{"product_id":"kreceiverv003-433-rf-superheterodyne-receiving-module-3v-5v-ask-ook","title":"Wireless 433.92 MHz RF Superheterodyne Receiver Module (ASK \/ OOK Demodulation, 3.3V–5.5V DC, -108 dBm High Sensitivity, Compact PCB Sub-Assembly)","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe \u003cb\u003eKRECEIVERV003\u003c\/b\u003e is an industrial-grade compact 433.92 MHz superheterodyne RF wireless receiver module engineered for low-power, short-to-medium-range wireless communication. Purpose-built for security alarm panels, gate automation controls, garage door openers, remote keyless entry (RKE) interfaces, access control card-key fobs, and smart home relay modules, this compact sub-assembly decodes high-frequency radio transmissions directly into digital baseband signals for host microcontrollers and security control mainboards.\u003c\/p\u003e\n\u003cp\u003eOperating across an ultra-stable 433.92 MHz carrier frequency with ASK \/ OOK (Amplitude Shift Keying \/ On-Off Keying) demodulation, the module incorporates a high-performance integrated RF receiver chip that provides an exceptional reception sensitivity rating down to -108 dBm. Engineered with a flexible 3.3V to 5.5V DC input range, the KRECEIVERV003 delivers robust anti-interference rejection against local EMI\/RFI noise compared to basic superregenerative modules. Its minimalist through-hole pin header interface enables straightforward solder integration directly onto host alarm control motherboards, expansion cards, or breadboard prototypes for wireless security deployments.\u003c\/p\u003e\n\u003ch4\u003eKey System Features \u0026amp; Functionality\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSuperheterodyne RF Architecture:\u003c\/b\u003e Delivers high frequency stability and suppression of local oscillator radiation, outperforming unstable superregenerative boards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh Reception Sensitivity (-108 dBm):\u003c\/b\u003e Captures weak RF signals reliably from remote key fobs, wireless PIR detectors, and panic buttons across demanding physical environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStandard 433.92 MHz Carrier Frequency:\u003c\/b\u003e Universally compatible with popular 433 MHz fixed-code, learning-code (EV1527, PT2262), and rolling-code remote transmitters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eASK \/ OOK Demodulation:\u003c\/b\u003e Supports industry-standard Amplitude Shift Keying data streams with data rates up to 10 kbps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWide Operating Voltage (3.3V – 5.5V DC):\u003c\/b\u003e Integrates seamlessly with standard 3.3V microcontrollers (ARM, ESP32) and legacy 5V TTL logic systems (PIC, AVR, Arduino).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUltra-Low Current Consumption:\u003c\/b\u003e Draws typically under 5 mA during active reception, making it ideal for battery-backed alarm panels and solar-powered gate operators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDedicated Antenna Solder Pad:\u003c\/b\u003e Features a designated ANT pad for attaching an external wire whip antenna (approx. 17 cm) or coaxial connector to maximize transmission range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eKey Technical Specifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Model \/ SKU\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eKRECEIVERV003\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e433 MHz Superheterodyne RF Wireless Receiver Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOperating Carrier Frequency\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e433.92 MHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eReceiver Architecture\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSuperheterodyne\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDemodulation Method\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eASK \/ OOK (Amplitude Shift Keying \/ On-Off Keying)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOperating Voltage (VCC)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC 3.3V to 5.5V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOperating Current\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 4.0 mA to 5.0 mA (at 5V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eQuiescent \/ Standby Current\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 1 µA (in power-down\/sleep mode if supported by pinout)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eRF Sensitivity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-105 dBm to -108 dBm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTransmission Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 50–100 meters (open field, paired with 17 cm antenna and standard transmitter)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eData Rate (Throughput)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 kbps to 10 kbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOutput Signal Level\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard TTL \/ CMOS logic level (matches supply voltage VCC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBandwidth (IF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 150 kHz to 200 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePin Configuration (Standard)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eANT (Antenna), VCC (Positive Power), DATA (Digital Output), GND (Ground)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eRecommended Antenna\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 Ohm impedance single-core copper wire, length ~17.3 cm (1\/4 wavelength)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20°C to +70°C (-4°F to +158°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePCB Dimensions (Approx.)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 30 mm × 12 mm × 5 mm (1.18\" × 0.47\" × 0.20\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eNet Weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 2.5 g (0.09 oz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"GVS","offers":[{"title":"Default Title","offer_id":50790441845047,"sku":"KRECEIVERV003","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/7790\/6743\/files\/KRECEIVERV003-02.png?v=1789155844","url":"https:\/\/shop.gvs-usa.com\/products\/kreceiverv003-433-rf-superheterodyne-receiving-module-3v-5v-ask-ook","provider":"gvsusa","version":"1.0","type":"link"}