User Manual

3. ANTENNA CONNECTOR

LZT 123 7263 R1A

3. Antenna Connector

The module’s antenna connector allows transmission of the radio

frequency (RF) signals from the module to an external customer-

supplied antenna. The connector is a micro-miniature coaxial MMCX

surface mounted component. A number of suitable MMCX type,

mating plugs are available from the following manufacturers;

• Amphenol;

• Suhner;

• IMS Connector Systems.

The electrical characteristics of the antenna interface are shown below.

Parameter Limit Description

Nominal impedance 50Ω (better than 2:1)

Output Power

2 Watt peak (Class 4) Extended GSM900

1 Watt peak (Class 1) GSM1800

Static Sensitivity

Better than –104dBm Extended GSM900

Better than –102dBm GSM1800