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Summary of Contents for Microhard Systems pMXDDL2450
- Page 1 Operating Manual pMXDDL2450 2X2 MIMO 2.4 GHz OEM DDL Module (1W) Revision 0.26 October 3, 2022 Microhard Systems Inc. www.microhardcorp.com...
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Page 2: Warranty
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.
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Page 4: Pmxddl2450 Exigences Réglementaires
. WARNING: Les changements ou modifications non expressément approuvés par Microhard Systems Inc. pourraient annuler l'autorité de l'utilisateur à utiliser l'équipement . Ce dispositif a été testé avec MCX et connecteurs SMA à polarité inverse sur les antennes répertoriées à... - Page 5 Co-Location with Cellular Modems Co-location MPE conditions of EUT with 2.5 dBi dipole and LTE module were evaluated at 38 cm distance. The following were evaluated for mobile configurations: 1) EUT with 2.5 dBi dipole antenna co-located with LTE Data Card Module (FCC ID: XMR201808EC25AF, IC: 10224A-2018EC25AF) 2) EUT with 2.5 dBi dipole antenna co- located with LTE Data Card Module (FCC ID: XMR201903EG25G, IC: 10224A-201903EG25G)
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Page 6: Table Of Contents
Contents Warranty ..................................ii Proprietary Rights ................................. ii pMXDDL2450 Regulatory Requirements ........................ iii pMXDDL2450 Exigences Réglementaires.........................iv Co-Location Instructions ............................... v GENERAL ................................1 ................................ 1 RODUCT VERVIEW ..............................2 UTPUT OWER EVEL INSTALLATION ..............................3 ..................................3 VERVIEW ............................3... -
Page 7: General
The small-size and superior RF performance of this module make it ideal for many applications. While a pair of pMXDDL2450 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” and “repeater”... -
Page 8: Output Power Level
While the typical application for the pMXDDL2450 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
Receiver gain (Receiving antenna gain minus cabling loss between the receiving antenna and the module) Receiver sensitivity (Specified as -108dBm on the pMXDDL2450 module) In the following illustration, the transmitting antenna has a gain of 6 dB, and the receiving antenna has a gain of 3 dB. - Page 10 Figure 1 Gain Calculation The power level has been set to 30dBm (1W) on the transmitter, and the receiver sensitivity for the pMXDDL2450 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 pMXDDL2450 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
N-female. other antenna or transmitter. External Filter Although the pMXDDL2450 is capable of filtering out RF noise in most environments, there are circumstances that require external filtering. Paging towers and cellular base stations in close proximity to the WARNING: pMXDDL2450 antenna can desensitize the receiver. - Page 13 Appendix A. antenna with appropriate gain. See appendix A for a list of approved antennas that can be used with the pMXDDL2450 radio modem. If you require another type of WARNING: antenna please contact Microhard Systems Inc. The pMXDDL2450 Be careful with dBi vs dBd gains CANNOT be used with any antenna that does not appear in Appendix on antenna specifications.
- Page 14 Operating Manual...
- Page 15 What is the maximum power the pMXDDL2450 can be set to comply with FCC and IC given the following equipment given a Omni Ant Gain Examples: 6dBd and cable and connector loss of 2.5 dB? Industry Canada Max EIRP 36dBm Regulations allow up to 36dBm Max TX power = EIRP –...
- Page 16 Le présent émetteur radio ( IC : 3143A-PMXDDL2450) a été approuvé par Innovation, Sciences et Développement économique Canada pour fonctionner avec les types d'antenne énumérés ci‑dessous et ayant un gain admissible maximal.
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