GSM/ WCDMA Dual Band Cell Phone Signal Booster Amplifier - Silver
Frequency range: 935-960MHz / 2110-2170 MHz (down) 890-915 MHz / 1920-980 MHZ (up); Input power range: - 70-40dBm; Maximum output power: 17dBm gain: 65 db (a) / 60 decibels (on) impedance: 50 ohms standing wave: <1:1.5 ascending and descending isolation: > 80 db noise factor: < 6.0 decibels delay: < 1 us within the zone volatility: 3.0 decibels; Suitable for signal blind area or weak signal areas such as underground place of business small basement underground parking etc