Real-time Gain Show In LCD Display 23dBm LTE800 1800MHz Dual Band Smart Mobile Signal Booster 3G 4G gsm Signal Amplifier


Real-time Gain Show In LCD Display 23dBm LTE800 1800MHz Dual Band Smart Mobile Signal Booster 3G 4G gsm Signal Amplifier 


Product Description



_ - _

 The Display will auto off if don't touch it in one minute.


1. “GREETWIN”is Company LOGO.

2. Power: Power supply with indicator.

3. Smart: Smart function with indicator. AUTO Mode now.

4. M :  “AUTO” switch to “MANU”.

5. Sel: Select the working systems ,

long press the button for 2s , will enter into 900M. then setting the gain.

then set the gain 65dB, long press the button for 2s again. 65dB was confirmed.

6. 900MHz: Show the current working system. Press “Sel” to change to the different system for operation.

7. AUTO/MANU: Automatic Mode or Manual gain Mode.

8. AGC: Automatic gain control with indicator.

9. ISO: Isolation inspection with indicator. with Auto shut down.

10. 63dB/68dB:  Real-time gain show in the LCD display.

11. 0dBm/0dBm: Real-time outpower show in the LCD display.

12. UL is Uplink, DL is downlink. “+” is increasing the gain, “-” is decreasing the gain. 




Specification Uplink Downlink
Frequency LTE800 832~ 862MHz 791 ~ 821MHz

1710 ~ 1785MHz

1805 ~ 1880MHz
Operation Bandwidth Wide Band
Gain ≥70dB ≥75dB
Output Power ≥18dBm ≥23dBm
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 9V/5A
Smart LED Smart function ON/OFF
AGC Alarm Alarm RED when ALC control 5dB-10dB
ISO Alarm

Alarm RED when ALC control 20dB-25dB

Then Repeater will Auto Shut Down

Auto restart after two minutes

Mechanical Specification
RF Connector  N-Female
Power Consumption 20W
Operating Temperature -20℃~ +55℃ 
Environment Conditions IP40(Indoor)
Installation Type Wall Installation
Dimensions (D x W x H ) 125*170*65mm
Booster Net Weight 1.52kg
Booster With Power Supply 2.5kg
Full sets with antenna and cable 3.5kg


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Product Recommended

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Company Information

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Q1. Could I get a sample before bulk order?

Yes, we offer the sample for all models but charged.

Q2. What should I do if I don't know about frequency in my country?

This model is suitable for Asia, Europe, The Middle East, and Brazil, etc.

*For more details please contact us directly.


Q3. Do you accept OEM/ODM order?
Yes, we can customize the brand logo, colors, and frequencies.


Q4.Payment Method
T/T, Western Union, Paypal, and Credit Card are available,
but we suggest paying by Alibaba Trade Assurance, the most favor, and security method.
*Other methods please contact us with more details.


Q5.Shipment Date

Sample 1-3 business days
<50 pcs 7-10 days
50-200 pcs 10-15 days
>200 pcs Negotiate

Q6: Delivery Date of the sample by DHL/FedEx

Russia/Canada/Europe/Asia 3-5 days
Middle East/Latin American 3-6 days
African 5-7 days



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