Model: Top Link 5G Mobile Signal Booster Frequency Range: Uplink: 698–960 MHz / 1710–2700 MHz / 3300–3800 MHz Downlink: 728–960 MHz / 1805–2690 MHz / 3400–3800 MHz Supported Bands: GSM, WCDMA, LTE, NR (5G) Gain: Up to 70 dB Output Power: 20 dBm Coverage Area: Up to 300–500 m² (varies with signal strength and building structure) Impedance: 50 Ω Connector Type: N-Female Power Supply: AC 100–240V / DC 12V 2A Working Temperature: -10°C to +60°C Material: Aluminum alloy shell Color: Silver or black (depending on model)