Wide Band Repeater

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C20L Series Tri-band Signal Booster For All Country

C20L Series Tri-band Signal Booster For All Country

* 99% pass customs clearance,Amplitec have many certificates,such as CE,RoHS,FCC,etc...

* 100% solve mobile cell phone weak signal problem.

* LCD display of operating figures.

* Real time isolation check and alarm.

* Self oscillation elimination, auto degrading of output power in case of insufficient isolation detected.

* Auto turn-off in case of excessive self oscillation or over input.

* Idle turn-off, auto turn-off of uplink while no active users in the coverage , lowering interference to BTS.

* MGC, Manual control of output gain with 1dB step in the range of 31dB.

* ALC, auto control of output power, ensuring stable coverage.

* Linkage between uplink and downlink gain, keeping uplink and downlink balanced.

* Compact size, low power consumption and easy to install. 

* MTBF: up to 100,000 hours.

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      C20L series triple band repeater, developed by Amplitec R&D team, is a mobile signal repeater with high intelligence and excellent technical index. It is empowered with EDA digital simulation and Amplitec unique 50Ω impedance matching wiring technology. Equipped with electronic devices and RF components originated from international famous brands, the repeater’s excellent technical index and performance are guaranteed even from the circuit design.

In order to provide 2G, 3G, 4G, 5G coverage solutions for different countries and regions, C20L series repeaters offer multiple choices of triple band combination from the most common frequency bands such as B1,B2,B3, B5, B7, B8, B12, B20, B28, etc. Besides its elegant appearance, compact size and easiness to install and maintain, it has an output power of 20dBm which enables the device to cover an area of 600 ㎡ with proper installation and operation. That makes it an excellent option to solve weak signal problems for homes, offices, elevators, basements, etc.



Frequency Band

Any three in band 1, 2, 3, 4, 5, 7, 8, 20, 25, 28, 66 


Full Bandwidth


UL 65dB , DL 70dB

Output Power

UL 15dBm, DL 20dBm

Gain Attenuate

1~31dB, Step of 1dB

ALC Control Range




Spurious Emission

≤-36dBm @ 9KHz~1GHz, ≤-30dBm @ 1GHz~12.75GHz


Fully comply with 3GPP


Fully comply with 3GPP


Fully comply with 3GPP

Noise Figure


Group Delay


Power Supply

DC 12V /3A





Note:The letter "x" means the 3gpp 4G band number: 1, 2, 3, 4, 5, 7, 8, 20, 25, 28, 66

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