The high frequency receiver module adopts imported SMD device, 6.5G high frequency transistor, high Q value inductance production, stable and reliable performance, high sensitivity, low power consumption, quality and cheap, widely used in various anti-theft system, remote control system. Scope of application: 1. reception of various low-rate digital signals; 2. Industrial remote control, telemetry, remote sensing 3. Anti-theft alarm signal reception, a variety of household appliances such as remote control. Technical indicators: Operating Voltage 3V / 5.0VDC ± 0.5V Working current ≤ 3mA (5.0VDC) working principle Super regenerative Modulation mode OOK / ASK Frequency Range 250MHz-450MHz Bandwidth 2MHz (315MHz, sensitivity down 3dBm test) Sensitivity Better than -105dBm (50Ω) Rate <5Kbps (315MHz, -95dBm) Antenna length 24 cm (315 MHz), 18 cm (433.92 MHz)