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GSM0128IG001
28
Revision Draft – 9/22/08
6.7.2 RF
Connector
The Enabler IIG utilizes an Miniature Coaxial Interconnect from Sunridge (MCB-ST-00T) as the on-board
antenna connector. A compatible mating connector is the Sunridge MCB2-xx-xx-xxx-x series component.
The cable assembly is made to order. Maximum stack height of cable connector and PCB connector is 2.0
mm.
6.8 Control Connector Signal Descriptions and Functions
6.8.1 Input
Power
The Enfora Enabler IIG module uses a single voltage source of VCC=+3.3V to 4.5V. (exact values of the
uplink currents are shown in Tables5.3.1 GSM Operating Power and 5.3.2 GPRS Operating Power). The
V
CC
lines (pins 1 to 6) should be connected on the application board.
!
The uplink burst will cause strong ripple on the voltage
lines and should be effectively filtered. It is recommended
that 1000 to 2000 uF of capacitance be placed as close to
the modem I/O connector as possible.
It should be noted that the input voltage level should not
drop below the minimum voltage rating under any
circumstances, especially during the uplink burst period.