5 pcs Wireless 315Mhz Superheterodyne Receiver RXB12 for Arduino, Superheterodyne Wireless Receiver Module 315M High Sensitivity Wireless Receiver Module RXB12

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5 pcs Wireless 315Mhz Superheterodyne Receiver RXB12 for Arduino, Superheterodyne Wireless Receiver Module 315M High Sensitivity Wireless Receiver Module RXB12