... (optional)Operating Voltage : DC9VOperating current : ≤ 85mATransmitting power : <1wTransmitting distance:3000(open space , receiving sensibility : -108dBm)frequency deviation: ± 0.2MHzData rate: 3 ... , security systems, Remote controlling devices,Motor-driven curtain, roller blind door, garage / gate barriers, motorcycle, long-range wireless remote control products ...