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FM350-GL Hardware Guide
Page 36 of 59
4 Radio Frequency
4.1
RF Interface
RF Interface Functionality
The FM350 module supports four RF connectors used for external antenna connection. As the Figure 4-
1 shows, “M” is for Main antenna, used to receive and transmit RF signals, “D/G” is for Diversity antenna,
used to receive the diversity RF signals. “M1” and “M2” are used for supporting 4x4 MIMO data transfer.
Figure 4-1 RF connectors
RF Connector Characteristic
Rated Condition
Environment Condition
Frequency Range
DC~6GHz
Temperature Range:
–40°C~+85°C
Characteristic Impedance
50Ω