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Digital Antenna PowerMax 4KMR-30U 3 Watt 40dB Gain Dual Band Cellular Wireless Repeater System For Use In Homes and Offices (Up to 1000 Sq. Ft.) Digital Antennas PowerMaxTM SOHO room wireless cellular booster provides enhanced cellular signals in a room up to 1,500 square feet in size. Perfect for use inside homes and offices where cell phone service is poor or non-existent, the 4KMR-30U repeater system brings the outside cellular signal indoors. DUAL BAND: FCC and IC approved for use with all North American cell phones operating on 850 or 1900 MHz (except Nextel or iDEN). Application: One room in a home or office (up to 1,500 sq. ft.) Range/Performance: Enhances multiple cell phones in a room 8 to 12 from inside antenna * Advantage: Wirelessly amplifies up to 20 cell phones in one room. Requirement: 20 separation plus a structure between inside and outside antennas. * Distance from inside antenna varies based upon outside cellular signal strength. A weaker outside signal results in a smaller inside coverage area. For a larger inside coverage area, add a directional outside and/or inside antenna. To use a cell booster, a usable cellular signal must be present at the location of the outside antenna. 4KMR-30U System Includes: 3 watt dual band 40dB gain cellular repeater (DA4000MR) * 18 external 9dB gain antenna (288-PW) Internal antenna with 6′ cable (135-RD) 30 of DA240 cable for external antenna (240-30NM) 12 VDC power converter (DP515) 110 VAC power supply (DP255) * Not sold individually; only available as part of a system.

Product Features

  • Compact and easy to install
  • Coverage up to 1,000 square feet
  • Unity gain interior antenna – Multiple cell phone users
  • 9dB omnidirectional donor antenna
  • Requires 20 feet of separation plus a structure between donor & interior antennas

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One comment

  1. Vic S. says:

    Very disappointing experience. A friend of mine has this unit and it works so well full signal strength is attained despite being shadowed by tall buildings. After a great deal of research, it seemed this product would work for me, too. I however, despite following all instructions, talking with tech support, and eventually hiring a professional, could not get the unit to stop knocking itself off. After re-installing the unit 4 times and sending the unit in for “testing,” and buying a very expensive antenna extension, I…

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