HC-12
HC-12 is backordered and will ship as soon as it is back in stock.
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- Same business-day for orders placed before 3 PM (GMT), except in rare cases when it may take 1 additional business day.
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Delivery Options
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- Delivery in 2–3 business days
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Standard (Large & Specialist Items)
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- Delivery in 2–14 business days (typically around 7 days)
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HC-12
£6.49
433MHz HC-12 SI4438 Wireless Serial Port Module (Bluetooth Alternative)
The HC-12 SI4438 is a 433MHz wireless serial port module designed for long-range serial communication. It offers adjustable transmission distance, multiple communication channels, and configurable power output, making it a practical replacement for Bluetooth in applications requiring extended range.
Key Features
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Operates in the 433MHz frequency band
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Adjustable communication distance up to 1000 m
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Supports up to 100 communication channels
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Configurable transmit power up to 100 mW
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Software upgrade support
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Multiple working modes with varying current consumption
Default Factory Settings
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Working mode: FU3
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Baud rate: 9600 BPS
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Communication channel: CH001 (433.4 MHz)
Electrical Characteristics
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Power supply voltage: 3.3 V
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Default idle current: 16 mA
Communication Performance
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Default communication distance: approx. 600 m
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Maximum communication distance: up to 1000 m (adjustable)
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Air baud rate: 5000 BPS
Technical Specifications
| Parameter | Specification |
|---|---|
| Operating frequency range | 433.4–473.0 MHz |
| Number of channels | Up to 100 |
| Maximum transmit power | 100 mW (settable) |
| Power supply voltage | 3.3 V |
| Default idle current | 16 mA |
| Module size | 27.8 × 14.4 × 4 mm |
This compact HC-12 wireless serial module provides flexible configuration options and reliable long-distance communication within the 433MHz band.
Let customers speak for us
Arrived very quickly and worked a treat.
This product is most likely. Compact and easy, daily use. 😉
Very good repair set at an excellent price! Arrived on time and came well-packed. Very pleased with it. Recommended seller.
Nice doing business, product was as described in description. Works as Indented, thanks.
For use at my soldering station to keep fumes out of my eyes
