CC1101 868 MHz RS-232 SPI RF module for wireless IoT communication

CC1101 868 MHz RS-232 SPI RF module for wireless IoT communication for ESP8266 for ESP32 for Arduino for Raspberry Pi

The RF 868 MHz CC1101 radio module is an advanced solution for wireless data transmission. It is an ideal choice for IoT systems, smart homes, and alarm systems. Operating at 868 MHz in the ISM band, the module provides reliable communication. High sensitivity and low power consumption make it well suited for applications that require stability and energy efficiency.

The device enables bidirectional communication-both sending and receiving data. It offers advanced features that support transmission stability, including data buffering, burst mode, Wake On Radio, and link quality analysis. The kit includes a dedicated antenna that improves range and radio signal quality.

Key technical specifications

• Supply voltage: 1.8 V - 3.8 V
• Communication interface: SPI
• Current consumption (receive): 14.7 mA
• Current consumption (sleep): 200 nA
• Sensitivity: -112 dBm at 1.2 kBaud, 868 MHz, 1% packet loss
• Supported modulations: GFSK / 2-FSK / ASK / OOK / MSK
• Data rate: 0.6 - 600 kbps
• Power saving: Wake On Radio function
• Pin pitch: 2 mm
• Dimensions: 17 mm x 19 mm

Pin configuration

• VCC - Power supply (analog) 1.8 V - 3.6 V
• GND - Ground
• MOSI - Digital input, SPI interface, data input
• SCLK - Digital input, SPI interface, clock input
• MISO - Digital output, SPI interface, data output (optional general-purpose output when CSN is high)
• GDO2 - Digital I/O, programmable clock output
• GDO0 - Digital I/O, programmable clock output
• CSN - Digital input, chip select, active low
• ANT - RF I/O, antenna connection

Example applications

• Building energy-efficient sensor nodes in IoT networks
• Wireless communication in smart building systems
• Data transmission in alarm and monitoring systems
• Remote control of devices using microcontrollers
• Reading data from wireless measurement and telemetry systems

Benefits

• High reliability of transmission in the 868 MHz ISM band
• Very low current draw in sleep mode (200 nA), ideal for battery power
• Versatility thanks to support for multiple modulation types
• Easy integration with popular microcontrollers via the standard SPI bus
• Ready to use with the included antenna that improves range