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Get more bars with Digital Antenna’s PowerMax™ 4KMR-30M wireless cell booster.
This 50dB gain wireless cellular repeater system boosts the signal strength of your cell phones or air cards to 3 watts, improves transmit and receive signals
and can be used in a variety of locations. This translates into
fewer dropped calls, clearer connections and stronger signals
inside your home, office, cabin boat or RV. In addition, Digital
Antenna’s cell boosters extend the life of your cell phone’s
battery. For use on all carriers except Nextel or iDEN. Not for use in open console boats.
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 to two rooms in home, office,
RV or boat with cabin (not for use in open console
boats) |
| Range/Performance: |
Enhances multiple cell phones up
to 25’ from inside antenna * |
| Advantage: |
Wirelessly amplifies up to 20 cell
phones in one to two rooms |
| Requirement: |
12’ separation plus a structure between inside and outside antennas |
* Enhanced distance from inside antenna varies based upon outside
cell signal strength. A weaker outside signal results in a
smaller distance from inside antenna. For a larger enhanced
inside coverage area, use ultra low loss cable and/or add a
directional outside antenna (for fixed locations only). To use a
cell booster, a usable cell signal must be present at the
location of the outside antenna.
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HOME: Enhanced signal penetrates up to
one interior wall with 50dB
gain system. |
BOAT: Internal antenna must be used inside. Enhances signals inside
the cabin only. |
RV: Directional inside antenna must
face forward, away from external antenna. |
See the data
sheet (PDF) for larger images.
- 3 watt dual band 40dB gain cellular repeater (DA4000MR) *
- 18” external 9dB gain omni-directional antenna ( 288-PW )
- Internal 9 dB gain directional antenna ( 426-PW )
- 30’ of DA240 cable for external antenna ( 240-30NM )
- 15' of DA240 cable for internal antenna ( 240-15NM )
- 1"–14 threaded mount ( DM194 )
- 1"–14 threaded mounting ferrule ( F114 )
- 12 VDC power converter ( DP515 )
- 110 VAC power supply (
DP255 )
* Not sold individually; only available as part of a system.
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4KMR-30M System Includes: 
