LTE-A  Module  Series 
EM06  Series  Hardware  Design 
EM06_Series_Hardware_Design  44  / 69 
5 Antenna Connection
The EM06 series module is mounted with three 2 mm  ×  2 mm antenna connectors (receptacles) for 
external antenna connection: a Main antenna connector, a Rx-diversity antenna connector which is used 
to resist the fall of signals caused by high speed movement and multipath effect, and a GNSS antenna 
connector. The impedance of the antenna connectors is 50 Ω.   
5.1. Main/Rx-diversity/GNSS Antenna Connectors 
5.1.1.  Antenna Connectors 
The Main, Rx-diversity and GNSS antenna connectors are shown as below. 
Figure 25: Antenna Connectors on the Module