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Chapter 9 – SocketModem CDMA (MTSMC-C)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342D) 123
Application Notes
Flashing LED Interface
The flashing LED signal is used to indicate the working mode of the SocketModem.
LED and SocketModem Status
Signal SocketModem Status
OFF Download mode or switched OFF>
Continuously lit Switched ON (not registered on the network) ON
Flashing Switched ON (registered on the network)
RF Interface
Radio Characteristics
CDMA 800 CDMA 1900
Frequency RX
869 to 894 MHz 1930 to 1990 MHz
Frequency TX
824 to 849 MHz 1850 to 1910 MHz
Impedance
50 ohms
VSWR
<2
Typical Radiated Gain
0 dBi in at least one direction
RF Connector
The RF connector is MMCX standard type. An antenna can be directly connected through the mating
connector or using a small adapter.