User's Guide

GSM/EDGE Dual Amplifier Booster Combiner
CCI Model Number DAC-1819-125-G2
USER’S GUIDE
Product Description:
DAC-1819-125-G2 Dual Amplifier Booster/ Combiner:
The CCI GSM Dual Amplifier-Booster Combiner Module (DAC) consists of two linear
power amplifiers with intermodulation level control circuitry, each capable of
generating a 125 Watt GSM/EDGE signal. The Dual Amplifier-Combiner Module
(DAC) contains a passive hybrid combiner at the output which combines both signals
to provide two 60 Watt GSM/EDGE signals on a common output.
Operation Description:
The DAC-1819-125-G2 Dual Amplifier Booster/ Combiner is designed to supply a
nominal output power level of 60 Watts (48 dBm) per channel. Although the gain of
the Dual Amplifier Booster/ Combiner is fixed, the output can be adjusted by setting
the input power level.
Operation and Installation Instructions:
The following instructions should be followed when installing the unit in service:
• Apply a 26-30VDC input voltage to the DC Input connector of the Dual
Amplifier-Booster/Combiner Module.
• Insure that the DC Source is capable of delivering up to 30 Amps at 28VDC.
• Apply a GSM/EDGE signal of up to +41dBm to each RF input port of the Dual
Amplifier-Booster/Combiner Module.
NOTE: When operated with GSM or EDGE modulation on channels 1930.2
MHz and 1989.8 MHz the rf input level must be adjusted such that the rf output
power does not exceed 2 watts (+33 dBm).
• The Dual Amplifier-Booster/Combiner Module will provide approximately 7dB
or less of RF Gain.
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