Featuring cell phone antennas, cell phone amplifiers and cell phone repeaters from

You can now speak and be heard clearly on a cell phone inside homes, offices and large marine vessels and RVs (40' length or greater), without feeling tied down. Digital Antenna's PowerMax DA4000SBR (DA4KSBR-50U) cell phone repeater increases signal strength and improves cellular communication without a physical connection to cell phone. This cell phone amplifier/repeater also boosts the performance and range of your cell phone up to 30+ miles.

PowerMax DA4KSBR-50U Installation and Operation Manual (PDF) | Catalog Page (PDF)

This SOHO Cell Phone Amplifier/Repeater System provides up to 3,000 to 5,000* sq ft of coverage. Interior coverage varies based upon the strength of the outside signal and building construction and materials. The DA4000SBR (DA4KSBR-50U) system will typically penetrate to 1-2 interior walls (drywall construction) and 1 floor.

Compatible with: All cellular and PCS carriers in the USA and Canada, including Cingular, AT&T, Verizon, Sprint, Alltel and T-Mobile (850MHz, 1900MHz). Not compatible with Nextel, SouthernLINC , Mike (Canada) or 1700MHz AWS (T-Mobile US 3G).

Benefits:

• Wireless - no connections to cellular phone
• Increases cell phone range up to 30+ miles
• Amplifies 800 (850) and 1900 MHz bands
• Use multiple cellular phones and carriers at the same time
• Reduces dropped calls
• Up to 5000* sq ft coverage area (under optimum conditions)
• Extends the life of your cellular phone battery

Stay Connected - Wirelessly!

The DA4000SBR (DA4KSBR-50U) cell phone repeater requires no physical connection to your phone. How does this work? An outside antenna receives the signal from the cell tower, the signal is amplified by the DA4000SBR (DA4KSBR-50U) cell phone repeater and then repeated to your cell phone through the inside antenna. No physical connection to your phone means you now have the freedom to walk around while talking on your phone. This technology even allows clean and clear wireless functioning of multiple cell phones operating on 800 and 1900MHz bands simultaneously (coverage area up to 5,000 square feet).

DA4KSBR-50U Complete Cell Phone Repeater Systems are Easy to Install

The DA4000SBR (DA4KSBR-50U) is sold as a complete system with everything you need for no hassle installation on your yacht, or inside your RV, home or office. This innovative design offers patent pending Dynamic Variable Gain control and amplification of transmit and receive signals. A minimum separation of 40' is required between the inside and outside antennas*. The DA4000SBR (DA4KSBR-50U) is FCC and IC approved for use with all cellular and PCS carriers in the USA and Canada, including Cingular, AT&T, Verizon, Sprint, Alltel and T-Mobile. Not compatible with Nextel, SouthernLINC, Mike (Canada) or 1700MHz AWS (T-Mobile US 3G).

The DA4000SBR (DA4KSBR-50U) can be used with all 800 (850) and 1900 MHz digital cellular phones and tri-mode phones operating on CDMA, TDMA, PCS, GSM850/1900, GPRS and AMPS (Analog).

The DA4KSBR-50U Cell Phone Repeater System Includes (picture):

• DA4000SBR (DA4KSBR-50U) 3 Watt dual band 60dB dynamic gain wireless amplifier/repeater unit
• 12V DC power converter
• 110V AC power supply
• Inside omni-directional antenna (4" whip) with 6' of cable
• Outside 9dB gain omni-directional dual band antenna (18" whip) and mounting bracket
• 50' PowerMax DA340 Ultra low loss coaxial cable and factory attached connectors

Requires a minimum separation distance of 40' or more and wall/roof/bulkhead structures between inside and outside antennas.

Frequently Asked Questions

General Specifications:

• FCC Approved, FCC ID: PZODA4000SBR
• Industry Canada approved, IC ID: 4260A-DA4000SBR
• Repeater Dimensions: 4.5" x 4.0" x 1.25"
• Weight: 12 oz
• Power Supply 5VDC, 1.5A
• Internal Fuse: 3A
• RF Connections: In/Out Antenna Port - Mini UHF Female
• RF Connectors:
  • DA340 cable: N/M and Mini UHF/M
  • Exterior antenna: N/F
• Indicator: Tri-color LED indicating power on

Electrical Specifications:

• Frequency
  • Uplink: 824-949 MHz and 1850-1910 MHz
  • Downlink: 869-895 MHz and 1930-1990 MHz
• AMPS/TDMA/PCS/CDMA/GSM850/GSM1900/GPRS
• Max Output Power: 3W, 35dBm (824-849MHz), 2W, 33dBm (1850-1910MHz)
• Dynamic Variable Gain: 60dB Max
• Impedance: 50ohms
• Power Consumption: Standby 5 vdc/0.35A, Uplink 5vdc/2.0A

Catalog Page (PDF)

One year manufacturer warranty. Made in the USA.

RETURN POLICY: Only new products in perfect condition are eligible for return. A 20% restocking/retesting fee applies. See our return policy for more information.

Digital Antenna DA4000SBR/DA4KSBR-50U Cell Phone Repeater System

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