System description:Elisra offers a wide varietyof Tower Top Amplifiers (TTAús) in single or duplexed configuration,suitable for CDMA, TDMA and GSM systems, as well as custom tailored solutions.TheElisra Tower Top Amplifier improves overall cellular system sensitivityresulting with the extending of cell site coverage. The Tower Top Amplifierhas a duplexed receive/transmit (RX/TX) path. The duplex path comprisesof a very selective Band Pass Filter / Rx-Tx Duplexer, an Ultra Low NoiseAmplifier with improved intermodulation performances, a Bias Tee for DCcurrent injection and Bypass circuitry for continued operation in the eventof DC power interruption. The units are housed in a weatherproof enclosurefor outdoor installation next to the antenna. |
