5Pcs Geekcreit? HC-12 433MHz SI4438 Wireless Serial Module Wireless Transceiver Transmission Serial Communication Data Board Remote 1000M Sports & Equipment This antenna provides excellent reception

This antenna provides excellent reception and offers a wide spectrum of VHF

5 kHz(W/N)

YOU CAN BE SURE YOU'RE GETTING A GOOD PRODUCT

Accessories: Foot cover

Number of Pcs: 50pcs

5Pcs Geekcreit? HC-12 433MHz SI4438 Wireless Serial Module Wireless Transceiver Transmission Serial Communication Data Board Remote 1000M Sports & Equipment This antenna provides excellent receptionUpdate information: Change chip from SI4463 to SI4438 (Shipped from 11. 26. 2019) Note: HC 11 cannot communicate with the HC 12, they work independently, used in pairs. Features: 1. Supply voltage: 3. 2V~5. 5V. (If the module you want to work long hours in the emission state, it is recommended that when the supply voltage exceeds 4. 5V threaded a 1N4007 diode to prevent module built in LDO heated) 2. Default address range (open field test): About 600m