SMAKN SI4432 wireless module 1000meters long distance 868mhz

*Ultra-thin ultra-small (16.5 ?17mm). *Good harmonics too easy to FCC / CE certification. *The penetration ability (measured through 8 floors). *Using the latest version of the U.S. SI4432 IC, stable performance. Features: *Frequency range: 868mhz. *Sensitivity up to-121dBm. *Maximum output power: 20dBm. *Ddata transfer rate:0.123-256kbps. *FSK, GFSK and OOK modulation. *Power supply: 1.8-3.6 V. *Ultra-low-consumption shutdown mode. *Digital received signal strength indication (RSSI). *Wake time. *Automatic matching and two-way antenna switch control. *Configurable packet structure. *Preamble detection. *64-byte send and receive data register (FIFO). *Low power detection. *8-bit ADC and temperature sensor. *Operating temperature range: -40 ~ +80C. *Integrated voltage regulator. *Frequency hopping. *Power-on reset function. *Built-in lens adjustment . Applications: *Remote Control. *Remote meter reading. *Home security alarm and remote keyless entry. *Industrial Control. *Telemetry Home Automation. *Personal data records. *Toy Control. *Sensor networks. *Tire pressure monitoring. *Health Monitoring. *Wireless PC peripherals. *Tag readers . Feedback: We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help. Our team is to provide Top Level Customer Service, so we will try our best to solve any problem.Thank you very much!