3pcs HC-12 433Mhz Wireless Serial Port Module 1000M Antenna Replace Bluetooth SI4463 SI4438

3pcs HC-12 433Mhz SI4463 SI4438 Wireless Serial Port Module 1000M Replace Bluetooth with Antenna!Discover the 3pcs HC-12 433Mhz SI4463 SI4438 Wireless Serial Port Module 1000M Replace Bluetooth with Antenna. Built for dependable performance, easy setup, and everyday value.Key features- HC-12 Power Supply Voltage: 3.2V~5.5V- (If the module is to be in the transmitting state for a long time- it is recommended to connect a 1N4007 diode in series when the power supply voltage exceeds 4.5V to avoid the built-in LDO heating of the module)- Default Communication Distance(open field test): about 600m (the communication distance can be adjusted up to 1000m- the air baud rate is 5000bps)- Default Idle Current: 16 mA (module operating current is different in different operating modes)Benefits- HC-12 Power Supply Voltage: 3.2V~5.5V- (If the module is to be in the transmitting state for a long time- it is recommended to connect a 1N4007 diode in series when the power supply voltDetailsThis item is designed to deliver reliable results with minimal effort. It fits into a wide range of home and office setups, offering stable performance and consistent quality. Use it as a drop-in upgrade or as a trusted replacement to keep your workflow smooth.How to use- Unbox and review the quick start guide.- Inspect contents and verify compatibility.- Follow setup steps to connect and configure.- Test the product and keep the guide for reference.Ready to buyAdd the 3pcs HC-12 433Mhz SI4463 SI4438 Wireless Serial Port Module 1000M Replace Bluetooth with Antenna to your cart and enjoy a simple, reliable upgrade.