NewMsgTech RF4432A wireless module is a small, low-power, ISM band wireless transceiver module with a frequency range of 240-960MHZ, with a maximum output power of 33dBm (about 2W), which meets the needs of various applications and makes distance no longer a problem for wireless applications.
The Si4432 wireless module from NewMsgTech is a compact, low‑power RF transceiver that operates in the 240‑960 MHz ISM band. It integrates all RF functions, allowing developers to create stable wireless products without deep RF knowledge.
The manual covers hardware specifications, pin definitions, power‑supply recommendations, SPI programming functions, and detailed operating modes such as shutdown, standby, transmit and receive. It also lists typical applications and warranty information. This manual is written in Chinese.
| Frequency range | 240‑960 MHz |
|---|---|
| Receive sensitivity | -115 dBm |
| Communication baud rate | 1‑128 kbps |
| Transmit power (typical) | 11‑20 dBm |
| Shutdown current | 10 nA |
| Sleep current | 300 nA |
| Chip operating voltage | 1.8‑3.6 V |
| Maximum transmit power | 33 dBm |
| Maximum data rate | 128 kbps |
| Operating temperature range | -40 °C to +85 °C |
It operates from 240 MHz to 960 MHz.
The module can transmit up to 33 dBm under maximum power settings.
The VCC5 pin accepts 4 V to 5 V, with a recommended 4.5 V.