The weBoost Drive Reach OTR is the most powerful multi-user, in-vehicle cell signal booster for semi-trucks. Specifications•Compatibility: Amplify The Cell Phone Signal In Semi-Truck•Type: 5G Data/ Voice/ Text/ High-Speed Internet•Maximum Gain (dB):50 Decibel•Frequency Range: 700 Megahertz At Band 12/ 13/ 17/ 850 Megahertz At Band 5/ 1900 Megahertz At Band 25/ 2•Power Rating: 12 Volt/ 1.8 Amp•Length (IN):6 Inch•Width (IN):4-1/2 Inch•Height (IN):1-1/2 Inch•With Antenna: Yes Ideal For Semi-Trucks & OTRs Best Booster For Remote Areas | Weboost Drive Reach OTR Mobile Signal Booster Kit