HC-12
HC-12 sipariş verilmiştir ve tekrar stokta olduğunda en kısa sürede gönderilecektir.
Delivery and Shipping
Delivery and Shipping
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Free Returns
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HC-12
$10.00
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.



