Specifications

WM_PRJ_Q2501_PTS_001 – 003

March 2004

Page: 25 / 93

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1.8 GPS active antenna management

Wismo Quik Q2501 module can manage a GPS active antenna in both default

RF connection and Single Coax mode. This function can be useful to protect the

module power supply.

Active antenna management is in charge of the GSM baseband and is based on

a current consumption monitoring:

• Connected: current consumption is within the limits

• Short circuit: antenna current consumption over the upper limit; the

antenna is automatically disconnected to protect power supply.

• Open circuit: the antenna current consumption is below the lower limit.

This information is not available in Single Coax configuration.

Specific AT commands are available in both internal and external for this

function (see [5] for details).