433Mhz Superheterodyne Wireless Receiver RXB8 Steady DC 3.3-5.5V for Arduino AVR

1 x 433Mhz Superheterodyne Wireless Receiver. (1) receiver sensitivity reach -115dBm;. (3) wireless security alarm;. (4) Wireless doorbell;. (6) a wireless data transmission. (1) receiver sensitivity reach -114dBm;.

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