An IQRF transceiver (TR) is a tiny intelligent electronic board with complete circuitry needed for implementation of wireless RF connectivity. It is a basic communication component of the IQRF platform, used also in all IQRF gateways, repeaters etc.

See versions on https://www.iqrf.org/products/transceivers.

Key features (depending on the hardware type)

• License-free ISM bands 868/916/433 MHz
• No external components required
• Small: 20.2 x 14.9 mm (TR-76D), 25.0 x 14.9 mm (TR-76DA)
• Microcontroller with an operating system (OS) supporting Mesh
• All TRs support both OS, as well as DPA, approaches.
• All IQRF TRs are bidirectional.
• Serial EEPROM 32 KB
• Up to 12 I/O pins, up to 3 analog inputs (A/D)
• RF, SPI, UART, and I2C interfaces supported
• Extra low power consumption
• Up to 189 RF channels (SW selectable)
• Bit rate: 19.8 kb/s
• RF output power: up to 10 mW (SW selectable)
• Signal range: hundreds of meters or more, up to 240 hops/packet

Details: https://www.iqrf.org/products/transceivers