IMPROVED CHANNEL BOOSTER AMPLIFIER

摘要

An improved filter amplifier for wireless communication is provided. The filter amplifier comprises a talk-in and talk-out booster. The booster utilizes a single local oscillator to down-convert a received signal for filtering and up-convert the received signal for further amplification. A combining unit including amplifier and amplify and combine the signal. The use of isolators allows for combining signals without interference. The booster amplifier filter unit is designed for use in low reception areas including tunnels and office buildings.