Digital Antenna DA-4190 PowerMax 4-Way Global Cellular Combiner, Use with all PowerMax Cellular Boosters, Supports Simultaneous use of up to Four Cellular Devices with an Amplifier or Repeater Getting the most out of your cellular signal booster is easy when you have the right accessories to create a solution that is perfect for your specific application. Digital Antenna's 2-way and 4-way global band cellular combiners work on all cellular bands including 4G (600-2200 MHz) and allow multiple cellular devices to be used simultaneously with direct-connect amplifiers and wireless repeater systems (cell boosters). All global band cellular combiners feature mini-uhf female connectors. Cables sold separately. Key Features Use with all PowerMax Cellular Boosters Mini-UHF Female Connectors Supports simultaneous use of up to four cellular devices with an amplifier or repeater Specifications Frequency: 850/900/1800/1900/2100 MHz Bands (800-2200 MHz) Impedance: 50 ohm Maximum Input Power: 3 watts Connectors: Mini-UHF female (50 ohm) Insertion loss: 6dB Operating Temprature: -40 to +75ºC -40 to 167ºF Dimensions: 4" x 3.25" Weight: 6.8 oz