Digital Antenna Powermax

Boost your cell phone range 30+ miles and increase signal strength inside RVs, marine vessels, homes & offices with the PowerMax DA4000SBR Small Building Repeater. This 3 watt cellular repeater improves cellular communication without a physical connection to your cell phone.

The Latest Technology, First!

Digital Antenna’s in house laboratory with over 80 years experience brought you the first dual band repeater. Digital Antenna offers exclusive Dynamic Variable Gain Control, which regulates the amplifier’s output to any cell carrier’s tower, ensuring clean and clear wireless communication.

Features:

Increases cell phone range up to 30+ miles.
Wireless – no connection to cell phone.
Multiple cell phone users (up to 20) & carriers simultaneously. Coverage area up to 5,000 SF.

4KSBR-50U System Includes:

3 watt dual band 60dB gain cellular repeater unit
12 VDC power converter
110 VAC power supply
Internal omni-directional antenna
18” external 9dB gain cellular antenna with mounting bracket.
50’ ULTRA low loss DA340 coaxial cable & factory attached connectors.

Requires 40’ separation and a wall/roof/bulkhead structure between inside & outside antennas.

Specifications:

Frequency Uplink 824-849 MHz, 1850-1910 MHz

Frequency Downlink 869-894 MHz, 1930-1990 MHz

Amplifier Dimensions 4.5” l x 4” w x 1.25” h (114mm x 102mm x 32mm)

Power Supply 5 VDC 1.5A

Weight 11.5 oz (.345kg)

Internal Fuse 3 A

Amplifier connectors 50 ohm female mini-UHF

Cable Connectors 50 ohm mini-UHF male and N type male

18” Antenna Connector 50 ohm N type female

Power Switch Slide switch with tri-colored LED indicating power on

Operating Temp -40 to +75O C -40 to 1670 F

Output Power (max) Low Freq = 3w (35 dBm) High Freq = 2w (33 dBm)

Dynamic Variable Gain 64 dB (max)

Power Standby 5 vdc/1A

Power Uplink 5 vdc/3A

Noise Figure 5 dB

Receive Sensitivity -122 dBm