Greetwin 4G 20dBm Signal Booster B8 B3 B1 B20 4 Band Mobile Phone Signal Repeater

• Customization: Available
• Type: Signal Repeater
• Transmission Medium: Cable
• Model NO.: GW-20LGDW-K
• Lightning Protection: With Lightning Protection
• Certification: ISO, RoHS, CE
• Condition: New
• Max Output: 20dBm
• Max Gain: 70dB
• Mgc (Manual Gain Control): 31dB Range/1dB Step
• Ripple in Band: 8dB
• Power Supply: Output: DC 10V/6A
• RF Connector: N-Female
• Transport Package: Neutral Packing
• Specification: CE, RoHS
• Trademark: Greetwin
• Origin: Shenzhen
• HS Code: 8543709200
• Production Capacity: 2000PCS/Month

Product Description

Specification		Uplink	Downlink
Frequency	LTE800	832-862MHz	791-821MHz
	GSM900	890MHz-915MHz	935MHz-960MHz
	DCS1800	1710MHz-1785MHz	1805MHz-1880MHz
	WCDMA2100	1920MHz-1980MHz	2110MHz-2170MHz
Operation Bandwidth		Wide Band
Gain		≥65dB	≥70dB
Output Power		≥18dBm	≥20dBm
MGC (Manual Gain Control)		31dB Range/1dB step
Ripple in Band		8dB
Noise Figure		≤ 6dB
VSWR		≤2.0
Automatic Level Control		25dB
Intermodulation Products		≤ -40dBc
Spurious Emission	9KHz~1GHz	≤ -36dBm/30KHz
	1GHz~12.75GHz	≤ -30dBm/30KHz
Frequency stability		≤ 0.01ppm
MTBF		> 50000 hours
Time Delay		≤1.5μs
Impedance		50Ω
Power Supply		Input: AC 110~240V; Output: DC 10V/6A
LED Alarm	Power LED	DC ON/OFF
	Smart LED	Smart function ON/OFF
AGC Alarm		Alarm RED when ALC 5dB-10dB
ISO Alarm		Alarm RED when ALC 20dB-25dB, Then Repeater will Auto Shut Down. Auto restart after two minutes.
Mechanical Specification
RF Connector		N-Female
Power Consumption		25W
Operating Temperature		-10ºC~ +55ºC
Environment Conditions		IP40(Indoor)
Installation Type		Wall Installation
Dimensions (D x W x H )		400*170*65mm
Weight		≤ 7 KG

 

 

  

    Q1. Why is there still no signal after installing the equipment?

            1. Check the power on the booster and power supply.

            2. Check the connector of the outdoor antenna is tight or not.

            3. Check the connectors of the 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 the 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 the 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 the 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