Goboost Dual Band 850 700 mhz Signal Amplifier CDMA LTE700 2g 3g 4g 70dB 21dBm CellPhone Network Mob

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GB21 Dual band Cell Phone Signal Booster Specification
GB21 Dual band Signal Booster Frequency Band GB21-GD : GSM 900mhz   DCS 1800mhz 
GB21-GW : GSM 900mhz   WCDMA 2100mhz 
GB21-CD : CDMA 850mhz   DCS 1800mhz 
GB21-CW : CDMA 850mhz   WCDMA 2100mhz 
GB21-CP : CDMA 850mhz   PCS 1900mhz 
GB21-CA : CDMA 850mhz   AWS 1700/2100 mhz 
GB21-CG : CDMA 850mhz   GSM 900mhz 
GB21-DW : DCS 1800mhz   WCDMA 2100mhz
Output Power Max Power: 21dBm
Repeater Gain Max Gain: 70dB
Power Supply AC: 100~240V 50 / 60 Hz
DC: 12V / 2A
Mechanical Specification
RF Connector Outdoor : N type Female  Indoor : N type Female
Installation Type Keep flat or Wall mounted
Applicable Scene Indoor
Product Size 200mm(L) * 140mm(W) * 30mm(H)
Gross Weight 0.63kg
Working Environment Humidity : 10～90% Temperature : -10℃～+55℃
 


How it work ?
Outdoor Antenna: Send / Receive wireless signal data to Base station
Indoor Antenna: Send / Receive wireless signal data to Cell phone
Signal Booster: Strengthen the received signal


Step 1
Search a position where can receive good signal (stronger than-70dB) . Install outdoor antenna on that location, point to base station.


Step 2
Install indoor antenna to the position where you need to cover signal.


Step 3 
Connect outdoor antenna and BTS port by coaxial cable, then connect indoor antenna and MS port, ensure all connections are ready. Power on your repeater and enjoy it.


Package & Production


FAQ
Q1: How about gain and output power of your device?
A: GB21 dual-band signal repeater has 65dB Gain and 21dBm Output power, and it can cover 400~800 square meters, for more details, please contact us.

Q2: What's your device lifespan?
A: Normally our devices can be used 5-10 years, and we offer 24 months warranty and lifelong maintenance for the devices.

Q3: Can I use your device in suburbs or remote areas?
A: Yes, as long as you can find a good signal source, our signal booster can help you solve signal problems in remote areas.
Q4: What's your MOQ?
A: We don't have MOQ. Small quantity is also acceptable.

Q5: Do you accept OEM / ODM order?
A: Yes, we can customize the brand logo, colors, and frequencies.

Q6: Payment Method
A: T/T, Western Union, Paypal, and Credit Card are available,
we suggest paying by Alibaba Trade Assurance, the most favor, and security method. Please contact us for other methods.

 

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