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(More customer reviews)I ordered this unit for a large data center in the basement of a corporate office building where cellular phone signals simply could not penetrate. (no windows and steel doors). The device initially failed and I found out that I had actually broke the device powering it on when the connectors were loose. Afterward I read a very small warning that informed me that powering on the unit without the antenna properly connected could result in the device failing and breaking. I had to send it back to be fixed. Which took about a week. I would highly recommended buying their cable. I tried to get buy with some of my own 75 ohm COaX cable and it would't fly. I eventually bout the 75 foot extention. After all the I got the device to finally work and it covers our 1850 square foot data center nicely.
Click Here to see more reviews about: 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 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.
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