User's Guide

LM940 HW Design Guide

1VV0301352 Rev. 2 Page 47 of 68 2017-07-19

NOTE – Please refer to the LM940 AT Commands Reference Guide,

80545ST10791A for detailed information about GNSS operating

modes and GNSS Antenna selection.

Antenna connection

7.5.1. Antenna Connector

The LM940 is equipped with a set of 50 Ω RF U.FL. connectors from Hirose U.FL-R-SMT-

1(10).

The available connectors are:

 Main RF antenna: TX/RX path

 Auxiliary RF antenna: Combined Diversity and GNSS

 GNSS RF antenna: Dedicated GNSS

See the picture on the below for their position on the interface.