User Manual
HC‐12WIRELESSRFUARTCOMMUNICATIONMODULEV2.4USERMANUAL
WEB：www.hc01.com
PAGE 1
Specifications
Long communication distance（About 1000 meters at default setting）
Operating frequency range（433.4—473.0MHz）
Transmit power（max: 20dBm）
Power supply voltage（DC 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, 80μA, 16mA and 16mA, the maximum
operating current is 100mA (full power transmit state).
Product size