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Our office will be closed on December 25 for Constitution Day. Orders placed after 17:00 on Dec 24 (UTC+8) will be processed from Dec 26. Orders placed after 17:00 on Dec 25 (UTC+8) will be processed from Jan 2, 2026, due to year-end inventory.
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The BM23C4214-1 is a RF receiver module with frequency band of 433MHz. The module has a built-in 8-bit Sub-1GHz OOK MCU, the BC66F2342-1. It supports I2C communication interface and is suitable for smart home appliances, door remote controllers and many other products.