433Mhz HC-12 SI4463 Wireless Serial Port Module

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11 items



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Wireless sensor
Community building security
Robot wireless control
Industrial remote control and telemetering
Automatic data acquisition
Container information management
POS system
Wireless acquisition of gas meter data
Vehicle keyless entry system
PC wireless networking

Product Features

Long-distance wireless transmission
Working frequency range (433.4-473.0MHz, up to 100 communication channels)
Maximum 100mW (20dBm) transmitting power (8 gears of power can be set)
Three working modes, adapting to different application situations
Built-in MCU, performing communication with external device through serial
The number of bytes transmitted unlimited to one time
Update software version through serial port

Product Introduction

HC-12 wireless serial port communication module is a new-generation multichannel
embedded wireless data transmission module. 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 in open space.
The module is encapsulated with stamp hole, can adopt patch welding, and its
dimension is 27.8mm×14.4mm×4mm (including antenna cap, excluding spring
antenna), so it is very convenient for customers to go into application system. There is
a PCB antenna pedestal ANT1 on the module, and user can use external antenna of
433M frequency band through coaxial cable; there is also an antenna solder eye
ANT2 in the module, and it is convenient for user to weld spring antenna. User could
select one of these antennas according to use requirements.
There is MCU inside the module, and user don't need to program the module
separately, and all transparent transmission mode is only responsible for receiving and
sending serial port data, so it is convenient to use. The module adopts multiple serial
port transparent transmission modes, and user could select them by AT command
according to use requirements. The average working current of three modes FU1, FU2
and FU3 in idle state is 80μa, 3.6mA an 16mA respectively, and the maximum
working current is 100mA(in transmitting state).

11 Items