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5Pcs Geekcreit? HC-12 433MHz SI4438 Wireless Serial Module Wireless Transceiver Transmission Serial Communication Data Board Remote 1000M Sports & Equipment Number of Pcs: 50pcs

SKU 21230821845
4.0
USD52.69 USD97.69

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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

Size: 4
Description

Number of Pcs: 50pcs

Newman's Own Organics Launches New Formulations For Dogs And Cats We Are Pleased To Introduce Four New Holistic Formulas Based On The Newest Concepts In Animal Nutrition

Accessories: Foot cover

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Digital temperature display

5Pcs Geekcreit? HC-12 433MHz SI4438 Wireless Serial Module Wireless Transceiver Transmission Serial Communication Data Board Remote 1000M Sports & Equipment Number of Pcs: 50pcsUpdate 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

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