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Telit Wireless Solutions LE910C1-NS Hw Design Guide

Telit Wireless Solutions LE910C1-NS
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LE910Cx mPCIe Hardware Design Guide
1VV0301510 Rev. 13 Page 50 of 73 2021-07-07
Not Subject to NDA
7.3.4.1. Combined GNSS Antenna
The use of a combined RF/GNSS antenna is NOT recommended. This solution can
generate an extremely poor GNSS reception. Furthermore, the combination of antennas
requires an additional diplexer, which adds a significant power loss in the RF path.
7.3.4.2. Linear and Patch GNSS Antenna
Using this type of antenna introduces at least 3 dB of loss compared to a circularly
polarized (CP) antenna. Having a spherical gain response instead of a hemispherical gain
response can aggravate the multipath behavior and create poor position accuracy.
Note
: It is recommended to add a DC block to the customer’s GPS
application to prevent damage to the LE910Cx-mPCIe module due to
unwanted DC voltage.
Note
: If GNSS is not used/connected, perfectly disable the GNSS
functionality using the AT$GPSP command (refer to 80490ST10778A
LE920x4/LE910Cx AT Command User Guide) and connect the GNSS
ANT Connector to a 50 Ohm termination or floating.
Note
: Please refer to the Module’s Hardware User Guide for detailed
information about GPS operating modes and RF signal requirements.

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Telit Wireless Solutions LE910C1-NS Specifications

General IconGeneral
BrandTelit Wireless Solutions
ModelLE910C1-NS
CategoryControl Unit
LanguageEnglish

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