Working voltage: 3V-12V Working current: 20-28mA. Working temperatur: -10 degree to +70 degree Resonance mode: sound wave resonance (SAW) Modulation mode: ASK /OOK Working frequency: 315MHz-433.92MHz, customized frequency is available. Transmission distance:>500m,sensitivity to -103dBm, in open areas. Transmission power: 25mW (315MHz at 12V) Frequency error: +150kHz (max) Velocity: ¡Ü10Kbps Self-owned codes: negative RX Technical Specifications: Working voltage: 5.0VDC Static current:4MA Working temperatur: -10 degree to +70 degree Working principle: single chip superregeneration receiving Working method: OOK/ASK Working frequency: 315MHz-433.92MHz, customized frequency is available(266-433MHZ). Bandwidth: 2MHz (315MHz, having result from testing at lowing the sensitivity 3dBm) Sensitivity: excel ¨C100dBm (50¦¸) Transmitting velocity: <9.6Kbps (at 315MHz and -95dBm)