315Mhz Wireless RF Transmitter Module + Receiver Alarm Arduino DIY

TX Working voltage: 3V-12V. Working current: 20-28mA. Resonance mode: sound wave resonance (SAW) Modulation mode: ASK /OOK RX Working voltage: 5.0VDC. Static current:4MA Working principle: single chip super regeneration receiving Working voltage: 3V-12V Working current: 20-28mA. Working temperature: -10 degree to +70 degree Resonance mode: sound wave resonance (SAW) Modulation mode: ASK /OOK Working frequency: 315MHz 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 Working voltage: 5.0VDC Static current:4MA Working temperature: -10 degree to +70 degree Working principle: single chip super regeneration receiving Working method: OOK/ASK Working frequency: 315MHz Bandwidth: 2MHz (315MHz, having result from testing at lowing the sensitivity 3dBm) Sensitivity: excel ¨C100dBm (50¦¸) Transmitting velocity: 9.6Kbps (at 315MHz and -95dBm) Package Included: 1 Pair 315Mhz Wireless RF Transmitter Module + Receiver Alarm Arduino DIY  This product is DIY kit, NOT the end product!  We don't provide technical assistance please make sure that you are familiar with the product before purchasing.