zBoost Mobile1 - Dual-band in-vehicle cell phone signal booster for a single user ZB245 Type: Booster Compatible Phone Manufacturer: Universal Connector: SMA-Female Power Requirements: 5.5 V 1A Specifications: PCS: Frequency: 1850 to 1990 MHz Output Power: Uplink: 25.2, Downlink: -29.1 Cellular: Frequency: 824 to 894 MHz Output Power: Uplink: 22.9, Downlink: -28 General: Antenna Impedance: 50 Ohms Noise Figure: 3 dB nominal System Certifications: FCC Parts 15 & 20, Industry Canada Features: Boosts in-vehicle signal for a single user Reduces dropped calls Works with all cellular providers Boosts signal for voice & text for all phones