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Full Set 4 Bands Frequency 2G 3G 4G Mobile Phone Signal Repeater EST-4BR

SKU: #001 - In Stock

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EST-4BR is highly adaptive products for coordinate with different countries frequency. With powerful 4 bands frequency, EST-4BR widely covers mobile phone signal such as 2G,3G,4G, etc. And wide coverage area to expand the mobile phone signal. Suitable for closed places or places where far away from the base station, but require for excellent mobile phone using performance. Places like elevator or shopping center, the resident and customers demand for mobile phone using is also suitable for EST-4BR.



Frequency Bands Frequency Range Uplink/Downlink
Band 8 900MHz UP LINK: 890-915MHz

DOWN LINK: 935-960MHz

Band 3 1800MHz UP LINK: 1710-1785MHz

DOWN LINK: 1805-1880MHz

Band 1 2100MHz UP LINK: 1920-1980MHz

DOWN LINK: 2110-2170MHz

Band 7 2600MHz UP LINK: 2500-2570MHz

DOWN LINK: 2620-2690MHz

-Input power: -70 ~ -40dBm

-Max Up link gain: 65dB

-Max Down link gain: 65dB

-Max output power: 10dBm

-Impedance: 50 Ohms

-Isolation: >70dB

-Connector type: RP-SMA male

-Power supply: 5V/2A DC, 100~240V

-Repeater size: 15.1 * 10.4 * 1.4cm

-Repeater weight: 380g


Indoor Antenna

-Frequency range: 690 – 2700Mhz

-VSWR: ≤2.5

-Gain: 12dBi

-Polarization type: Vertical

-Radiation: Omni

-Maximum input power: 10W

-Input impedance: 50 Ohms

-Cable type: RG174(best) 100% cooper

-Cable length: 30cm

-Dimensions: 17 x 10 x 5 cm

-Weight: 135.6g


Outdoor Antenna

-Frequency range: 690~2700MHz

-VSWR: ≤1.5

-Gain: 15dBi

-Half-power beam width(°): H:360 V:55/30

-Polarization type: Vertical

-Radiation: Omni

-Maximum input power: 100W

-Input impedance: 50 Ohms

-Cable type: RG174 (best) 100% cooper

-Cable length: 90cm

-Dimensions: Φ5*25cm

-Weight: 500g



(1) Easy for installation and maintenance, automatically level control, economical choice for expanding mobile phone signal.

(2) Low noise gain, stable performance during operation and will not interfering the base station.

(3) Low power consumption and supporting longtime working, environment friendly.


Operation instruction

(1) Install the outdoor antenna on the rooftop, point it to the signal tower.

(2) Connect the outdoor antenna to the ‘outdoor’ port in repeater machine through cable.(outdoor antenna should be 7 meters away from the main unit, to avoid self-excitation)

(3) Connect the indoor antenna(s) to the ‘indoor’ port in repeater machine through cable.

(4) Plug power adapter into AC power socket and finish installation.

(5) All joints must be tighten and wrapped with tape to prevent oxidized by water.



(1) EST-4BR needs no special maintenance.

(2) The warranty period is 12 months.


Application situation

Elevator, stairway, home, hotel, conference room, residential zone, government building, commercial area, shopping center,etc. Places where need signal strengthen or closed places.


Packing list

(1) EST-4BR main unit  1pc

(2) Power supply  1pc

(3) User manual (optional)  1pc

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