Data sheet: Frequency: B8/B3/B1 900/1800/2100 MHz Data Signals: Messages & Calls & Data Application: Home, Office Room, Bedroom, Packing lot etc... Gain: 65dB Output Power: 20dBm RF Connectors Type: N Female Coverage: 300~500 Sqm(M2) Warranty: 2 Years (Included) Dimensions: 265*240*60mm Weight: 1.2KG Voltage: AC 100~240V, Output DC 12V/2A OEM Service: MOQ 50PCS (Print Your Brand Logo) Coverage in square metres Number of supported users Up to 150 sq m Up to 50 users Up to 300 sq m Up to 100 users Up to 600 sq m Up to 150 users Up to 1500 sq m Up to 200 users Features: 1. Compact size with stable performance. 2. Support antenna isolation detection. 3. Designed for indoor application. 4. lcd display available for both uplink and downlink. 5. Low interference & Oscillation prevention. 6.Cost-effective for practical solutions. 7.Extend phone battery life. 8.works for gsm dcs umts lte 2g 3g 4g signals. Kit accessories recommend: 1x repeater 1x indoor antenna 1x outdoor LPDA antenna 1x power adapter 1x 10 meters outdoor cable 1 x 5 meters indoor cable if any questions or problems please feel free to contact me, Send me email or chat with me directly for your requirements! Thx for inquiring-Sigbari! & you are welcome to visit us!