The 900/1800/2100MHz (Band 8,Band 3,Band 1) BA-GDW20 tri band signal booster is developed and produced by BSD Tech in SZ China,Its working principle is the downlink amplifies the strongest cell phone signal from cell tower which is captured by the outdoor antenna,and the uplink works to receive the cellphone signal,after amplification and transmit to the cell tower.
As We Know That All of the Europe,Asia,Africa,Australia Country Carriers Used 900Mhz Band 8,And 1800Mhz Band 3 For the GSM Voice Call service,And Used 2100Mhz for 3G Network.And Most of The Carriers Used 1800Mhz for LTE 4G Data Service.
So This Tri Band 900/1800/2100Mhz Signal Booster Will Work For Your 2G And 3G Surely.
If You Are Not Sure It Works For Your LTE 4G,Please follow the below step to check it.
Android Phone Users:
Please download the APP"Cellular z" or "Network cell info lite" from google play store,and install it on your phone,open the APP, you can find the Band Number ,If the LTE 4G Band number is Band 8,or Band 3,or Band1 ,congratulations,our this tri band 900/1800/2100 signal booster will work for your 2G 3G 4G at the same time.
iPhone Users please follow the below step:
1,Dial the code *3001#12345#*
2,Click on the "Serving cell info"
3,Find the band number in "Freq Band Indicator"
Anyway,if you can not find the band number ,please feel free to send message to us.
So far,theTri Band 2G 3G 4G 900/1800/2100 Signal Booster is hot sale in Saudi Arabia,Israel,UAE,Kuwait,Philippines, India, Singapore, Japan, South Korea, Australia, Bahrain ,Oman ,Qatar, Thailand.
The Full Kits included:
1,Tri band 900/1800/2100 booster*1
2,Outdoor 12dBi Log-periodic antenna
3,Indoor 7dBi panel antenna
4,Outdoor 15 meter coaxial cable
5,Indoor 5 meter coaxial cable
6,Power supply and other mounting accessaries .
Frequency Range: Uplink890-915/1710-1785/1920-1980MHZ
Max Gain: 72dB
Auto Gain Control:20dB Min.
Spurious Emission:= -15dBm/30kHz 9kHz~1GHz: = -36dBm/30kHz 1GHz~12.75GHz: = -30dBm/30kHz
In-band Ripple: = 5dB
Voltage Standing Wave Ratio:<=2I/O
Weight: = 1kg
Indication LCD:Signal status,Self-oscillation warning and protection,Fault warning
1,Walk around your roof to find the strongest signal and fix the outdoor antenna.
2,Connect the outdoor antenna to the BS port of the booster by the cable provided
3,Ensure the VERHICAL distance from outdoor to indoor antenna at least 6 meters
4,Indoor antenna connect to MS port by the indoor cable provided.
5,Outdoor antenna must be isolated with the concrete wall from indoor antenna.
6,Connect the booster to the AC supply once all the connections done.
7,Make sure the outdoor signal strong enough to cover the area you need
30 days money back
3 years warranty