Shenzhen Greetwin Technology Co.,Limited
| Payment Terms | T/T, L/C |
| Supply Ability | 5000pcs per Month |
| Delivery Time | 3 Working Days After Received Payment |
| Packaging Details | Carton with PE Foam |
| Product Name | Mobile Phone Signal Booster |
| Frequency range | GSM900 DCS1800 |
| Bandwidth | 20MHz or 15MHz |
| Output Power | 20dBm |
| Gain | 65dB |
| Center Frequency Adjustment Step | 200KHz |
| Power Consumption | ≤8W |
| RF Connector | N-Female |
| Brand Name | GREETWIN |
| Model Number | GW-20GD-V |
| Certification | SGS, ISO9001,CE,ROHS |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 5000pcs per Month |
| Delivery Time | 3 Working Days After Received Payment | Packaging Details | Carton with PE Foam |
| Product Name | Mobile Phone Signal Booster | Frequency range | GSM900 DCS1800 |
| Bandwidth | 20MHz or 15MHz | Output Power | 20dBm |
| Gain | 65dB | Center Frequency Adjustment Step | 200KHz |
| Power Consumption | ≤8W | RF Connector | N-Female |
| Brand Name | GREETWIN | Model Number | GW-20GD-V |
| Certification | SGS, ISO9001,CE,ROHS | Place of Origin | China |
| High Light | 15MHz Cell Phone Signal Boosters ，SGS Cell Phone Signal Boosters ，23dBm Indoor Signal Booster | ||
Q1. Why is there still no signal after installing the equipment?
1. Check the power on booster and power supply.
2. Check the connector of outdoor antenna is tight or not.
3. Check the connectors of RF cable are tight or not.
4. Check the outdoor signal is strong enough or not.
5. Check to make sure the antenna is installed correctly.
6. Check the connector of indoor antenna is tight or not.
7. Check the cable type is suitable or not.
Q2. Why the signal strength is too weak on the edge of area?
1. Check the outdoor signal and antenna direction.
2. Check booster is full gain or not.
3. Check all of the connectors are tight.
4. Change the location of outdoor/indoor antenna.
5. Check the cable type is suitable or not.
6. Deploy more indoor antennas.
Q3. After running booster, why the signals are not stable?
1. Checking the distance between donor antenna and server antenna are too close to each other? Check LED
of booster to
make sure alarms are green.
2. Checking the signals from donor antenna whether to be stable or not?
3. Connect the system again if it is incorrect connection.
Q4. Why the booster power LED is not bright?
1. Checking the input AC power range indicated on power adapter whether is corresponding to the local
power system.
2. Checking the power adapter whether connect the equipment correctly and stably or not.
3. Checking the power adapter whether damage or not. To test output voltage whether be corresponding to
that indicated on power adapter or not by multimeter
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller,Other
Year Established:
2005
Total Annual:
5million-10million
Employee Number:
100~200
Ecer Certification：
Active Member
Shenzhen Greetwin Technology Co., Limited is one of the leading suppliers which specializes in designing and manufacturing RF Jamming Equipment and Wireless Coverage Products. Wireless Coverage Products include 2G 3G 4G LTE 5G RF Repeater. The RF Repeater... Shenzhen Greetwin Technology Co., Limited is one of the leading suppliers which specializes in designing and manufacturing RF Jamming Equipment and Wireless Coverage Products. Wireless Coverage Products include 2G 3G 4G LTE 5G RF Repeater. The RF Repeater...
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