ITEM NAME:Wireless Superheterodyne Decoding Receiver Transmitter Module Kit 433Mhz #gib Product Description Description: 433Mhz RF Superheterodyne Decoding Transmitter Receiver Module Kit with Antenna Wireless Superheterodyne Decoding Module Transmitter Receiver Kit 433Mhz Specifications: Product Name: Wireless Superheterodyne decoding receiver module 2272-M4-AK-R06B Specifications: 42 x 20 x 5mm/1.65 x 0.79 x 0.2in Weight: 5g Receiving sensitivity: -105dBm Operating frequency: 433.92 MHz Power Supply voltage input range: 3.3V-5.5V; Temperature range: -30-80℃ (can work properly even in harsh ambient temperature) Decoding format: PT2272-M4 (inching) Pin Definitions: From left to right, the plug-in surface are: + D3 D2 D1 D0 VT - Features: Good selectivity and spurious radiation suppression, easy to pass CE, FCC international certification; Good local oscillator radiation suppression capability, multiple receiver modules can work together (single emitter multiple receiver), and will not interfere with each other, not affect the receiving distance. A pplication scope: Car remote control door switch (RKE); Remote control door opener; Wireless security alarm; Wireless doorbell; Wireless controller; Four digit data wireless receiver, burglar alarm signal receiver; Included: 1 x Wireless Superheterodyne Decoding Receiver Module 2272-M4-AK-R06B.433Mhz RF Superheterodyne Decoding Transmitter Receiver Module Kit with Antenna. Wireless Superheterodyne Decoding Module Transmitter Receiver Kit 433Mhz. Included: 1 xWireless Superheterodyne Decoding Receiver Module 2272-M4-AK-R06B.