Band Selective Repeater

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37dBm Consumer Cellular Cell Phone Data Tower Internet Signal Booster Extender

37dBm Consumer Cellular Cell Phone Data Tower Internet Signal Booster Extender

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

* 37dBm 85dB signal repeater indoor coverage area upto 6000-10000㎡, outdoor upto 2-5km and waterproof easy to install.

* OLED display of operating status at a glance, easy and convenient Push-button operation.

* Can be controlled and monitored, via USB connects PC for local control, via 3G or4G modem connects PC for remote control.

* Adjustable frequency and bandwidth.

* Support the uplink quiet noise function, low interference.

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

* Anti-interference, real time auto ISO detection and Self Oscillation Elimination keeping base station away from interference.

* Manual gain attenuation, attenuation of gain in the range of 1-31dB with 1dB step.

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*Amplitec handle many engineering cases around the world,we have rich experience in mobile phone signal coverage project.

*Amplitec Own Chinese the largest signal booster manufacturing factory, so our quality control and production capacity leading the world.

*Most of Amplitec's signal booster have certificates,such as CE, RoHS, FCC, etc...

*Amplitec have rich exhibition experience, our signal boosters are recognized in many regions around the world.

-Recommended accessories full sets including:

mobile phone range extendercell phone booster for rural areaspower cavity splitterpower coupler combinercoaxial cableoutdoor-parabolic-antenna

    Amplitec F37T is the best adjustable bandwidth selective signal repeater for operator, not only single band, dual band, triple band to choose, but also easy to cover indoor coverage 6000-10000㎡, outdoor upto 2-5km and waterproof easy to install. In bad weather conditions, it still does not affect the stable enhancement of the signal. Suitable for remote areas, rural area, mountain villages, forests, farms, tunnels. There are a variety of test certificate reports, which conform to the use standards of different countries, and all parameter indicators will not have a negative impact on the base station.

-Production function description

a) Frequency and bandwidth setting

- The repeater could be configurated according to the instructions on the OLED interface or through the PC software to setting frequency and bandwidth . The minimum step of the frequency setting is 100KHz and the maximum bandwidth is 25MHz.

b) Manual gain control (MGC)

-When installing and operating the repeater ,engineer can adjust uplink and downlink gain in the range 1-31dB to ensure the repeater work in full output power condition.

c)  Automatic gain level control

-When the downlink received signal+ downlink gain exceeds 43 dBm, the repeater will automatically activates the ALC function to reduce the downlink gain and keep the downlink output power of the repeater within 43dBm.

-When the uplink received the moble phone signal +uplink gain exceeds 43dBm,the repeater automatically activates the ALC function to reduce the uplink gain and keep the uplink output power of repeater within 43dBm.

d) Automatic balance of uplink and downlink gain

-When the downlink signal is strengthened during the operation of the repeater and the ALC starts to attenuate the downlink gain, the system simultaneously attenuates the uplink gain to maintain the signal balance between the downlink and uplink.

e)Isolation detection and elimination self-excitation 

-The repeater system detects the isolation between the BTS port and the MS port in real time. When the isolation is less than  +15dB of the system gain, the system will automatically reduce the gain to prevent the system from self-excitation.

f) Automatic shutdown

-When the repeater system exceeds the gain attenuation range of the system due to too strong received signal level or too low for isolation, the repeater system automatically shuts down the output to prevent the repeater from being burnt because of overload.

g) Uplink idle turn-off

-When there is no end users in the coverage area, the system will automatically turns off the uplink output to minimize interference of the radio wave in the space.





Frequency Band

Any one in band 1, 2, 3, 4, 5, 7, 8, 20, 25, 28, 66 @ F37T-Bx

Any two in band 1, 2, 3, 4, 5, 7, 8, 20, 25, 28, 66 @ F37T-BxBx

Any three in band 1, 2, 3, 4, 5, 7, 8, 20, 25, 28, 66 @ F37T-BxBxBx


0.2~24MHz can be set


UL 80dB , DL 85dB

Output Power

UL 24dBm, DL 37dBm

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

Out of band Gain

Fully comply with 3GPP

Noise Figure

≤6dB @ F37T-Bx

≤8dB @ F37T-BxBx,  @ F37T-BxBxBx

Group Delay


Power Supply

AC 100~264V / 50Hz


370x332x137mm @ F37T-Bx

490x410x210mm @ F37T-BxBx

490x410x210mm @ F37T-BxBxBx


<12kg @ F37T-Bx

<28kg @ F37T-BxBx

<29kg @ F37T-BxBxBx

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

37dBm Consumer Cellular Cell Phone Data Tower Internet Signal Booster Extender

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