Home gsm signal booster for cellphone repeater mobile phone signal booster 3g 4g

Model Number: SX2B20D-XL
Type: 5g signal booster
Place of Origin: Guangdong, China
Brand Name: AYS
Network: 4g, GSM, 3G
network: CDMA/GSM/DCS/WCDMA/LTE
Frequency: 800mhz/850mhz/900mhz/1800mhz
gain: 70dB
customizaion: support oem/odm
application: home/office/school/ basement..
Ripple in Band: ≤5dB
coverage: 500-1500sqm
VSWR: ≤2
output power: 23dbm
band: dual band