Dual Mode Bluetooth® 5.3 radio for Ultra-Low-Power portable audio applications.

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Overview

RSL20 is an Ultra−Low Power 2.4 GHz radio supporting Bluetooth® Audio specifically designed for use in high−performance hearing aids and earbuds.

RSL20 is a versatile Bluetooth Audio radio. It is a Dual−Mode Bluetooth device as it supports both Bluetooth Classic (BR and EDR) and Bluetooth Low Energy, with compliance with the Bluetooth Core Specification Version 5.3.

RSL20 supports LE audio with Auracast™, the new Bluetooth Low Energy broadcast audio streaming feature and Unicast  streaming. It also supports Bluetooth Classic profiles such as A2DP and HFP.

RSL20 includes a Near Field Magnetic Induction (NFMI) RF front−end, capable of streaming audio content and control messages at very low power and low latency. The NFMI link can be used to support binaural algorithms and True Wireless Stereo (TWS).

RSL20 is optimized for audio applications. It includes a two−channel DMIC input and one audio Output Driver.

Please contact your Sales Representative or Specialist Partner Seltech for more information about the RSL20.

  • Ultra Low Power portable audio applications
  • Hearing Aids
  • True Wireless Stereo (TWS) Earbuds
  • Headsets / Headphones
  • Dual Mode Bluetooth® 5.3, allowing connectivity and streaming to all phones.
  • Lowest power consumption Bluethooth Classic audio streaming.
  • Integrated NFMI Front-end.
  • Audio IO interface.

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Case Outline

MSL Type

MSL Temp (°C)

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WDRC Channels

Graphic EQ Bands

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NCH-RSL20-103WC61-ABG

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CAD Model

Pb

A

H

P

WLCSP62 3.004x2.419

1

260

REEL

5000

No

~NA~

~NA~

~NA~

~NA~

~NA~

Datalogging

Firmware Upgradeable

NFMI Wireless Transceiver

2.4 GHz Proprietary

Bluetooth® Low Energy

NFMI

Price N/A

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