Specifications:

• Certification: CE
• Origin: CN(Origin)
• Work for: Band3 and GSM 900MHz cell phones signal
• RF Connector: N-Female
• Power Supply: AC 100~240V , 50/60Hz DC 12V 2A
• Output Power: 21dbm
• Model Number: GB21-GD
• Material: Metal Outer Casing
• Improvement: 2G Voice 2G 4G LTE Internet
• Gain: 70dB
• Frequency Range: GSM 900MHz & DCS 1800MHz
• Frequency Band: Band3 & GSM 900
• Feature: 2G/4G network of Claro,Movistar,Entel,Tigo
• Brand Name: GOBOOST
• Bandwidth: 25M+75M
• Band: Dual Band