Latest ISM Band Digital Voice And Data Transceiver


Supports digital voice modes that include peer to peer, group call and broadcast, along with an SMS data mode

RFMW, Ltd. announces design and sales support for CML Microcircuits’ SCT2400.

The CML SCT2400 is a highly integrated digital voice and data transceiver that operates in the 2.4GHz unlicensed ISM band and provides a secure, long range digital voice and data communication link of upto 12km line-of-sight, but with extremely low power consumption.


The device can be used as a replacement for a Two-way Radio (PMR (Private Mobile Radio)/LMR (Land Mobile Radio)) system or as an intercom function. CML’s voice coding expertise and advanced forward error correction maintains clarity and security for such long range/low power radio systems.

Operating in an unlicensed frequency bands means that the product is suitable for most countries around the world. Manufacturers can now offer a single design to the largest possible market rather than having region specific products.

The SCT2400 integrates a high performance radio transceiver, baseband processing including digital voice and data coding. The device requires only a few external components to complete a small form factor radio design.

Key Features

  • 100 mW output power is achieved while consuming 10 mA in scan mode, 52 mA when receiving voice and 64 mA when transmitting voice.
  • 3V supply.
  • Small size (10mm by 10mm, 144-BGA package).

This chip can be used in portable, mobile and wearable products, including fitness trackers, smart clothing and wireless headsets.

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