Data may be delayed, corrupted (i.e., have errors) or be totally lost. Although significant delays or losses of data are rare when wireless devices such as the Sierra Wireless modem are used in a normal manner with a well-constructed network, the Sierra Wireless modem should not be used in situations where failure to transmit or receive data could result in damage of any kind to the user or any other party, including but not limited to personal injury, death, or loss of property.
Version Date Updates March 15, 2010 Creation Update power consumption values in sections 12.2 GL6100 Power Consumption and 12.3 GL6110 Power Consumption. Updated TBC items throughout the document. Updated Appendix B: Product Labeling. Updated Table 53: Operating Class Temperature Range.
8-pin Micro-Fit Edge..................... 19 3.1.2. DB9 Edge ......................20 3.1.3. 2-pin Micro-Fit Edge..................... 21 3.2. Standard DB9 Cable (for the GL6100) ................ 22 3.3. DC Cable (for the GL6100) ..................23 3.4. AC/DC Adaptor (for the GL6100) ................24 ®...
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6.2.1. 8-pin Micro-Fit Connector ..................37 6.2.1.1. Power Supply Connection ..................40 6.2.1.2. Setup Communications with the GL6100: Main Serial Link Connection (RS-232) ..40 6.2.1.3. Setup Communications with the GL6110: USB Connection ........44 6.2.2. RF Interface ......................44 6.2.2.1.
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Specification and User Guide GL6100 – RS232 Version ................... 57 11.1. 11.1.1. No Communications with the GL6100 through the Serial Link ....... 57 GL6110 – USB Version ....................58 11.2. 11.2.1. No Communications with the GL6110 through the USB ........58 Receiving “ERROR”...
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GL61x0 Plug & Play Modem ..................13 Figure 2. Adaptive Cable Fuse ....................17 Figure 3. Adaptive Cable for the GL6100 ................... 19 Figure 4. 8-pin Micro-Fit Edge of the Adaptive Cable ..............19 Figure 5. DB9 Edge of the Adaptation Cable ................20 Figure 6.
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Supported RF Frequencies ..................29 Table 13: Power Supply Electrical Characteristics ..............30 Table 14: Effects of Power Supply Defect for the GL6100 ............30 Table 15: Effects of Power Supply Defect for the GL6100 ............31 Table 16: Micro-Fit Connector Mechanical Constraints ............... 33 Table 17: FME RF Connector Mechanical Constraints ..............
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Table 39: Requirement of X-modem Downloading for GL61x0 ............ 56 Table 40: No Communications with the GL6100 Through the Serial Link ........57 Table 41: No Communications with the GL6110 Through the USB ..........58 Receiving a “NO CARRIER” Message ................ 59...
Software Suite. The Sierra Wireless Software Suite is the world’s most comprehensive cellular development environment, which allows embedded standard ANSI C applications to be natively executed directly on the Embedded Module. For more information about the Sierra Wireless Software Suite, refer to the documents listed in section 18.1 Sierra Wireless Software Documentation.
GL6100; and USB Power, 5 Volts DC input for the GL6110 1 Watt GSM1800/1900 radio section running with 4.75 ~ 32 Volts DC input for the GL6100; and USB Power , 5 Volts DC input for the GL6110 ...
GL61x0 Product Technical Specification and User Guide Overview 1.5. Interfaces GL6100 – UART Version GL6110 – USB Version Power Supply (4.75V to 32V DC input) Power Supply (USB Power, 5V DC input) Serial Link (RS-232) USB connection 3V/1V8 SIM Interface...
The GL6100 is protected against voltage over +32V. When the input voltage (Vin) exceeds the limit, the supply voltage is disconnected to protect the internal electronic components from overvoltage. Note: An 800mA/250V fuse is directly bonded on the Adaptive cable of GL6100. The fuse model is FSD 800mA/250V FAST-ACTING. Figure 2. Adaptive Cable Fuse GL6110 –...
GL61x0 Feature Set 2.2.3. Main Serial Link and USB Connection Both GL6100 and GL6110 are internally protected against electrostatic surges on its lines by ESD protection and it also has the following filtering guarantees: EMI/RFI protection on both input and output ...
3. GL61x0 Cables and Accessories 3.1. Adaptive Cable (for the GL6100) The adaptive cable provides the serial interface and is used as the power source of the GL6100. It has three edges/plugs. 8-pin Micro-Fit Edge 2-pin Micro-Fit Edge DB9 Edge Figure 3.
GL61x0 Product Technical Specification and User Guide GL61x0 Cables and Accessories Table 5: 8-pin Micro-Fit Connector Pin Description Pin Number Signal Description RS232-CTS Main RS232 Clear To Send RS232- RTS Main RS232 Request To Send RS232-RXD Main RS232 Receive Serial Data RS232-TXD Main RS232 Transmit Serial Data RS232-DTR...
Refer to the following table for the pin description of the 2-pin Micro-Fit Edge of the Adaptive cable. Table 7: 2-pin Micro-Fit Connector Pin Description Pin Number Signal Description Ground Connection For GL6100 – 4.75V to 32V For GL6110 – 5V WA_DEV_GL6100_PTS_001 Rev 002 May 24, 2010...
3.2. Standard DB9 Cable (for the GL6100) This is a standard DB9 to DB9 cable and it comes with the GL6100. Refer to the following figures and table for the pin assignment and pin description of the standard DB9 cable.
3.3. DC Cable (for the GL6100) This cable supplies the power source for the GL6100, and is used with the adaptive cable. Refer to Table 2: GL61x0 Shipment Configuration to see which shipment configuration of the GL6100 comes with this cable.
The AC/DC adaptor is used with the Adaptive cable. It comes with a short-circuit protection adaptor to help protect the GL61x0 from overvoltage and power surges. Refer to Table 2: GL61x0 Shipment Configuration to see which shipment configuration of the GL6100 comes with this cable.
GL61x0 Product Technical Specification and User Guide GL61x0 Cables and Accessories ® 3.5. Micro-fit USB Cable (for the GL6110) The USB cable provides the USB connection and is used as the power source of the GL6110. ® Figure 13. Micro-fit USB Cable ®...
GL61x0 Product Technical Specification and User Guide GL61x0 Cables and Accessories Table 10: USB Pin Assignment Pin Number Signal Description Vbus 5V output from PC Universal Serial Bus Data Negative Universal Serial Bus Data Positive Ground Connection 3.6. FME Antenna Refer to Table 2: GL61x0 Shipment Configuration to see which shipment configuration of the GL61x0 comes with this antenna.
4. Functional Specifications This section discusses the functional specifications of the GL61x0. 4.1. Functional Architecture The global architecture of the GL61x0 is shown in the figures below. 4.1.1. GL6100 Functional Architecture Figure 16. GL6100 Functional Architecture WA_DEV_GL6100_PTS_001 Rev 002 May 24, 2010...
4.3. Operating System The GL61x0 is Sierra Wireless Software Suite compliant. With Sierra Wireless Software Suite, customers can embed their own applications with the GL61x0 and turn it into a solution for their specific market need. The operating system of the GL61x0 is also responsible for the following functions: ...
5.1. Power Supply The GL6100 is supplied by an external DC voltage (Vin) that has a varied range and the GL6110 is supplied by the USB Power, 5V DC. The main regulation is made with an internal DC/DC converter in order to supply all the internal functions with a DC voltage.
GL61x0 Product Technical Specification and User Guide Technical Specifications Table 15: Effects of Power Supply Defect for the GL6100 If the voltage Then Falls below 4.75V GSM communication is not guaranteed. The GL6110’s protection is guaranteed by internal settings. Is over 5V (transient peaks) The GL6110’s protection is done by internal Transil Diode (the...
GL61x0 Product Technical Specification and User Guide 5.2.2. Mechanical Constraints 5.2.2.1. Micro-Fit Connector The following table lists the mechanical constraints that must be taken into account when using the 8- pin Micro-Fit connector. Table 16: Micro-Fit Connector Mechanical Constraints Description Mechanical Limit Notes This is the least amount of force needed...
LED Status Indicator 8-pin Micro-Fit Connector (this interface provides the connection for the following) Power Supply Main Serial Link (RS-232) for the GL6100 or USB connection for the GL6110 RF Interface 6.1. Front Interface LED Status Indicator...
GL61x0 Product Technical Specification and User Guide Interfaces and Peripherals Refer to the following table for the electrical characteristics of the SIM interface. Table 18: SIM Interface Electrical Characteristics Parameter Conditions Minimum Maximum Unit SIM-IO V = ± 20µA 0.7xSIM-VCC SIM-IO V = 1mA SIM-RST, SIM-CLK V...
The Flash LED can be disabled by the user when in Sleep Mode in order to save power consumption. Refer to section 10.1 Enabling/Disabling the Flash LED and document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32) for more information on how to disable the Flash LED using an AT command.
GL61x0 variant. Interchanging the cables between the two GL61x0 variants (that is, using the ® RS-232 cable on the GL6110 or using the Micro-fit USB cable on the GL6100) may damage either the modem or the PC. Figure 22.
GL61x0 Product Technical Specification and User Guide Interfaces and Peripherals Figure 23. Pin Assignment of the 8-pin Micro-Fit Connector on GL61x0 WA_DEV_GL6100_PTS_001 Rev 002 May 24, 2010...
Specification and User Guide Interfaces and Peripherals Refer to the following tables for the pin description of the 8-pin Micro-Fit connector depending on the GL61x0 variant. Table 22: 8-pin Micro-Fit Connector Pin Description for the GL61x0 GL6100 GL6110 Pin # Signal I/O*...
The DC input interface is available from the 8-pin Micro-Fit connector. The input voltage range (Vin) varies depending on the GL61x0 variant. For the GL6100, Vin is from 4.75V to 32V, with a typical operating voltage of 12V. For the GL6110, Vin is 5V.
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Tip: The GL6100 is designed to operate using all serial interface signals and it is recommended to use RS232-RTS and RS232-CTS for hardware flow control in order to avoid data corruption during transmission. Otherwise proper configurations of the pins are required.
GL61x0 Product Technical Specification and User Guide Interfaces and Peripherals Figure 25. Serial Link Implementation for a 5-wire UART 6.2.1.2.1.2. 4-wire Serial Interface RS-232 Implementation The signals used in this implementation are as follows: RS232-TXD RS232-RXD RS232-CTS ...
6.2.1.2.3. Serial Port Auto Shut Down Feature The RS-232 serial link can be shut down when there is no activity between the DTE and the GL6100. This can help improve the power consumption performance. The Serial Port Auto Shut Down feature is controlled by the AT command AT+WASR. Enter: ...
GPIO19 by customers may lead to unexpected behavior on serial port performance. It is prohibited to use the serial port auto shut down feature when the RS232-DTR is not used in the application. Otherwise, there will be data lost from the DTE side to the GL6100. 6.2.1.3.
Both mechanical and electrical antenna adaptations are key issues in the design of a GSM terminal. Sierra Wireless strongly recommends working with an antenna manufacturer to either develop an antenna adapted to the application or to adapt an existing solution to the application.
GL6100, and use the Micro-fit USB cable for the GL6110) to avoid damaging the GL61x0 or the PC. Refer to section 8.7 Main AT Commands for the GL6100 for the list of main AT commands used to configure the GL61x0. Note: For automotive applications, it is recommended to connect the Vin line of the GL61x0 directly to the positive terminal of the battery.
GL61x0 Product Technical Specification and User Guide Using the GL61x0 7.1.1. Inserting the SIM Card In order to insert the SIM card into the GL61x0, follow the procedure shown below. 1. Prepare the SIM card in the correct position as shown in the figure.
GL61x0 Product Technical Specification and User Guide 7.1.2. Extracting the SIM Card In order to extract the SIM card from the GL61x0, follow the procedure shown below. 1. Open the SIM socket flap. 2. Use a tool to further push the SIM card into the SIM holder.
Table 29: Basic AT Commands for the GL61x0 AT Command Description To check if the serial link is OK. The GL6100 will respond with "WAVECOM AT+CGMI MODEM" when it is OK. AT+CPIN=xxxx To enter a PIN code, xxxx (if activated).
Received signal strength is sufficient. 32 – 98 Not defined. No measure available. Refer to document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32) for more information regarding the AT+CSQ AT Command. 8.3. Verifying the Network Registration To check the network registration, make sure that a valid SIM card has been properly inserted into the GL61x0.
When x = 1, the band has been modified since the last boot of the GL61x0, and will have to be reset in order to take the previous modification(s) into account. Refer to document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32) for more information regarding the AT+WMBS AT Command.
When x = 1, the band switch is effective immediately. However, this mode is forbidden while in Connected mode and during the GL61x0’s initialization. Refer to document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32) for more information regarding the AT+WMBS AT Command.
In a machine-to-machine communication with the GL61x0, it is recommended to disable the GL61x0’s echo function (using the ATE0 AT command) in order to avoid useless CPU processing. Refer to document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32) for more information about the ATE0 and ATE1 AT Commands.
9. Using the GL61x0 with Embedded Both GL61x0 variants may be used with either Embedded SIM or an external SIM. This section discusses the different maintenance options available when using the GL61x0 with Embedded SIM. 9.1. Operation Using a communication software such as HyperTerminal, enter AT+CPIN? to check if Embedded SIM is working.
External SIM only +WHCNF: 4,2,0 Internal SIM only The GL61x0 must be rebooted after the switch state update to apply changes made. Note: Only use Sierra Wireless Software Suite 2.3x for the inSIM3 model. WA_DEV_GL6100_PTS_001 Rev 002 May 24, 2010...
10.2. Resetting the GL61x0 Resetting the GL61x0 could be triggered by the AT command AT+CFUN=1, or For GL6100 – RS232, it could be done by unplugging and then re-plugging the power supply (Vin). For GL6110 – USB, disconnect the Modem from the PC USB port.
11.1. GL6100 – RS232 Version 11.1.1. No Communications with the GL6100 through the Serial Link If the GL6100 does not answer to AT commands through the serial link, refer to the table below for possible causes and their corresponding solutions. Table 40:...
The GL61x0 returns an “ERROR” message (in reply to an AT command) in the following cases: The AT command syntax is incorrect. In this case, check the command syntax (refer to document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32) for more information). ...
+CME ERROR: <error result code> +CMS ERROR: <error result code> Refer to document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32) for more information on the error result code description and further details on the AT +CMEE command. Note: It is strongly recommended to always enable the verbose error report method to get the Mobile Equipment error code (enter the AT +CMEE=1 command).
The following sub-sections detail out the power consumption values of the GL61x0 for various modes, RF bands and type of software (with and without a Sierra Wireless Software Suite application). These consumption values were obtained by performing measurements on GL61x0 samples at a temperature of 25°C with the assumption of a 50Ω...
HIGH voltage level. Note: The GL6100 will never enter Sleep Idle mode for as long as the DTR (viewed from the module side) is of HIGH voltage level. This method should be applied if the application needs to forbid entering Sleep Idle mode.
TX = the current peak is the RF transmission burst (Tx burst) RX = the current peak is the RF reception burst (Rx burst) Table 46: Power Consumption without the Sierra Wireless Software Suite (Serial Port Auto Shutdown Mode Enabled); Typical Values av erage...
30dBm) 1800/1900 PCL18 (TX 21.26876 53.172 115.187 191.704 power 0dBm) Table 47: Power Consumption without the Sierra Wireless Software Suite (Serial Port Auto Shutdown Mode Disabled); Typical Values av erage Working Parameters Unit peak Modes Vin = 32V Vin = 12V Vin = 4.75V...
TX = the current peak is the RF transmission burst (Tx burst) RX = the current peak is the RF reception burst (Rx burst) Table 48: Power Consumption without the Sierra Wireless Software Suite; Typical Values Working Modes Parameters Unit...
The GL61x0 consumption specification values are measured for all operating modes available. For more information about switching between the operating modes, refer to the appendix of document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32). Consumption results are highly dependent on the hardware configuration used during measurement and the following sub-sections describe both the hardware and software configuration settings that should be used to obtain optimum consumption measurements.
A description of the operating modes and the procedures used to change operating modes are given in the appendix of document [7] Firmware 7.42 AT Commands Manual (Sierra Wireless Software Suite 2.32). Refer to the following list for the available operating modes of the GL61x0: ...
GL61x0 Product Technical Specification and User Guide Power Consumption 12.4.2.2. Equipment Configuration The communication tester is set according to the GL61x0 operating mode. Paging during idle modes, Tx burst power, RF band and GSM/DCS/GPRS may be selected on the communication tester. Refer to the following table for the network analyzer configuration according to operating mode.
13. Reliability Standards: Compliance and Recommendations 13.1. Reliability Compliance The GL61x0 is compliant with the following requirements: Table 51: Standards Conformity for the GL61x0 Abbreviation Definition International Electro technical Commission International Organization for Standardization 13.2. Applicable Standards Listing The table hereafter gives the basic list of standards applicable to the GL61x0. Note: References to any features can be found from these standards.
GL61x0 Product Technical Reliability Standards: Compliance and Specification and User Guide Recommendations Current Document Title Version Environmental testing - part 2-38: Test Z/AD: composite IEC60068238 temperature/humidity cyclic test. Basic environmental testing procedures - part 2: Test Z/AM combined IEC60068240 1.0 w/A1 cold/low air pressure tests.
GL61x0 Product Technical Reliability Standards: Compliance and Specification and User Guide Recommendations 13.3.1. Function Status Classification The classes reported below comply with the Annex “ISO Failure Mode Severity Classification”, ISO Standard 7637, and Section 1. The word “function” used here only concerns the function performed by the GL61x0. Note: Table 54: ISO Failure Mode Severity Classification...
GL61x0 Product Technical Reliability Standards: Compliance and Specification and User Guide Recommendations Table 56: Environmental Resistance Stress Test Designation Condition Standard: IEC 680068-2-1, Test Ab Cold Test Special conditions: Temperature: -40°C Rate of temperature change: dT/dt >= ± 3°C/min ...
GL61x0 Product Technical Reliability Standards: Compliance and Specification and User Guide Recommendations Designation Condition TSKT Special conditions: Upper temperature: +85°C Lower temperature: -40°C Rate of temperature change: 30s Number of cycles: 200 Duration of exposure: 30 minutes ...
GL61x0 Product Technical Reliability Standards: Compliance and Specification and User Guide Recommendations Designation Condition Duration: 16 hours Standard: IEC 60068-2-27, Test Ea Special conditions: Shock Test 1: Wave form: Half sine Peak acceleration: 30G Duration: 11ms Mechanical Shock Test ...
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GL61x0 Product Technical Reliability Standards: Compliance and Specification and User Guide Recommendations Designation Condition Special conditions: SIM Connector: Cycles : 40 Repetition Rate : 3s per cycle Objective : Mating and de-mating System Connector: Cycles : 40 ...
14. Recommendations When Using the GL61x0 on Trucks Caution: The power supply connection of the GL61x0 must never be directly connected to the truck battery. For the GL6110 – USB, it should connect to the USB port of the Car PC accordingly. 14.1.
GL61x0 Product Technical Recommendations When Using the Specification and User Guide GL61x0 on Trucks 14.2. Technical Constraints on Trucks It is highly recommended to directly connect the power supply on the circuit breaker rather than on the battery. The GL61x0 may be damaged when starting the truck if the circuit breaker is switched OFF (in this case, the truck ground and the battery ground will be connected through the GL61x0 as shown in the following figure).
15. Certification Compliance and Recommended Standards 15.1. Certification Compliance The GL61x0 is compliant with the following requirements. Table 61: Standards Conformity for the GL61x0 Domain Applicable Standard Safety standard EN 60950-1 (ed.2006) Health standard (EMF Exposure Evaluation) EN 62311 (ed. 2008) Efficient use of the radio frequency spectrum EN 301 511 (V 9.0.2) EN 301 489-1 (v1.8.1)
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GL61x0 Product Technical Certification Compliance and Specification and User Guide Recommended Standards Document Current Title Version and reception (FDD); Part 1: Conformance specification 3rd Generation Partnership Project; Technical Specification Group Radio Access Network User Equipment (UE) conformance specification; Radio transmission TS 34.121-2 8.5.0 and reception (FDD);...
16. Embedded Peripherals This section enumerates the peripherals embedded within the GL61x0. 16.1. I/O Connector The I/O connector applied on board is an 8-pin Micro-Fit connector. The connector information is listed in the table below. Table 63: 8-pin Micro-Fit Connector Supplier Description Vendor Part...
17. Recommended Connectors This section lists the recommended connectors to use with the GL61x0. 17.1. GSM Antenna GSM antennas and support for antenna adaptation can be obtained from manufacturers such as: ALLGON (http://www.allgon.com) HIRSCHMANN (http://www.hirschmann.com/) GiGa Concept (http://www.gigaconcept.com/) WA_DEV_GL6100_PTS_001 Rev 002 May 24, 2010...
For more details, several reference documents can be consulted. The Sierra Wireless documents referenced herein are provided in the Sierra Wireless documentation package; however, the general reference documents which are not Sierra Wireless owned are not provided in the documentation package.
GL61x0 Product Technical Specification and User Guide Reference Documents 18.3. Other Related Documentation AirPrime WMP100/150 Product Technical Specification and Customer Design Guideline Reference: WM_DEV_WMP150_PTS_002 [10] AirLink GL61x0 Cable Specifications Reference: WA_DEV_GL61x0_PTS_002 18.4. General Reference Documentation [11] “I C Bus Specification”, Version 2.0, Philips Semiconductor 1998 [12] ISO 7816-3 Standard WA_DEV_GL6100_PTS_001 Rev 002...
19. List of Abbreviations Abbreviation Definition Alternative Current Analog to Digital Converter Analog to Digital conversion Audio-Frequency ATtention (prefix for modem commands) AUXiliary Controller Area Network Cell Broadcast Circular Error Probable CLocK CMOS Complementary Metal Oxide Semiconductor Coding Scheme Clear To Send Digital to Analogue Converter Decibel Direct Current...
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GL61x0 Product Technical Specification and User Guide List of Abbreviations Abbreviation Definition Half Rate Input / Output JTAG Joint Test Action Group Light Emitting Diode Low Noise Amplifier MAXimum MICrophone MINimum Multimedia Message Service Mobile Originated Mobile Terminated Not Applicable Noise Factor NMEA National Marine Electronics Association...
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GL61x0 Product Technical Specification and User Guide List of Abbreviations Abbreviation Definition To Be Confirmed TDMA Time Division Multiple Access Test Point Transient Voltage Suppressor Transmit TYPical UART Universal Asynchronous Receiver-Transmitter Universal Serial Bus USSD Unstructured Supplementary Services Data VSWR Voltage Standing Wave Ratio Wireless MicroProcessor WA_DEV_GL6100_PTS_001...
20. Appendix A: Packaging The GL61x0 comes in three package variants. 20.1. GL6100 2-Cable Package (antenna not included) The GL6100 2-cable package contains the following items: 1. GL6100 2. Adaptive Cable 3. DC Cable GL6100 Adaptive Cable DC Cable WA_DEV_GL6100_PTS_001...
21.1. Model and MSN Label The Model and MSN Label provides the following information: Product name GL6100 RS232 GL6100 RS232 ESIM GL6110 USB GL6110 USB ESIM CE marking with certification number (in this case, CE0682) ...
FCC ID IC ID CMIID ID Company name (Sierra Wireless Asia Pacific) Operator name (only applicable for GL61x0 variants with Embedded SIM) Figure 33. GL61x0 IMEI and Approval Label WA_DEV_GL6100_PTS_001 Rev 002 May 24, 2010...
22. Appendix C: Safety Recommendations (for Information Only) For the efficient and safe operation of your GSM device, please read the following information carefully. 22.1. RF Safety 22.1.1. General Your GSM terminal is based on the GSM standard for cellular technology. The GSM standard is spread all over the world.
GL61x0 Product Technical Appendix C: Safety Recommendations Specification and User Guide (for Information Only) see if you may change the antenna yourself. If so, use only a manufacturer-approved antenna. Otherwise, have your antenna repaired by a qualified technician. Use only the supplied or approved antenna. Unauthorized antennas, modifications or attachments could damage the terminal and may contravene local RF emission regulations or invalidate type approval.
GL61x0 Product Technical Appendix C: Safety Recommendations Specification and User Guide (for Information Only) 22.2.6. Children Do not allow children to play with your GSM terminal. It is not a toy. Children could hurt themselves or others (by poking themselves or others in the eye with the antenna, for example). Children could damage the modem, or make calls that increase your modem bills.