TOWERIQ~Guardian B 2 Watt Public Safety Band signal booster enhances in-building coverage for crucial communications, delivering consistent signal for First Responders and other public safety officials who rely on two-way radio communication inside large buildings. Class B, 2-Watt or 1/2 Watt, bi-directional amplifier with a maximum gain of 80 dB supporting both the 700 and 800 MHz Public Safety frequency bands. Frequencies: Uplink 788 - 805 MHz 806 - 816 MHz Downlink 758 - 775 MHz 851 - 861 MHz designated critical areas elevators, stairwells, etc. in order to receive a certificate of occupancy. TQ-GUARDIAN-B meets the code for NFPA 72/1221, IFC 510, and features UL2524 Certification including UL 50 certified/Type-4 rated amplifier housing. Additionally, the TQ-GUARDIAN-B comes equipped with dry contact 9-pin alarming compatibility, UPS and Ethernet port enabled remote monitoring. TowerIQ provides an industry leading 3-year warranty. This is NOT a CONSUMER device. It is designated for installation by FCC LICENSEES and QUALIFIED INSTALLERS. You MUST have an FCC LICENSE or express consent of an FCC Licensee to operate this device.