Technical Parameters Operating Voltage (V): DC5V Quiescent Current (mA): 4MA Modulation: AM (OOK) Working temperature: -10 ℃ ~ +70 ℃ Receiver sensitivity (dBm):-105DB Operating Frequency (MHz): 315,433.92 MHz (266-433MHZ frequency band optional) Dimensions (LWH): 30 * 14 * 7mm Remarks: Far as the pro-distance requirements, can be accessed by 1/4 wavelength antenna, generally use 50 ohm single-core wire, the length of the antenna is about 315M of 23cm, 433M of about 17cm; Antenna position also affected the reception of the module, install the antenna stretched as far as possible, away from the shield, high pressure, and the sources of interference; frequency used to receive, decode mode and oscillation resistance should be matched with the launch Pin and use: 1 ANT antenna connection 2 VCC power supply positive 3,4 DATA Data Output 5 GND power supply negative Receiver module has four external interfaces, VCC "indicates positive power supply," DATA "indicates that the output," GND "indicates negative one (marked on the product is available in English).
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