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HC-12 v2.6 RF Serial Data Link UART, 433 Mhz, +20dBm

China
Price=1,200
B394
In stock
+

Based on proven Silab's SI4463 RF Chip and STM8 MCU on single module making it easy to use with serial UART data. The serial RF module is a low cost, high performance transparent FSK transceiver with operating at 433 MHz. It features small size, high output power, high sensitivity, long transmission distance and high communication data rate with auto set up for communication change and data receiving and transmission control. With the UART interface, it is easy to setup the wireless data transmission with only providing the UART data. It is flexible for the users to set the UART baud rate, frequency, output power, data rate, frequency deviation, receiving bandwidth etc parameters. It is your ideal choice for designing wireless data transmission products which can be widely used on wireless data transmission field.

Its wireless working frequency band is 433.4-473.0MHz, multiple channels can be set, with the stepping of 400 KHz, and there are totally 100 channels. The maximum transmitting power of module is 100mW (20dBm), the receiving sensitivity is -117dBm at baud rate of 5,000bps in the air, and the communication distance is 1,000m(1 Km) in open space (600 meters indoor). 

The single module can not work on its own, please get two or more of these modules to setup working link.

Features

  • Frequency band is 433 MHz
  • Multiple types of serial port transparent transmission modes have respective features, and the mode is changed by command
  • No need to program the modules. Ready to use out of box
  • Low current consumption; the idle current is 3.5mA(RX mode) or 100mA(TX mode during transmit maximum output)
  • All functions and parameters are changed by command, and can be saved in case of power failure
  • The number of bytes sent to serial port of module unlimited to one time

Specification

  • Working frequency: 434Mhz433.4-473.0MHz, up to 100 communication channels
  • Supply voltage: 3.3V to 5VDC
  • Communication distance: 1m to 1000m (1KM open space) (500-600 mts indoor)
  • Serial baud rate: 1.2Kbps to 115.2Kbps (default 9600 Kbps)
  • Receiving sensitivity: -117dBm to -100dBm
  • Transmit power adjustable: -1dBm to 20dBm (default maximum)
  • Interface protocol: UART/TTL
  • Operating temperature: -40℃ to +85℃
  • Dimensions: 27.8mm x 14.4mm x 4mm

Application

  • Sensor Networks / Data collection
  • Wireless metering
  • Access control / Identity discrimination
  • IT home appliance
  • Smart house products / Security Systems
  • Remote control / Remote measurement system
  • Weather stations

Typical Application

When setting a RF serial data communication between microcontrollers or a microcontroller to PC, the RF modem is most useful and easy to implement.

 Pin definition

  • VCC = Regulated 3.3V or 5V supply input of atleast 200mA current capacity. 
  • GND = Ground level of power supply. Must be common ground with microcontroller.
  • RXD = Receive Input:  Input serial data of 3 to 5V logic level, Usually connected to TXD pin of microcontrollers UART
  • TXD = Transmit Output: Output serial data of 3 to 5V logic level, Usually connected to RXD pin of microcontrollers UART
  • SET = Setting Mode (Internally Pulled High) - Leave floating(High) is normal mode. To enter config mode pull the pin low either from switch or external MCU and send AT commands to configure.

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