quick Start Guide) in the Login field at the top right corner of the window. -
Page 29: Quick Start
Quick Start The QuickStart menu allows you to quickly change the security settings (administration password and Wi-Fi settings) for your MiFi 4620L. The QuickStart screen has the following options: Admin Password (See Admin Password on page 24.) • Wi-Fi Settings (See Wi-Fi Settings on page 27.) •... -
Page 30: Change Admin Password
Change Admin Password To change the administration password used to login to the MiFi device from the QuickStart screen, follow these steps: ➊ Enter your current password in the Current Admin Password box. ➋ Enter your new password in the New Admin Password box. ➌... - Page 31 ➎ A screen displays confirming that your password has been changed. Click OK. Buttons Save & Next — Click this button to save any changes made to the administration password. • Save — Click this button to save any changes made to the password settings. •...
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Page 32: Wi-Fi Settings
Wi-Fi Settings The Wi-Fi Settings screen has the following options: Network Name (SSID) • Security • Wi-Fi Password • Available Wi-Fi Connections • To change your Wi-Fi security, password and/or connection settings, follow these steps: ➊ Select the desired settings from the security, Wi-Fi password and/or available Wi-Fi connections drop down menu(s). -
Page 33: Wi-Fi
Wi-Fi The Wi-Fi menu allows you to customize the Wi-Fi profiles and view details about the devices connected to your device. The Wi-Fi menu has the following menu options: Wi-Fi Profile (See Wi-Fi Profile on page 28.) • Connected Devices (See Connected Devices on page 32.) •... - Page 34 Security — The security type used to encrypt the wireless network. • WEP 64-bit (least secure, more compatible with older devices) • WEP 128-bit • WPA Personal/PSK (TKIP) • WPA2 Personal/PSK (AES) • WPA/WPA2 Personal Mixed Mode (most secure, less compatible with older devices) •...
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Page 35: Choosing A Profile
Choosing a Profile Your device comes with the Secure profile already set. The following profiles come with your device: Secure — This is the profile you should use most of the time. You can set up this profile with • the security measures you need to use your device safely. - Page 36 Updating the Current Profile To update the current profile, follow these steps: ➊ Keep the same profile in the Selected Profile pop-up menu. ➋ Make changes to the profile settings. ➌ Click Apply. If you change the Network Name (SSID), security method, or network key you will need to •...
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Page 37: Connected Devices
Connected Devices The Connected Devices section has the following: Hostname — The network name for the connected device (if available). • Date/Time — The date/time the device was detected by the network. • MAC Address — The Media Access Controller (MAC) or physical address for MiFi 4620L. •... -
Page 38: Network
Network The Network menu provides detailed LAN, WWAN and SIM information and configuration options, and a manual network selection option. The Network menu has the following options: LAN (See on page 34.) • WWAN (See WWAN on page 36.) • SIM (See on page 41.) •... -
Page 39: Lan
The LAN menu takes you to the LAN screen. The LAN screen gives you settings and information about MiFi 4620L's network. The LAN screen has the following sections: IPv4 (See IPv4 on page 34.) • IPv6 (See IPv6 on page 35.) •... -
Page 40: Ipv6
IPv6 The IPv6 section has the following options: Enable IPv6 — The Enable IPv6 checkbox enables or disables the IPv6 feature. • Link Local Address — Displays the local address when IPv6 is enabled. • Global Address — Displays the global address when IPv6 is enabled. •... -
Page 41: Wwan
WWAN The WWAN menu takes you to the WWAN screen. The WWAN screen gives you settings and information about MiFi 4620L's network. This is also where you can disable global roaming. The WWAN screen has the following sections: Internet Connection (See Internet Connection on page 37.) •... -
Page 42: Internet Connection
Internet Connection The Internet Connection section shows device settings and status and includes the following: Status — The status of the Internet connection, usually Connected or Disconnected. • Technology — The type of technology used to connect to the Internet. •... - Page 43 Connection Log Click the Connection Log button to access the WWAN settings connection log. The Connection Log has the following: Date/Time — The date/time the device was detected by the network. • Client IP Address — The client IP address for the connected device. •...
- Page 44 WWAN Log Click the WWAN Log button to access the WWAN log. The WWAN Log records network events. This data is useful for troubleshooting. Click this button to view the log data in a new window.
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Page 45: Wwan Settings
WWAN Settings To configure the settings, follow these steps: ➊ Select the device connection method from the Auto-connect drop-down menu. The connection choices are Auto-connect, Auto-connect except with roaming, or Manual. ➋ Global roaming is enabled by default. To disable global roaming, select the Disable Roaming checkbox. -
Page 46: Sim
The SIM menu takes you to the SIM screen. The SIM screen gives you settings and information about MiFi 4620L's SIM card. The SIM screen has the following section: SIM Operations (See SIM Operations on page 41.) • SIM Operations The SIM Operations section has the following: SIM Status —... -
Page 47: Manual Network Selection
Manual Network Selection The Manual Network Selection menu takes you to the Manual Network Selection screen. The Manual Network Selection screen tells you whether manual network selection is enabled or disabled. If manual network selection is enabled, only the selected network is used, and the network settings on the WWAN screen are ignored. -
Page 48: Security
Security The Security menu allows you to change your Administration password, and enable and configure MAC and Port filtering. The Security menu has the following options: Password (See Password on page 44.) • MAC Filtering (See MAC Filtering on page 45.) •... -
Page 49: Password
Password The Password screen enables you to set the administration password. This is the password you use to log in to MiFi Settings. The Password screen has the following section: Set Administration Password (See Set Administration Password on page 44.) •... -
Page 50: Mac Filtering
MAC Filtering The MAC Filtering screen enables you to allow specific devices to connect to MiFi 4620L's wireless network. For example, if you put the MAC address for your Wi-Fi-enabled mobile phone and the MAC addess for your computer in the Trusted Device List, then only those devices can connect to your device. -
Page 51: Mac Filter
MAC Filter The Enable MAC Filter checkbox enables or disables the MAC Filter feature. When the feature is enabled (checked), you must add the MAC address for the device to • the Trusted Device List. If a device not in the list tries to connect to the MiFi 4620L wireless network, the connection is blocked even if the device has the correct network name (SSID) and network key (Wi-Fi passkey). -
Page 52: Trusted Device List
Trusted Device List The Trusted Device List section displays the MAC address(es) of trusted devices. Only devices in the Trusted Device List are able to connect to the MiFi 4620L wireless network. Add Trusted Device MAC Address To add a device to the Trusted Device List, follow these steps: ➊... -
Page 53: Connected Devices
Remove a Device from the Trusted Device List To remove a device from the Trusted Device List, follow these steps: ➊ Click on the device in the Trusted Device List to select it. ➋ Click Delete Device. Connected Devices Hostname — The network name for the connected device (if available). •... -
Page 54: Port Filtering
Port Filtering The Port Filtering screen allows you to block outgoing Internet connections. You can set a list of Allowed Applications to only allow certain programs to connect to the Internet. The Port Filtering screen has the following sections: Port Filtering (See Port Filtering on page 50.) •... -
Page 55: Port Filtering
Port Filtering The Enable Port Filtering checkbox enables or disables the Port Filtering feature. When the feature is enabled (checked), you must select a port filtering application in the • Allowed Applications list to allow that application to connect to the Internet. For example, if you select VPN in the Allowed Applications list but do not select HTTP, you can connect to a VPN server but you cannot connect to a web page using your Internet browser. -
Page 56: Custom Applications
Custom Applications This page is only available when the Port Filtering feature is enabled. Click Custom Applications to open the Custom Port Filtering screen. You can define and enable custom Port Filtering applications. You need to know details of the traffic used and generated by the applications you wish to define. - Page 57 Port Ranges You can define up to six port ranges for each application. Each port range has the following options: Start Port — Type the beginning of the range of port numbers used by outgoing traffic • for this application. Use as many rows as necessary to define the required number of port ranges.
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Page 58: System
System The System menu provides system information, a system log, and the options to delete notifications and reset to factory defaults. The System menu has the following options: System Status (See System Status on page 54.) • Config File (See Config File on page 56.) •... -
Page 59: System Status
System Status The System Status screen displays detailed information on the status of the system and a system log of various operations. The System Status screen has the following sections: System Information (See System Information on page 55.) • System Log (See System Log on page 55.) •... -
Page 60: System Information
System Information The System Information section contains detailed information about the MiFi 4620L. The System Information section has the following: Manufacturer — The manufacturer of the MiFi 4620L. • Model — The model number or name of the MiFi 4620L. •... -
Page 61: Config File
Config File The Config File screen has the following sections: Config File Download (See Config File Download on page 56.) • Config File Upload (See Config File Upload on page 56.) • Config File Download The Config File Download section allows you to download (backup) the configuration file to your PC. -
Page 62: Software Update
Software Update The Software Update screen has the following sections: Update Status (See Update Status on page 57.) • History (See History on page 57.) • Update Status The Update Status section provides information on available software updates. Click the Check for Update button to check for new software updates. -
Page 63: Advanced
Advanced The Advanced menu provides audio alert notification options; Wi-Fi, Router and System settings; modem and network operational details; and options for configuring port forwarding applications. The Advanced menu has the following options: Audio Alerts (See Audio Alerts on page 59.) •... -
Page 64: Audio Alerts
Audio Alerts The Audio Alerts screen has the following sections: Audio Alerts (See Audio Alerts on page 59.) • Audio Alert Notifications (See Audio Alert Notifications on page 60.) • Audio Alerts Click the Locate My MiFi button to locate your device. -
Page 65: Audio Alert Notifications
Audio Alert Notifications The Audio Alert Notifications section has the following options: Device powered On/Off • New Notification message received • Low Battery alert at 20% • Low Battery alert at 5% • New Firmware update available • Roaming Confirmation (Yes/No on Display). Global roaming in enabled by default. This •... -
Page 66: Settings
Settings The Settings screen has the following sections: Wi-Fi (See Wi-Fi on page 62.) • Router (See Router on page 62.) • System (See System on page 65.) •... -
Page 67: Wi-Fi
Wi-Fi The Broadcast Network Name (SSID) check box enables or disables the SSID broadcast feature. If this is enabled (checked), MiFi 4620L's wireless network appears in the Available Wireless • Networks list on your computer or portable device. If this is disabled (un-checked), the MiFi 4620L is not listed and its network name (SSID) must •... -
Page 68: Gps Over Wi-Fi
GPS Over Wi-Fi The GPS over Wi-Fi (NMEA) check box enables or disables the GPS Wi-Fi feature. To set-up GPS over Wi-Fi, follow these steps: ➊ Check the box GPS over Wi-Fi (NMEA). ➋ Click OK to accept the Location Based Services Agreement. ➌... - Page 69 ➎ After the device driver is installed, open your GPS client software program and follow the configuration instructions. ➏ Start your GPS client software application. To set-up GPS using a USB cable, follow these steps: ➊ Check the box GPS over Wi-Fi (NMEA). ➋...
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Page 70: System
System The Automatic Shutdown menu changes the amount of time that expires before the device automatically shuts down. The Turn Off Display menu changes the amount of time that expires before the display turns off. The Enable Logs check box enables or disables the System log feature. If this is enabled (checked), you can view the system log on the Diagnostics screen. -
Page 71: Diagnostics
Diagnostics The Diagnostics screen shows information about the MiFi 4620L firmware and other system-level information. You can also view the system log. This screen is used mostly for troubleshooting and is not required for normal operation. The Diagnostics screen has the following sections: Modem (See Modem on page 67.) -
Page 72: Modem
Modem The Modem section has the following: MEID — The Mobile Equipment Identifier (MEID) is used by the mobile data network to • identify this particular modem. Phone Number (MDN) — The Phone Number or Mobile Directory Number (MDN) is used by •... -
Page 73: Network (Lte)
4G Network (LTE) The 4G Network (LTE) section has the following: Status — Status of the network (Disabled, Not available, or Available). • Network Operator — The vendor that currently provides wireless access. • RSSI — Indicates the signal strength for LTE. •... -
Page 74: Network (Gsm/Wcdma)
3G Network (GSM/WCDMA) The 3G Network (GSM/WCDMA) section has the following: Status — Status of the network (Disabled, Not available, or Available). • Technology — The type of technology used to connect to the Internet. • Network Operator — The vendor that currently provides wireless access. •... -
Page 75: Port Forwarding
Port Forwarding The Port Forwarding feature allows incoming traffic (from the Internet) to be forwarded to a particular computer or device on the MiFi 4620L's wireless network. Normally, incoming traffic from the Internet is blocked. You need to use Port Forwarding to allow Internet users to access any server you are running on your computer, such as a Web server, FTP server, or E-mail server. -
Page 76: Port Forwarding
Port Forwarding The Port Forwarding feature forwards incoming traffic from the internet to a particular connected device. To use any of the common server applications listed, follow these steps: ➊ Select the Enable Port Forwarding check box. ➋ On the Port Forwarding section of the Port Forwarding screen, type the computer's IP Address in the IP Address of Connected Device field beside the Application name. -
Page 77: Custom Applications
Custom Applications This page is not available unless the Port Forwarding feature is enabled. Click Custom Applications to open the Custom Port Forwarding screen. You can define and enable custom Port Forwarding applications. You need to know details of the traffic used and generated by the applications you wish to define. -
Page 78: Dmz
The DMZ feature forwards incoming traffic which would otherwise be blocked to the DMZ device. To use this feature, follow these steps: ➊ Select the Enable DMZ check box. ➋ On the DMZ section of the Port Forwarding screen, type the computer's IP Address in the IP Address of Connected Device field. -
Page 79: Troubleshooting
Troubleshooting Overview Common Problems and Solutions Technical Support... -
Page 80: Overview
Overview When properly installed, the MiFi 4620L is a highly reliable product. Most problems are caused by one of these issues: System resources required by the device are being used by other devices. • Network coverage is unavailable due to coverage area, an account problem, or a network •... -
Page 81: Common Problems And Solutions
Common Problems and Solutions The following are some common problems and solutions. My MiFi 4620L just powered off without my pressing the power button. Why? This may occur under any of the following circumstances. Pressing the Master Reset button • Restarting the device •... - Page 82 How do I reset the Access Point and Router settings back to factory settings? To reset the access point and router settings, follow these steps. ➊ Connect to MiFi Settings by connecting your computer to the MiFi wireless network and going to http://admin.mifi http://192.168.1.1...
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Page 83: Technical Support
Technical Support IMPORTANT Before contacting support, be sure to re-start both your computer and the device. Technical Support For additional information and technical support for Novatel Wireless devices, you can visit the Novatel Wireless Data Technical Support page at www.novatelwireless.com/support. -
Page 84: Product Specifications And Regulatory Information
Product Specifications and Regulatory Information Product Specifications Regulatory Statements Wireless Communications Limited Warranty and Liability Safety Hazards Proper Battery Use and Disposal... -
Page 85: Product Specifications
Product Specifications General Name: Verizon MiFi 4620L Jetpack Model: MiFi 4620L Approvals: FCC (North America) Weight: 85 g / 3 oz Dimensions: 95 mm x 60 mm x 14 mm, 3.76 in x 2.36 in x 0.53 in Wireless Network – Tri Mode:... -
Page 86: Regulatory Statements
Regulatory Statements Federal Communications Commission Notice (FCC – United States) Electronic devices, including computers and wireless modems, generate RF energy incidental to their intended function and are therefore subject to FCC rules and regulations. This equipment has been tested to, and found to be within the acceptable limits for a Class B digital device, pursuant to part 15 of the FCC Rules. - Page 87 RF Exposure Content FCC Equipment Authorization ID: PKRNVWMIFI4620 This device is authorized for use in mobile and portable applications. This product has been evaluated for SAR and meets the FCC Guidelines for exposure to radio waves. For better signal reception, coverage range and data throughput, do not place the router near any physical obstruction, including in a pocket or in close proximity of any object.
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Page 88: Wireless Communications
Wireless Communications IMPORTANT Due to the transmission and reception properties of wireless communications, data occasionally can be lost or delayed. This can be due to the variation in radio signal strength that results from changes in the characteristics of the radio transmission path. Although data loss is rare, the environment where you operate the modem might adversely affect communications. -
Page 89: Safety Hazards
Safety Hazards Do not operate the MiFi 4620L device in an environment that might be susceptible to radio interference resulting in danger, specifically: Areas where prohibited by the law Follow any special rules and regulations and obey all signs and notices. Always turn off the host device when instructed to do so, or when you suspect that it might cause interference or danger. - Page 90 Electrostatic discharge (ESD) Electrical and electronic devices are sensitive to electrostatic discharge (ESD). Macintosh native connection software might attempt to reinitialize the device should a substantial electrostatic discharge reset the device. If the software is not operational after an ESD occurrence, then restart your computer.
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Page 91: Proper Battery Use And Disposal
Proper Battery Use and Disposal IMPORTANT In event of a battery leak: • Do not allow the liquid to come in contact with the skin or the eyes. If contact has been made, wash the affected area with large amounts of water and seek medical advice. • Seek medical advice immediately if a battery has been swallowed. -
Page 92: Glossary
Glossary... - Page 93 Glossary ● 3G — Third Generation. 3G refers to the third generation of mobile telephony technology. ● 4G LTE — Fourth Generation. 4G LTE refers to the fourth generation of mobile telephony technology. ● 802.11 (b, g, n) — A set of WLAN communication standards in the 2.4, 3.6 and 5 GHz frequency bands. ●...
- Page 94 ● IP Type — The type of service provided over a network. ● IP address — Internet Protocol address. The address of a device attached to an IP network (TCP/IP network). ● ISP — Internet Service Provider. Also referred to as the service carrier, an ISP provides Internet connection service.
- Page 95 ● SSID — Service Set IDentifier. The name assigned to a Wi-Fi network. ● TCP/IP — Transmission Control Protocol/Internet Protocol. The set of communications protocols used for the Internet and other similar networks. ● USB — Universal Serial Bus. A connection type for computing device peripherals such as a printer, mobile modem, etc.