Brand New Digital Antenna Marine/RV 70dB BDA Wireless Amplifier Kit . Model # 4KSBR-50M. Digital Antenna 824-894/1850-1990 MHZ (cellular/PCS) dual band wireless 70dB home, office, marine and RV wireless cell booster is designed to offer high gain with less antenna separation. It boosts the signal strength of your cell phone or air card to 3 watts and improves transmit and receive signals. All needed accessories are included. Not for use in open console boats. . Includes: . Internal antenna External magnet mount antenna 12VDC cigarette lighter plug cord 110 VAC power supply ; Features:. Wireless operation. No physical connection to cellphone Enhances data connection for improved internet, fax and text messaging Amplifies cellular signal up to 30+ miles Extends the life of the battery of your device 3 watt dual band 70dB gain cellular repeater 18" external 9dB gain antenna Requires 25' separation, plus a structure between inside and outside antennas ; Specifications:. Frequency Range (MHz) 824-894/1850-1990 MHz Maximum Gain (dB) Variable 3 watts (70dB) ; Compatible With:. Works with all 850/1900 MHz cell phones or air cards operating on any modulation including CDMA, GSM, TDMA, PCS, EV-DO);