SYN480R 315MHz ASK OOK Receiver Module

The SYN480R Receiver module is a highly integrated, single-chip ASK/OOK RF receiver module designed for wireless data reception at 315MHz. Unlike super-regenerative or superheterodyne designs that require manual coil tuning, this module performs all RF and IF tuning automatically on-chip, delivering a true "antenna-in to data-out" solution with minimal external components. The receiver achieves a sensitivity of -106dBm (per the Aftab Rayaneh page; the chip datasheet states -108dBm), enabling reliable detection of weak signals. It supports two data-rate modes: a sweep mode (SWP) at 2.5kbps for use with imprecise transmitters, and a fixed-frequency mode at 10kbps for better selectivity and sensitivity. The module operates on a wide supply voltage of 3.3V to 5.5V, making it compatible with both 3.3V and 5V microcontroller systems, and its compact 17.2 × 11.8 mm PCB fits easily into space-constrained designs. The 4-pin interface provides VCC, GND, DATA, and ANT connections, and the receiver does not include a dedicated decoder IC, so it can accept any ASK-encoded data and requires a separate microcontroller for decoding. Typical applications include remote controls, wireless alarms, home automation, short-range sensor data links, and automotive keyless entry systems. This RF receiver module is a practical choice for engineers and makers seeking a compact, low-power, and cost-effective 315MHz receiver solution.