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Get more bars with the most powerful repeater system on the
market. Digital Antenna’s PowerMax™ 4KSBR-50M 70dB gain wireless
repeater system boosts the signal strength of your cell phones
or air cards to 3 watts, greatly 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, yacht, sailboat 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: |
Multiple rooms in home, office,
RV, large yacht or sailboat (not for use in open
console boats) |
| Range/Performance: |
Enhances multiple cell phones up
to 60‘ from inside antenna* |
| Advantage: |
Wirelessly amplifies up to 20 cell
phones in multiple rooms |
| Requirement: |
25’ 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 two interior walls with 70dB
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 70dB gain cellular repeater (DA4000SBR) *
- 18” external 9dB gain omni-directional antenna ( 288-PW )
- Internal 9 dB gain directional antenna ( 426-PW )
- 50’ of DA340 cable for external antenna ( 340-50NM )
- 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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4KSBR-50M System Includes: 
