GSM 900MHZ Handy-Signal-Verstärker Rf-Repeat

GSM 900MHZ Mobile Phone Signal Amplifier RF Repeater This device is specially designed for 900MHZ GSM mobile phone service. This mobile phone signal amplifier is very easily to install and operate. You don’t need to adjust the frequency of the device. Note: you can order a separate indoor antenna or outdoor antenna to strengthen the signal. Power Supply: INPUT: AC: 100V-240V OUTPUT: DC: 12V-2A Working Frequency: Up: 890-915MHz, Down: 935-960MHz Plus: Up: ≥55db Down: ≥60db Output power: ≥17dbm Evenness Degree: ±2db S/N Ratio: ≤5dB Voltage Standing Wave Ratio: ≤1.5(V.S.W.R) Delay: 1μs Eradiate:　≤-36dBm Cover area: more than 600 square meters. Outdoor antenna needed for this amplifier: Frequency: 800-960MHZ Gain: 7DB Connection: N Plug Indoor antenna needed for this amplifier: Frequency: 800-960MHZ Gain: 3DB Connection: N Plug coverage area: 500 m2