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2W 33dBm UMTS/WCDMA2100MHz 3g RF Band Selective Repeaters amplifier
Product Name : 2W 33dBm UMTS/WCDMA2100MHz 3g RF Band Selective Repeaters amplifier
Model : KT-WRP-B60-P33-B
Product Category : 3G UMTS/WCDMA Repeater
Power supply : AC 110VAC 220VDC -48VDC-24V AC 240
Frequency : 1920-1980MHz/2110~2170MHz
Scenarios : StadiumOfficeHighwayRailwayScenicPierIslandOffshoreUrban roadSupermarket MetroRuralSuburbanHospitalCampusMineOilfieldTunnel
Coverage : 1-3km3-5km>10km1-5KM5000-50000sqm
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 In telecommunications, a repeater is an electronic device that receives a signal and retransmits it. Repeaters are used to extend transmissions so that the signal can cover longer distances or be received on the other side of an obstruction.
There are several different types of repeaters; a telephone repeater is an amplifier in a telephone line, an optical repeater is an optoelectronic circuit that amplifies the light beam in an optical fiber cable; and a radio repeater is a radio receiver and transmitter that retransmits a radio signal.

Kingtone Repeaters
Kingtone system is designed to solve problems of weak mobile signal, which is much cheaper than adding a new Base Station (BTS). Main operation of RF Repeaters system is to receive low‐power signal from BTS via radio frequency transmission and then transmit the amplified signal to the areas where network coverage is inadequate. And the mobile signal is also amplified and transmitted to the BTS via the opposite direction.

Telephone repeater
This is used to increase the range of telephone signals in a telephone line. They are most frequently used in trunklines that carry long distance calls. In an analog telephone line consisting of a pair of wires, it consists of an amplifier circuit made of transistors which use power from a DC current source to increase the power of the alternating current audio signal on the line. Since the telephone is a duplex (bidirectional) communication system, the wire pair carries two audio signals, one going in each direction. So telephone repeaters have to be bilateral, amplifying the signal in both directions without causing feedback, which complicates their design considerably. Telephone repeaters were the first type of repeater and were some of the first applications of amplification. The development of telephone repeaters between 1900 and 1915 made long distance phone service possible. However most telecommunications cables are now fiber optic cables which use optical repeaters (below).

Cellular repeater
This is a radio repeater for boosting cell phone reception in a limited area. The device functions like a small cellular base station, with a directional antenna to receive the signal from the nearest cell tower, an amplifier, and a local antenna to rebroadcast the signal to nearby cell phones. It is often used in downtown office buildings.                                                                                                                                                                                                                                                    

Main features

3g WCDMA Repeater Main repater Features:
1,High linearity PA; High system gain;
2,Intelligent ALC technology;
3,Full duplex and high isolation from uplink to downlink;
4,Automatic Operation convenient operation;
5,Integrated technique with reliable performance;
6,Local and remote monitoring (optional) with automatic fault alarm &remote control;
7,Weatherproof design for all-weather installation;

Application Scenarios
Cell phone signal Applications
    To expand signal coverage of fill signal blind area where signal is weak  
or unavailable.
   Outdoor: Airports, Tourism Regions, Golf Courses, Tunnels, Factories, Mining Districts, Villages etc.
   Indoor: Hotels, Exhibition Centers, Basements, Shopping
Malls, Offices, Packing Lots etc.
It is mainly applicable to such case:
    The repeater can find an installation place which can receive pure BTS signal at strong enough level as the Rx Level in repeater site should be more than ‐70dBm;
    And can meet the requirement of antenna isolation to avoid self‐oscillation.


Testing Condition




Working Frequency(MHz)

Nominal Frequency

1920 – 1980MHz

2110 - 2170MHz


Nominal Output Power-5dB


Output Power (dBm)

GSM modulating signal



ALC (dBm)

Input Signal add 20dB


Noise Figure (dB)

Working in-bandMax. Gain


Ripple in-band (dB)

Nominal Output Power -5dB

≤2.0 (3.84MHz)

Time Delay (us)

Working in-band



Working in-band



Working in-band




Working in-band



Working in-band


Gain Adjustment Step (dB)

Nominal Output Power -5dB


Gain Adjustment Range(dB)

Nominal Output Power -5dB


Gain Adjustable Linear(dB)


Nominal Output Power -5dB



Nominal Output Power -5dB



Nominal Output Power -5dB


Spurious Emission(dBm)










BS/MS Port


I/O Port




Operating Temperature

-25°C ~+55°C

Relative Humidity

Max. 95%


Min. 100000 hours

Power Supply

DC-48V/AC220V(50Hz)/AC110V(60Hz)( ±15%)

Remote Monitoring Function

Real-time alarm for Door Status, Temperature, Power Supply, VSWR, Output Power

Remote Control Module

RS232 or RJ45 + Wireless Modem + Chargeable Li-ion Battery

12months repeater ,6months for accssories
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Fengze High-Tech Garden,Quanzhou,Fujian,China
Address:Bld B,Yucheng Base, Keji Road,
Fengze High-Tech Park,Quanzhou,Fujian,China
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