Duplexer TMA (tower mounted amplifier) of GSM800/1800, CDMA, CDMA450M Today we draw your attention to our GSM Duplexer TMA . *Specification 1)Frequency Range: Uplink 890~915MHz Downlink 935~960MHz 2)Output Power: >200W 3)Gain: >15dB 4)Noise Figure: <5dB 5)Dimension: 71mm*48.5mm*33.5cm 6)Power Supply: AC220, 45-55Hz