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Best Seller | -12 433Mhz SI4463 Wireless Serial Port Module 1000M Replace Bluetooth HC12 - 4 PCS 1. Supply voltage 3.2V - 5.5V. (If you want to work in the module launch state for a long time it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode to avoid heating module built LDO) 2. Default communication distance (open... more | FREE shipping go to store |
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