TOWERIQ~Guardian 4 Public Safety Band signal booster amplifies FirstNet signals for crucial communications by delivering consistent signal for First Responders and other public safety officials. Responder is a 1/2 Watt BDA that comes equipped with a dual-band booster with a maximum gain of 80 dB on the Public Safety frequency bands 700 MHz (FirstNet Ready) and 800 MHz. Responder meets the code for NFPA 1221, IFC 510, and features a NEMA-4 rated amplifier housing. Additionally, the Responder comes equipped with a dry contact 7-pin alarm, UPS port for external battery backup, and Ethernet ports that enable remote monitoring.