The 315MHz RF receiver module is widely used in the field of vehicle Telecontrol, access control system, identification, etc. Compared with traditional wired communication, RF radio has the advantage of higher flexibility and lower maintenance cost. DFRobot 315MHz RF receiver module using SC2272-L4 low power decoder chip, with 8-bit three-state address coding switch, each one has three states: high level, low level, floating empty, so it supports up to 6,561 of the coding address. Modules can be used with SC2260, SC2262, PT2260, PT2262 and other coding chips, recommend our Remote Wireless Keyfob (315MHz) Connection Example – Gravity: I/O Expansion Shield V7 Specifications Power Supply: 3.3/5v (MAX5.5V) Module Interface: PH2.0-3pin Operating Frequency: 315MHz Modulation Mode: Ask Demodulation Mode: Superheterodyne type Sensitivity: Typical -108 dBi Transfer Rate: Maximum 9.6kbps Receive bandwidth: 1.25MHz (6dB) Antenna Impedance: 50 ohms RF chip: LR480 Decoding Chip: SC2272-L4 latch type Transmission Distance: 50 m (5V Power) Operating Temperature: 0~+70C Weight: 10g Resources Product Wiki Package Contents 1xGravity: 315MHZ RF Receiver Module