The RFC-1100A is a 433 MHz ISM‑band RF module designed for industrial control applications. It offers up to +20 dBm transmit power, 500 kbps data rate, and a low‑power sleep mode, with a compact 4 mm × 27 mm form factor.
The manual covers module introduction, electrical interface, pin description, working modes, configuration steps, programming instructions, contact information, and a short FAQ, giving developers the information needed to integrate the module into their designs. This manual is written in Chinese.
| Minimum operating voltage | 5 V / 3.3 V |
|---|---|
| Maximum transmit power | +20 dBm |
| Data rate | 500 kbps |
| TX current (max power) | < 300 mA |
| Temperature range | -40 °C to +85 °C |
| Typical sensitivity | -110 dBm |
No, the CSN pin is the SPI chip‑select and must be driven high for the module to accept data.