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GSM900MHz 75dB Gain 23dBm IP30 2G GSM Signal Amplifier

  • Shenzhen

  • Greetwin

  • CE, RoHS

  • GW-23MF(GSM)

  • 1 Piece

  • US $500-547.62/ Piece

  • Neutral Packing, Product Size: 191*296*76mm

  • 5-8 work days

  • L/C, T/T, Western Union, MoneyGram

  • 2000PCS/Month

GSM900MHz Band Selective Repeater GSM Signal Booster with Movable Central Frequency


It is designed for usage in 3G networks at the 2100MHz spectrum all over Europe. The bandwidth central frequency is adjustable via the SW setup. The installation of the repeater is easy and simple with its plug and play design and operational user-friendliness. Via as a small Microsoft compatible application the repeater is easy to configure. It has a smart function that can be activated via the front panel. This smart function can prevent UL interference and self -oscillation caused by insufficient isolation between donor and server antennas, and also setup parameters and keep optimal condition automatically. Activate this function by the front panel of this repeater.

Product Description


1)Auto Level Control (ALC)
The ALC maintains steady output power even when the donor source signal fluctuates. It also prevents
UL interference and self-oscillation from insufficient isolation between donor and server antennas.

2)Manual Gain Control (MGC)
The MGS provides manual gain attenuation to ensure flexibility to various signal conditions.

3)Antenna isolation testing (AIT)
The AIT function prevents interference and self-oscillation between donor- and service antennas.

4)Uplink silent mode (USM)
The USM minimizes possible uplink interference from the repeater to the network.



Electrical Specification GSM900 880-915MHz 925-960MHz
Bandwidth 20MHz fixed bandwidth with movable central frequency
Maximum Gain >=70dB >=75dB
Output Power >=20dBm >=23dBm

Out of Band Gain
2.7<=f_offset<3.5MHz <60dB
3.5<=f_offset<7.5MHz <45dB
7.5<=f_offset<12.5MHz <45dB
12.5<=f_offset <35dB

Spurious Emission
9kHz~150KHz <= -36dBm/1 kHz
150kHz~30MHz <= -36dBm/10 kHz
30MHz~1GHz <= -36dBm/100 kHz
1 GHz ~ Flow - 10 MHz <= -30dBm/1 MHz
Flow - 10 MHz ~ Fhigh + 10 MHz <= -15dBm/1 MHz
Fhigh + 10 MHz ~12.75 GHz <= -30dBm/1 MHz

Frequency Stability <=±0.01ppm
Error Vector Magnitude <= 12.5%
Peak Code Domain Error <=-35dB@Spreading Factor 256
Auto Gain Control(AGC) >=25dB
Manual Gain Control 31dB/1dB step
Gain Flatness <=4dB(P-P)
Noise Figure <= 6dB
VSWR <=2.0
Group Delay <= 5μs
Power Consumption <= 25W
Power Supply DC 4A/9V
Mechanical specification
Dimensions 191*296*76mm
Weight <=4Kg
I/O Connector/ Impedance N-female
Environmental specification
IP Rating IP30
Operating Temperature -10ºC~50ºC
CE and ROHS Approved: RTTE 1999/5/EC & 2004/108/EC
Monitoring specification

LED indication

Alarm LED
Antenna isolation is lower than the isolation for equipment installation Or ALC1~5dB,red

Recommended Accessories:
1)Donor antenna: Log Periodic Antenna (9dBi, 806-960/1710-2700MHz)
2)Service antenna: Omni Ceiling Antenna (3dBi, 806-960/1710-2700MHz)
3)5D-FB coaxial cable with connecter (Cable length optional)




Q1.Payment Method

T/T, Western Union, Paypal, and Credit Card are available,
and we suggest paying by Alibaba Trade Assurance, the most favor, and security method.
*Other methods please
Contact us with more details.

Q2.Delivery Date&Lead Time

Quantity Lead time Delivery to American/Middle East/Asia/Europe
<20 pcs 3-5 business days 3-7 business days by DHL
5-7 business days by FedEx/UPS
20-100 pcs 7-15 business days
>100 pcs 15-24 business days

*Click it to get the sample.

Q3. Can I customize frequencies?

Yes, we can customize 2G/3G/4G/5G/GSM/DCS/AWS/PCS/CDMA/WCDMA/LTE etc.

Q4. What should I do if I don't know about frequency in my country?

Please feel free to Contact us with your inquiry, we will find the frequency you need and address your problems.

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Company Profile

360° Full View of Factory Evaluation



Add:  Baodeli industrial park, Longhua District, Shenzhen City, Guangdong Province, China   Tel: +86-15112267605
Copyright  2022 Shenzhen Greetwin Technology Co., Limited. All rights reserved. Technology by Leadong. Sitemap