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Connecting devices to IoT via wireless mesh networks

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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, routers etc.

TR ordering code

Data controlled (DCTR)

There is no difference between TR and DCTR (Data Controlled) transceiver versions from IQRF OS v4.02D. All TRs support both OS as well as DPA approaches.


  • License-free ISM bands 868/916/433 MHz
  • Compact highly integrated design
  • No external components required
  • Very small: 20.2 x 14.9 mm (TR-76D),
    25.0 x 14.9 mm (TR-76DA)
  • Microcontroller with operating system supporting Mesh
  • Serial EEPROM 32 KB
  • Up to 12 I/O pins, up to 3 analog inputs (A/D)
  • RF, SPI, UART and I2C interfaces supported
  • All IQRF TRs are bidirectional.
  • Extra low power consumption
    • Deep sleep: 56 nA
    • Sleep: sub-µA
    • Receiving:
      • 12 mA (STD mode)
      • 250 µA (LP mode)
      • 16.3 µA (XLP mode)
    • Transmitting: 8.3 – 21.5 mA (SW selectable)
  • Up to 189 RF channels (SW selectable)
  • Bit rate: 19.8 kb/s
  • RF output power: up to 8 mW (SW selectable)
  • Signal range: hundreds of meters or more, up to 240 hops/packet
  • Peripherals/options:
    • Temperature sensor
    • +3 V voltage regulator
    • 2 LEDs
  • Antenna options:
  • Mounting options:

TR block diagram

TR composition

Watch related tutorial videos:

IQRF wireless - videos
Basic demonstration video how to use IQRF IDE to open, modify, compile, upload and test C applications for IQRF transceivers.

IQRF wireless - videos
Network set up with IQRF DCTRs
One of the key IQRF tutorial videos demonstrates in practice how to set up a wireless network using IQRF Data Controlled Transceivers. Just follow this video and you will have your wireless Mesh network up and running within a few minutes.