Tower Repeater(GSM TMB)

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GSM TMB technique performance Function: Effective enlarge different kind of BTS coverage areas. Effective increase traffic,improve economic benefit. Reduce mobile phone transemission power Solve mobile phone ramble in boundary. Improve mobile phone transmission quality. Specification: aluminium alloy case,waterproof and dustproof. high linear, large power amplifier (150), large redundancy and highly reliability. 1dB Output power adjustable step. adopting led display, displaying the power and current when it is normal adopting MCU controlling,auto bypass and highly reliability. Specification: GSM TMB technique performance Frequency Range: Uplink:935MHz - 960MHz; Downlink:890MHz - 915MHz Downlink output power: 50±1 dBm Gain: 10±2dB Downlink adjustable gain: 1dB/7dB Uplink noise figure: ≤1.8 wireless connector spurious emission: ≤-36dBm(9KHz-1GHz) ≤-30dBm (1GHz-12.75GHz) ≤-47dBm (825MHz-835MHz) ≤-47dBm (870MHz-880MHz) ≤-47dBm (1800MHz-1920MHz) ≤-47dBm (3.4GHz-3.52GHz) ≤-98dBm (885MHz-915MHz) Carrier power envelop: accord with the requirements of GSM05.05 Output modulation spectrum with the requirements of GSM05.05 transient handover spectrum with the requirements of GSM05.05) Intermodulation Attenuation: ≥70dBc RMS error: ≤20 Peak value error: ≤50 Frequency error: ≤0.01ppm Trasmission delay: <100ns Passbank ripple: ≤0.5dB Port VSWR: ≤1.3 Bypass loss : ≤0.8 dB Power supply: DC28V/15A Power supply mode:Cable Temperature: -25c~+55c

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Gainer International (China) Limited

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