ADF7021 is a low-power, high-integration 2FSK/3FSK/4FSK narrowband transceiver chip launched by ADI (Analog Devices) company. The chip has high receiver sensitivity and programmable output power, suitable for high-reliability applications such as wireless automatic meter reading, industrial control and automation, and remote security systems.
This manual provides an overview of the NewMsgTech ADF7021 wireless module, a low‑power RF transceiver operating from 80 MHz to 650 MHz. It includes key features, electrical characteristics, and pin definitions for integration into custom designs.
The document details the module's pinout, supply requirements, output power levels, data‑rate options, and register settings. It also contains example code snippets for configuring the device via SPI and guidelines for proper PCB layout and antenna placement.
| Frequency range | 80 MHz – 650 MHz |
|---|---|
| Maximum output power | -113 dBm (25 kbps, 2FSK) |
| Data‑rate range | 0.05 kbps – 32.8 kbps |
| Operating temperature | -40 °C to +85 °C |
The module operates from 80 MHz up to 650 MHz.
The maximum output power is -113 dBm at 25 kbps using 2FSK modulation.