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433MHz FSK Transceiver Module BM3601-04-1

US$ 2.94
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The BC3601 is a high performance and low cost FSK/GFSK RF transceiver IC from Holtek that operates in the license-free 315MHz, 433MHz, 470MHz, 868MHz, and 915MHz ISM (Industrial, Scientific and Medical) bands.

This module BM3601-04-1 is a BC3601 based FSK RF transceiver module operating at 433MHz. It communicates with the host MCU via a 3-wire or 4-wire SPI interface. It was formerly named BCM-3601-X02-U43, now it is named BM3601-04-1, there are no other changes.

If you need a low power version, please refer to BC3602 and BM3602-04-1. The low power version is more suitable for battery-powered products, but its maximum output power is also lower.


  1. This product does not include an antenna, you need to prepare the antenna that match your need.

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  1. Operating voltage: 2.0V – 3.6V
  2. Data rate: 2Kbps – 250Kbps
  3. Output power:+17dBm (max.)
  4. Operating current: 13.0mA typ. @ 3.3V, RX 10Kbps
  5. Receiver sensitivity: -120dBm @ 2K symbol rate & BER=0.1%
  6. SPI interface
  7. Modulation type: FSK
  8. 12-pin stamp hole interface
  9. Operating temperature: -40℃ - 85℃

Product Information

  1. Dimension: 15.0 x 18.5 x 2.5(mm)
  2. Weight: 0.7 g
  3. Packing List: BM3601-04-1 x 1


Module: Holtek BM3601-0x-1, Sub-1GHz FSK Transceiver Module
IC: Holtek BC3601, Sub-1GHz FSK/GFSK RF Transceiver
Application Note: AN0480E BC3601 Development Board Application Note (with example codes and schematics)
Application Note: AN0481E BC3601 Application Note

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