SI4438 Serial Transmission Micro Power Consumption 5.5V Wide Voltage UART Wireless Wake-Up 433MHz Wireless Digital Transmission Module
SI4438 Serial Port Micro Power Consumption 5.5V wide voltage UART Wireless Alarm Clock 433MHz Digital Wireless Transmission Module
Features:
UART interface, wide voltage 3.3v-5.5v,
Wireless alarm clock, 433M high speed rate 0.6-500kbps.
Automatic power-up, no additional operation required,
Direct serial port transmitting data.
Wide voltage design, integrated LDO power management,
Module can operate normally in the 3.3v to 5.5v voltage range.
Can be used directly without additional design.
Industrial grade power management and serial level conversion chip.
Dual antenna interface, the module provides an external antenna.
Supports wireless wake-up function, no need to master active wake-up,
Remote control can wake up electronic devices, fast and efficient.
Two operating modes, standard mode and wireless wake-up mode.
433M high-speed communication, stronger anti-interference capability,
Faster transmission and greater range.
Multiple transmission modes, 32 data channels for free choice, 256 configurable identifiers.
Fixed point communication mode, the module has its own internal address filter,
The same channel, rate, PID can communicate with each other.
Broadcast communication mode, same channel, same rate,
PID can communicate with each other.