{"product_id":"433-mhz-superheterodyne-rf-receiver-and-transmitter-module-remote-control-wl102-341-receiving-transmitter-module-electric-parts","title":"433 Mhz Superheterodyne RF Receiver And Transmitter Module Remote Control WL102-341 Receiving Transmitter Module Electric Parts","description":"\u003ch2\u003e433MHz Superheterodyne RF Receiver \u0026amp; Transmitter Module — WL102-341, Remote Control, Arduino\u003c\/h2\u003e\n\u003cp\u003eA matched pair of 433MHz superheterodyne RF receiver (WL102) and transmitter (341) modules for wireless data transmission in Arduino, ESP32, and microcontroller-based remote control and sensor projects. The superheterodyne receiver architecture provides significantly better sensitivity and noise rejection than simpler superregenerative receivers, enabling reliable communication at longer range and in environments with RF interference. Compatible with standard 433MHz ASK\/OOK encoding used by most RF remote control libraries.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eReceiver (WL102)\u003c\/th\u003e\n\u003cth\u003eTransmitter (341)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e433.92MHz\u003c\/td\u003e\n\u003ctd\u003e433.92MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eSuperheterodyne\u003c\/td\u003e\n\u003ctd\u003eASK\/OOK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003ctd\u003e3–12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e−110dBm (typ.)\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eUp to +10dBm (12V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 4.8kbps\u003c\/td\u003e\n\u003ctd\u003eUp to 4.8kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModulation\u003c\/td\u003e\n\u003ctd\u003eASK \/ OOK\u003c\/td\u003e\n\u003ctd\u003eASK \/ OOK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eUp to 100m open space (antenna dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eExternal wire antenna (17.3cm for 433MHz)\u003c\/td\u003e\n\u003ctd\u003eExternal wire antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eDigital DATA pin\u003c\/td\u003e\n\u003ctd\u003eDigital DATA pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino Remote Control:\u003c\/strong\u003e Build a wireless remote control system for robots, RC cars, and home automation using the RCSwitch or RadioHead Arduino library\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless Sensor Network:\u003c\/strong\u003e Transmit temperature, humidity, and sensor data wirelessly from remote sensor nodes to a central Arduino receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome Automation:\u003c\/strong\u003e Control 433MHz mains relay modules, smart plugs, and RF-controlled power strips from an Arduino or ESP32 home automation controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarage Door \u0026amp; Gate Control:\u003c\/strong\u003e Decode existing 433MHz garage door remote signals and replicate them with Arduino for smart home integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather Station:\u003c\/strong\u003e Receive data from 433MHz wireless weather sensors (temperature, rain gauge, wind speed) and log to Arduino or Raspberry Pi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIoT Sensor Gateway:\u003c\/strong\u003e Build a 433MHz-to-WiFi gateway using ESP8266\/ESP32 + this receiver to bridge legacy 433MHz sensors to MQTT\/Home Assistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eArduino Wiring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver:\u003c\/strong\u003e VCC → 5V | GND → GND | DATA → Arduino D2 (interrupt pin)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmitter:\u003c\/strong\u003e VCC → 5V (or 12V for max range) | GND → GND | DATA → Arduino D10\u003c\/li\u003e\n\u003cli\u003eAttach a 17.3cm wire antenna to the ANT pad on both modules for maximum range\u003c\/li\u003e\n\u003cli\u003eUse \u003ccode\u003eRCSwitch\u003c\/code\u003e library: \u003ccode\u003emySwitch.enableReceive(0);\u003c\/code\u003e for receiver, \u003ccode\u003emySwitch.send(code, 24);\u003c\/code\u003e for transmitter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between superheterodyne and superregenerative receivers?\u003c\/strong\u003e\u003cbr\u003eA: Superheterodyne receivers (like the WL102) use a local oscillator and mixer to convert the RF signal to a fixed intermediate frequency before demodulation, providing much better selectivity and sensitivity (−110dBm vs −90dBm). Superregenerative receivers are cheaper but more susceptible to interference and have shorter effective range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this to control 433MHz mains relay modules?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Use the transmitter with the RCSwitch library to send the learned code of your 433MHz relay module. First sniff the code using the receiver + RCSwitch ReceiveDemo sketch.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × WL102 433MHz superheterodyne receiver module\u003c\/li\u003e\n\u003cli\u003e1 × 341 433MHz transmitter module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"China Mainland","offer_id":47723229249771,"sku":"200007763:201336100","price":9.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/S38a27c3540a7492ea60cbd07683ac95em.webp?v=1770450067","url":"https:\/\/keszoox.com\/products\/433-mhz-superheterodyne-rf-receiver-and-transmitter-module-remote-control-wl102-341-receiving-transmitter-module-electric-parts","provider":"Keszoox","version":"1.0","type":"link"}