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HC-12 Wireless RF UART Communication Module
HC-12 Wireless RF UART Communication Module
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- This is HC-12 433 SI4463 Wireless Serial Module
- Best wireless RF UART communication module for embedded systems
- Operates on a radio frequency range of 433.4-473.0MHz with 100 communication channels
- Maximum transmit power of 100mW (20dBm) and a receive sensitivity of -116dBm with a baud rate of 5000bps
- Stamped hole encapsulation method and compact size of 27.4mm13.2mm4mm (including antenna seat but excluding the spring antenna)
- MCU equipped and supports AT commands for UART transmission mode selection
- Based on SI4463 EZRadioPro family chip by SiLabs and offers a transmission and reception range of up to 1 km in open air environments.
HC-12 Module Wireless RF UART Communication Module
The HC-12 wireless RF UART communication module is a next-generation wireless data transmission module for embedded systems. It operates on a radio frequency range of 433.4-473.0MHz and can be configured to use any of its 100 communication channels, with each channel having a step size of 400kHz. The module has a maximum transmit power of 100mW (20dBm) and can receive signals as low as -116dBm with a baud rate of 5000bps, providing a communication distance of about 500 meters.
This Rf module is designed using a stamped hole encapsulation method, which makes it easy to weld. Its compact size of 27.4mm13.2mm4mm (including antenna seat but excluding the spring antenna) makes it convenient for embedding into the application system. The module comes with a PCB antenna seat ANT1, and users can also use an external antenna in the 433MHz band by connecting a coaxial cable.
The HC12 Module also features an antenna welding hole ANT2 for attaching a spring antenna, giving users the option to choose the antenna type based on their requirements. The module is equipped with an MCU, eliminating the need for additional programming. Users can simply send and receive UART data using one of the four UART modes of FU1, FU2, FU3, or FU4, which have an average operating current of 3.6mA, 80μA, 16mA, and 16mA, respectively. The module also supports AT commands for UART transmission mode selection.
The HC12 module is based on the SI4463 EZRadioPro family chip by SiLabs and offers an impressive wireless data transmission and reception range of up to 1 km in open air environments. The module is low power and very user-friendly.
Features
- IEEE 802.15.4g compliant
- Frequency range = 119–1050 MHz
- Receive sensitivity = –126 dBm
- Serial TTL (RX, TX, GND) interface
- Modulation (G)FSK, 4(G)FSK, (G)MSK, OOK
- Max output power +20 dBm
- Low active power consumption 10/13 mA RX, 18 mA TX at +10 dBm
- Ultra low current powerdown modes 30 nA shutdown, 50 nA standby
- Data rate = 100 bps to 1 Mbps
- Fast wake and hop times
- Highly configurable packet handler
- TX and RX 64 byte FIFOs
- Auto frequency control (AFC)
- Automatic gain control (AGC)
- Low BOM
- Low battery detector
- FCC Part 90 Mask D, FCC part 15.247, 15,231, 15,249, ARIB T-108, T-96, T-67, RCR STD-30, China regulatory
- ETSI Class-I Operation with SAW
Applications
- Replacing Bluetooth in short-distance data transmission areas
- Enabling wireless communication between two microcontrollers from a certain distance
- Transferring telemetry data from UAVs
- Wireless serial port communication
- Embedding into various application devices due to its stamp holes edge design
Package Includes:
- 1 x HC-12 433 SI4463 Wireless Serial Module
- 1 x Compatible Coil
Specifications
| Supply voltage | 3.2V~5.5V |
| Default idle current | 16MA |
| baud rate | 5000bps |
| Operating frequency range | 433.4-473.0MHz |
| Dimensions | 27.8 x 14.4 x 4mm |
| Weight | 25 grams |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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1. What is HC 12 Module?
HC 12 Module is a half-duplex multi-channel wireless transceiver module. It can be easily used to create a wireless communication between two microcontrollers. It is a 433 mHz transceiver that easily allows one Microcontroller to transfer or receive data to another microcontroller. The HC 12 module (HC12) is also known as si4463 wireless serial module. It is a low-cost transceiver module. One can easily buy HC 12 from Robocraze.
2. How do you use HC 12?
HC 12 module does not require any additional libraries that makes it extremely easy to use. The transferring and receiving of data can be done through transmitter (Tx) and Receiver (Rx) pins respectively. So, all you need to do is send data from transmitting Arduino and Receive data to Receiving Arduino.
3. How do I pair HC12?
To pair the HC12 Module with Arduino Uno follow the below mentioned steps:
- Connect the HC 12 Module’s VCC pin to the 5V pin in Arduino Uno.
- Connect the HC-12 module ground pin to Arduino’s ground pin.
- Connect the Set, Tx and Rx Pins with any digital Pins of Arduino.
That’s it. Next Upload the program through the Arduino IDE.
