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Summary of Contents for Microhard Systems n920T 2020
- Page 1 Operating Manual n920T 2020 n920T 2020 900MHz OEM Frequency Hopping/DTS Module Revision 0.30, May 29, 2020 Microhard www.microhardcorp.com...
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Page 2: Proprietary Rights
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 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 UFL to Reverse Polarity SMA 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 EUT with 3 dBi dipole antenna co-located : Associated FCC ID Associated IC ID Test Report Identifiers EM12‐G XMR201901EM12G 10224A‐201901EM12G FA8N2911 L850 ZMOL850GL 21374‐L850GL SA170106C02 SARA‐R410M XPY2AGQN4NNN 8595A‐2AGQN4NNN XPY2AGQN4NNN EG25‐G XMR201903EG25G 10224A‐201903EG25G HR/2019/1001602 n920T 2020 Operating Manual...
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Page 5: Table Of Contents
Contents Warranty ..................................ii Proprietary Rights ................................. ii n920T 2020 Regulatory Requirements ........................iii Co-Location Instructions ............................iiv GENERAL ................................1 ................................ 1 RODUCT VERVIEW ..............................2 UTPUT OWER EVEL INSTALLATION ..............................3 ... -
Page 7: General
The small-size and superior RF performance of this module make it ideal for many applications. While a pair of n920T 2020 modules can link two terminal devices (“point- to-point” operation); multiple modules can be used together to create a network of various topologies, including “point-to-multipoint”... -
Page 8: Output Power Level
While the typical application for the n920T 2020 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 n920T 2020 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 n920T 2020 module. - Page 10 These numbers are real averages taken from rural environments. They do not apply to urban, non-line-of-sight environments. Table 2 Path Loss Distance Base Height Mobile Height Path Loss (km) (dB) 116.5 110.9 124.1 117.7 135.3 128.9 116.2 109.6 122.4 128.8 n920T 2020 Operating Manual...
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Page 11: Antennas And Cabling
3.2 Antennas and Cabling This section describes the recommended procedure for installing cabling and antennas for use with the n920T 2020 module. 3.2.1 Internal Cabling The most common method for installing the module is to run a cable from the module’s UFL connector to a reverse TNC bulkhead connector on the chassis... -
Page 12: Installing External Cables, Antennas And Lightning Arrestors
Typically, both ports on surge any other antenna or transmitter. arrestors are N-female. External Filter Although the n920T 2020 is capable of filtering out RF noise in most WARNING: environments, there are circumstances that require external filtering. Direct human contact with the... - Page 13 See appendix A for a list of approved antennas that can be used with the n920T 2020 radio modem. If you require another type of antenna WARNING: please contact Microhard Systems Inc. The n920T 2020 CANNOT be Be careful with dBi vs dBd gains used 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 n920T 2020 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 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 UFL 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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