RF Solutions ZETAPLUS-433-SO FM RF Module 433 MHz, Transceiver, Through Hole, 1.8 - 3.6V, ZETA Series

The RF Solutions ZETAPLUS-433-SO is a miniature FM radio frequency transceiver module engineered for robust wireless communication in the 433 MHz ISM band. As a member of the ZETA series, this module integrates advanced RF circuitry optimized to deliver high sensitivity and low power consumption for modern industrial and embedded applications.

Operating from a supply voltage between 1.8V and 3.6V, the ZETAPLUS-433-SO supports both SPI (Serial Peripheral Interface) and UART connectivity, ensuring compatibility with a wide range of controllers and systems. Its FM modulation capability offers reliable and interference-resistant communication, crucial for industrial automation, wireless telemetry, and control environments.

This module provides a maximum RF data rate of up to 500 kbps, enabling fast payload transmission for time-sensitive operations. The high output power of +13 dBm combined with a receiver sensitivity of - 116 dBm results in exceptional communication range, often exceeding many standard modules in comparable environments. A highly tuned internal RF network and antenna matching are included, enhancing signal integrity and extending real-world distance up to approximately 2 kilometres in open field conditions, when optimally deployed.

The ZETAPLUS-433-SO boasts a 64-byte transmit/receive FIFO and ultra-low power draw, measured as approximately 10 mA in receive mode and 18 mA in transmit mode. A built-in battery voltage detector using an 11-bit ADC allows for advanced battery management features in portable or remote IoT applications.

This transceiver is supplied in a 16.5 mm × 16 mm × 1 mm through-hole module, making it ideal for space-constrained PCB mounting in both prototype and high-volume production designs. Its wide operating temperature range from - 40°C to +85°C ensures reliable operation in challenging industrial and outdoor environments.

Typical use cases include industrial process control, wireless sensor nodes, building and home automation, remote metering, environmental monitoring, and any project demanding stable and efficient wireless connectivity within the 433 MHz spectrum. The module is based on the Silicon Labs Si4455 chip, known for its reliable RF performance.

Combining robust hardware, multi-protocol support, and industry-friendly physical properties, the RF Solutions ZETAPLUS-433-SO helps accelerate the development of wireless solutions for manufacturing, laboratory, and commercial deployments.

Optimize your wireless application solutions by browsing more RF Modules and communication products from RF Solutions and discover the complete ZETA series for scalable network designs.