Fibocom L831-EAU-01 - Radio Frequency; RF Interface; RF Interface Functionality; RF Connector Characteristic

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L831-EAU-01 Hardware User Manual Page
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4 Radio Frequency
4.1 RF Interface
4.1.1 RF Interface Functionality
The L831-EAU module supports two RF connectors used for external antenna connection. As the Figure
4-1 shows, “Main” is for Main antenna, used to receive and transmit RF signals; “AUX” is for Diversity
(GNSS) antenna, used to receive diversity RF.
Figure 4-1 RF connectors
4.1.2 RF Connector Characteristic
Rated Condition
Environment Condition
Frequency Range
DC to 6GHz
Temperature Range
Characteristic Impedance
50Ω
–40°C to +85°C
4.1.3 RF Connector Dimension
The L831-EAU module adopts standard M.2 module RF connectors, and the connector size is 2*2*0.6m.
The connector dimension is shown as following picture: