Outside Omni Tube antenna 800-2500MHz Wide Band Frequency for Cellphone Signal Booster Repeater Amplifier Color: White Compatible Phone Manufacturer: All Phones Work on 800-2500MHz Compatible Carrier: All Carriers Work on 800-2500MHz Support Network: 3G GSM CDMA W-CDMA EGSM Frequency: 8dBi Gain: N-female