• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: JIMTOM
  • Model Number: KT-903GB
  • signal booster coverage: 200-800 ㎡
  • signal booster Frequency range: Up linkGSM 890-915/WCDMA1920-1980(MHz)
  • signal booster Downlink: GSM 935-960/WCDMA2110-2170(MHz
  • signal booster GSM/3G Up link: 65/55
  • signal booster GSM/3G Downlink: 70/60
  • signal booster Gain adjustable range: MGC≥30dB
  • signal booster Output power(dBm): ≥20
  • signal booster I/O impedance: 50V/N Connector
  • signal booster Noise igure: ≤-8dB
  • signal booster repeater: cell phone signal booster

Packaging & Delivery

Packaging Details carton lined with safety foam
Delivery Time Within 2 days after received payment


900 2100 Dual Band Cell Phone 3G signal Booster
Up link GSM 890-915/WCDMA1920-1980(MHz)
Downlink GSM 935-960/WCDMA212110

Product Description


GSM /WCDMA 3g Dual Band mobile Cell Phone 3G signal Booster

Function: Making your mobile phone signal stronger.


Cell phone signal amplifier (also named repeater or booster) is a product designed to solve the mobile phone blind or weak signal. Inside of some tall buildings, the basement of some places such as malls , restaurants , places of entertainment such as Karaoke OK sauna and massage, subway stations and many other places where cell phone signals can not reach and can not use the phone. Cell phone signal amplifier can solve these problems. In a particular place as long as installing a mobile phone repeater , the mobile signal can be well boosted and the mobile phone can be well used.Making you keep in touch with others smoothly in everywhere



Technical Features:

  GSM /WCDMA 3g Dual Band mobile Cell Phone 3G signal Booster

1)High system gains.
2)Full duplex and double-end design, external power supply, and convenient installation.
3)ALC technology with auto-steady function adopted.
4)Provide power indication and uplink and downlink indications.
5)With the amplified linear power, the intermodulation and spuriousness are suppressed effectively.
6)The reliability conforms to GB6993-86 standards.
7)The electromagnetic compatibility conforms to ETS300 609-4 standards.



Product Feature:

GSM /WCDMA 3g Dual Band mobile Cell Phone 3G signal Booster
1.  Provide quick coverage solution for small signal weak & block zones.
2.  Compact size, low consumption, easy installation, great cover.
3.  Cover about 200~800 m² without block or obstruct.
4.  High linear design, low interference to BTS
5.  Manual gain control function


Technical Specification:



Frequency range

Up link

GSM 890-915/WCDMA1920-1980(MHz)


GSM 935-960/WCDMA2110-2170(MHz)



GSM/3G Up link


GSM/3G Downlink


Gain adjustable range


Output power(dBm)



Pass band ripple






Guard band rejection


(BW-60dB)≤42 MHz   (BW-70dB)≤45 MHz


(BW-60dB)≤104MHz   (BW-70dB)≤107 MHz

I/O impedance

50V/N Connector

I/O return loss


Noise igure


Intermodulation attenuation (Po=13dBm)


Transmission Delay


Ambient temperature


Power supply

AC110~220V±10%  45~55Hz




a)        Power supply LED denote

b)       Export power ELD denote

Company Information


Welcome to OEM ,To our website : www.kingtone.cc  for more information.
Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
7 Transactions 2,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $300,000
Learn More