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HC-12 433Mhz Wireless Transceiver Module

€16.08
€18.92

(SEM IVA 13.07€)

ElectroFun
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The HC-12 433MHz Transceiver is a wireless communication Module, which is based on the RF SI4463 chip, has a built-in microcontroller and can be configured by AT commands, the maximum output power is 100mW (20dBm) and the receiver sensitivity differs from: 117dBm to -100dBm, depending on the transmission speed. Accepts 3.2V - 5.5V and can be used with 3.3V and 5V UART voltage devices.

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HC-12 433Mhz Wireless Transceiver Module

The HC-12 433MHz Transceiver is a wireless communication Module, which is based on the RF SI4463 chip, has a built-in microcontroller and can be configured by AT commands, the maximum output power is 100mW (20dBm) and the receiver sensitivity differs from: 117dBm to -100dBm, depending on the transmission speed. Accepts 3.2V - 5.5V and can be used with 3.3V and 5V UART voltage devices.


Features:

• Long Distance Wireless Transmission (1,000m in Open Space / 5,000bps Transmission Rate in Air);
• Working Frequency Range (433.4-473MHz, up to 100 Communication Channels);
• Maximum Transmission Power of 100mW (20dBm) (8 Power Gears can be Adjusted);
• Three Working Modes, Adapting to Different Application Situations;
• MCU Built-in, which Communicates with an External Device through the Serial Port;
• The Unlimited Number of Bytes Transmitted at a Time.


Specifications:

• Working Frequency: 433.4MHz to 473.0MHz;
• Supply Voltage: 3.2V to 5.5V DC;
• Communication Distance: 1,000m in Open Space;
• Serial Transmission Speed: 1.2 Kbps to 115.2 Kbps (Standard 9.6Kbps);
• Reception Sensitivity: -117dBm to -100dBm;
• Transmission Power: - 1dBm to 20dBm;
• Interface Protocol: UART/TTL;
• Operating Temperature: -40ºC to +85ºC;
• Dimensions: 27.8x14.4x4mm.


Each HC-12 can operate in the following modes:

FU1 - Moderate Power Saving Mode with 250000bps Transmission Speed ​​"Over the Air". The Serial Port Baud Rate can be Set to any Supported Value.

FU2 - Extreme Power Save Mode with 250000bps Speed ​​"Over the Air". Serial Port Speed ​​is Limited to 1200bps, 2400bps and 4800bps.

FU3 - Standard, General Use Mode. "Over the Air" Speed ​​Varies with Serial Port Speed. The same goes for Maximum Range.

• 1200bps ~ 1000m;
• 2400bps ~ 1000m;
• 4800bps ~ 500m;
• 9600bps ~ 500m;
• 19200bps ~ 250m;
• 38400bps ~ 250m;
• 57600bps ~ 100m;
• 115200bps ~ 100m.

FU4 (Available in Version 2.3 or later): Long Range Mode. "Over the Air" Speed ​​is Limited to 500bps and Serial Port Speed ​​is limited to 1200bps. As the Air Speed ​​is Less than the Port Speed, only Small Packets can be sent - Maximum 60 Bytes with an Interval of 2 Seconds. In this Mode, Range is increased to 1800m.


The HC-12 that creates a Wireless Link has to work in the same mode (FU1, FU2, FU3, FU4) and with the same speed. The HC-12 can be Configured using the AT Command. The best way to do this is to use a USB to Serial Converter like the CP2102. To Put the HC-12 in AT Mode, Push the SET Pin to GND.


The Most Important Commands:

• AT - Test Command. It will return OK if the AT Interface is Enabled.

• AT + Bxxxx: Sets the Serial Port Baud Rate. For example, AT+B57600 Sets the Baud Rate to 57600bps.

• AT + Cxxx - Sets the Radio Channel. Channels start from 001 to 433.4MHz. Each Next Channel adds 400kHz. Channel 100 is 473MHz. AT+C002 Will Adjust Frequency to 433.8MHz. Two HC-12 Devices Creating a Wireless Link need to operate on the same Frequency.

• AT + FUx - Set Device Mode: FU1, FU2, FU3 or FU4. Two HC-12 Devices Creating a Wireless Link need to use the same Mode.

• AT + Px: Configures the Device Transmit Power. For example, AT + P2 Sets the Power to 2dBm (1.6mW).

• -1dBm (0.8mW);
• 2dBm (1.6mW);
• 5dBm (3.2mw);
• 8dBm (6.3mW);
• 11dBm (12mW);
• 14dBm (25mW);
• 17dBm (50mW);
• 20dBm (100mW).

• AT + RX - Retrieves All Parameters: Mode, Channel, Baud Rate, Power.

• AT + V - Retrieves the Module Version.

• AT + DEFAULT: Resets Module Parameters to Default Settings.


Includes:

• 1x HC-12 433Mhz Wireless Transceiver Module.

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