HC-12 WIRELESS RF UART COMMUNICATION MODULE V2.4 USER MANUAL Version HC-12V2.4 Date 2016-12-02 HC12WIRELESSRFUARTCOMMUNICATIONMODULEV2.4USERMANUAL Specifications Long communication distanceAbout 1000 meters at default setting Operating frequency range433.4473.0MHz Transmit powermax: 20dBm Power supply voltageDC 3.2V ~5.5V Product introduction HC-12 wireless RF UART communication module is a new generation of multi channel embedded wireless data transmission module.Radio frequency of 433.4 - 473.0MHz, can be setting communication channel, step is 400kHz, a total of 100 channel. The module maximum transmit power is 100mW (20dBm), and -116dBm receiver sensitivity air of the 5000bps baud rate, communication distance about 500 meters. The module adopts a stamp hole encapsulation method, which can be welded. The module size is 27.4mm*13.2mm *4mm (including antenna seat, not including the spring antenna), which is convenient for the customer to be embedded in the application system. The module has a PCB antenna seat ANT1, users can use the coaxial cable, the use of 433MHz band external antenna. The module also has antenna welding hole ANT2, convenient user welded spring antenna. The user can choose one kind of antenna according to the request. The module contains MCU, users do not need to program in addition, just send and receive UART data. The module uses a variety of UART transmission mode, the user can choose according to the requirements of the use of AT command. The four UART modes of FU1, FU2, FU3, FU4, the average operating current is 3.6mA, 80 A, 16mA and 16mA, the maximum operating current is 100mA (full power transmit state). Product size WEBwww.hc01.com PAGE 1