... crushers, lighting, conveyor belts, hydraulics etcWorking frequency315 MHzHigh-frequency channels64Unique codes4.3 billionsPower supply110/ 220V/380V/VAC, ... distanceApprox. 100MRecommended transmitterF21 series transmittersF21-2S/D Crane remote controlTransmitterF21-2S-TXDimension: 130*45*22 mmWeight: 60g ... Electronic Co., Ltd(for Industrial wireless radio remote control)www.uting-china.comTel: 86-0574- ...