User's Manual

GSM Dual Amplifier Booster/ Combiner
CCI Model Number DAB-1819 & DAC-1819
USER’S GUIDE
Product Description:
DAB-1819 & DAC-1819 Dual Amplifier Booster/ Combiner:
The CCI GSM Dual Amplifier-Booster Module (DAB) consists of two linear power
amplifiers with intermodulation level control circuitry, each capable of generating a
70-75 Watt GSM signal. The Dual Amplifier-Combiner Module (DAC) is identical to
the DAB Module with the exception of a passive hybrid combiner at the output which
combines both signals to provide two 35-37 Watt GSM signals on a common output.
Operation Description:
The DAC-1819 and DAB-1819 Dual Amplifier Booster/ Combiner is designed to
supply a nominal output power level of 48.5 dBm when used in the uncombined
mode. 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 26-28VDC 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 15 Amps at 28VDC.
• Apply a GSM signal of up to +41dBm to each RF input port of the Dual
Amplifier-Booster/Combiner Module.
• The Dual Amplifier-Booster/Combiner Module will provide approximately
7.5dB or less of RF Gain.
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