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Summary of Contents for Microhard Systems n920X2
- Page 1 Operating Manual n920X2 900 MHz Spread Spectrum OEM Transceiver Revision 0.30 January 22, 2019 www.microhardcorp.com...
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Page 2: Indemnification
Warranty Microhard Systems Inc. warrants that each product will be free of defects in material and workmanship for a period of one (1) year for its products. The warranty commences on the date the product is shipped by Microhard Systems Inc. Microhard Systems Inc.’s sole liability and responsibility under this warranty is to repair or replace any product which is returned to it by the Buyer... -
Page 3: N920X2 Regulatory Requirements
WARNING: Changes or modifications not expressly approved by Microhard Systems Inc. could void the user’s authority to operate the equipment. This device has been tested with MMCX connectors with the antennas listed in Appendix A When integrated in OEM products, fixed antennas require installation preventing end-users from replacing them with non-approved antennas. -
Page 4: Co-Location With Cellular Modems
3) EUT with 3 dBi dipole antenna co- located with LTE Data Module SARA-R410M ( FCC ID XPY2AGQN4NNN, IC 8595A-2AGQN4NNN) 4) EUT with 3 dBi dipole antenna co- located with LTE Data Module LE910-NA-V2 ( FCC ID RI7LE910NAV2, IC 5131A-LE910NAV2 ) N920X2 Operating Manual... -
Page 5: Table Of Contents
Contents Indemnification ..................................ii Proprietary Rights ..............................ii n920X2 Regulatory Requirements ........................iii Co-Location with Cellular Modems ........................iv CONTENTS ................................V GENERAL ................................1 ................................ 1 RODUCT VERVIEW ..............................2 UTPUT OWER EVEL INSTALLATION ..............................3 ..................................3 VERVIEW ............................3... -
Page 7: General
◼ ease of installation and use – the n920X2 module uses a subset of standard AT style commands, very similar to those used by traditional telephone line modems. -
Page 8: Output Power Level
While the typical application for the n920X2 is to provide a short- to mid- range wireless communications link between DTEs, it can be adapted to almost any situation where an asynchronous serial interface is used and data intercommunication is required. -
Page 9: Installation
3. Installation 3.0 Overview The n920X2 complies with FCC part 15 at the modular level for operation in the license-free 902-928 MHz ISM band. This chapter provides guidelines for installing and deploying equipment which incorporates the n920X2 module. 3.1 Estimating the Gain Margin... - Page 10 Figure 1 Gain Calculation The power level has been set to 30dBm (1W) on the transmitter, and the receiver sensitivity for the n920X2 is -108dBm. System gain would be calculated to be: 30 - 2 + 6 + 3 - 2 + 108 = 143 dB.
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Page 11: Antennas And Cabling
-95dBm. 3.2 Antennas and Cabling This section describes the recommended procedure for installing cabling and antennas for use with the n920X2 module. 3.2.1 Internal Cabling The most common method for installing the module is to run a cable from the module’s MCX connector to a reverse TNC bulkhead connector on the... -
Page 12: Installing External Cables, Antennas And Lightning Arrestors
Typically, both ports on surge arrestors are N-female. External Filter Although the n920X2 is capable of filtering out RF noise in most WARNING: environments, there are circumstances that require external filtering. Paging towers and cellular base stations in close proximity to the n920X2 Direct human contact with the antenna can desensitize the receiver. - Page 13 See appendix A for a list of approved antennas that can be used with the n920X2 radio modem. If you require another type of antenna WARNING: please contact Microhard Systems Inc. The n920X2 CANNOT be used Be careful with dBi vs dBd gains with any antenna that does not appear in Appendix A.
- Page 14 36dBm with respect to the isotropic radiator. Example 1) What is the maximum power the n920X2 can be set to comply with FCC and IC given the following equipment given a Rubber Ducky Ant Gain 2dBi and no cable or connectors in the system? Max EIRP 36dBm Max TX power = EIRP –...
- Page 15 6dBd, 900 MHz Omni Directional Antenna Bluewave, RPTNC Pigtail WARNING: Changes or modifications not expressly approved by Microhard Systems Inc. could void the user’s authority to operate the equipment. This device has been tested with MMCX connectors with the antennas listed in Appendix A When integrated in OEM products, fixed antennas require installation preventing end-users from replacing them with non- approved antennas.
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