Multi-Tech Systems 92U03G23710 User Manual

Chapter 4 - SocketModem Interfaces

RF Interface

The impedance is 50 Ohms nominal.

RF Connector

The RF connector is MMCX standard type. An antenna can be directly connected through the mating
connector or using a small adapter.

RF Performances

RF performances are compliant with the ETSI recommendation 05.05 and 11.10.
The main parameters are:

Receiver Features

EGSM Sensitivity : < -104 dBm

GSM 1800/GSM 1900 Sensitivity : < -102 dBm

Selectivity @ 200 kHz : > +9 dBc

Selectivity @ 400 kHz : > +41 dBc

Dynamic range : 62 dB

Intermodulation : > -43 dBm

Co-channel rejection : + 9 dBc

Transmitter Features

Maximum output power (EGSM) : 33 dBm +/- 2 dB

Maximum output power (DCS/PCS) : 30 dBm +/- 2 dB

Minimum output power (EGSM): 5 dBm +/- 5 dB

Minimum output power (DCS/PCS): 0 dBm +/- 5 dB

H2 level : < -30 dBm

H3 level : < -30 dBm

Noise in 925 - 935 MHz : < -67 dBm

Noise in 935 - 960 MHz : < -79 dBm

Noise in 1805 - 1880 MHz : < -71 dBm

Phase error at peak power : < 5 ° RMS

Frequency error : +/- 0.1 ppm max