IC transmitter/receiver - CMT2300A


The CMT2300A is an ultra-low-consumption, high-performance OOK, FSK, MSK, GFSK and GMSK transmitter-receiver for various wireless applications from 213 to 960 MHz.
Thanks to high-level integration, CMT2300A simplifies external nomenclature. Power up to 20 dBm Tx and sensitivity of -120 dBm optimize the performance of the RF link. It supports multiple formats of data packets and data encoding/decoding engines, and meets the data format requirements of different applications.
The CMT2300A operates with a power voltage of 1.8 to 3.6V. It consumes only 6.9 mA of power while offering a reception sensitivity of 120 dBm and consumes only 300 nA in standby condition, making it an ideal solution for battery-powered applications. The 13 dBm transmission consumes only 27 mA.

The main specifications

  • Frequency Range: 213 to 960 MHz
  • Modulation: OOK, (G)FSK and (G)MSK
  • Data Rate: 0.5 to 250 kbps
  • Sensitivity:
    - 120 dBm at 2.4 kbps, FRF - 433.92 MHz

- 109 dBm at 50 kbps, FRF - 840 MHz

- 109 dBm at 50 kbps, FRF - 920 MHz

  • Voltage Range: 1.8-3.6V
  • Tx Current: 27 mA - 13 dBm, 920 MHz, FSK
  • Rx Current: 6.9 mA - 433.92 MHz, FSK
  • Support Super Low Power Mode
  • Sleep Current

- 300 nA when sleep timer is off

- 800 nA when sleep timer is on

  • 4-wire SPI Interface
  • Support Direct Mode and Packet Mode
  • Configurable Packet Handler and 64-Byte FIFO
  • Manchester, Data Whitening and Forward Error Correction
  • 16 Pin QFN 3x3 Package



Home automation and building automation
Communication of ISM tape data
Industrial monitoring and controls
Remote control and alarm system
Remote keyless entry
Networking wireless sensors
Beacon Readers

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