{"product_id":"si4732-fpc-modification-module-quansheng-uv-k5-k6-radio-upgrade","title":"SI4732 FPC Mod Module for Quansheng UV-K5 \/ K6 Radio","description":"\n\u003ch2\u003eSI4732 Chip \u0026amp; Crystal Oscillator FPC Modification Module for Quansheng UV-K5 \/ K6\u003c\/h2\u003e\n\u003cp\u003eUnlock the full potential of your Quansheng UV-K5 or UV-K6 handheld radio with this precision-engineered SI4732 modification module. Designed as a drop-in FPC (Flexible Printed Circuit) soft board upgrade, this kit adds HF shortwave full-band reception and SSB (Single Sideband) reception capabilities — transforming your radio into a truly versatile multi-band receiver. Compatible with both single-antenna and dual-antenna configurations.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Upgraded in This Module?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Audio Amplifier:\u003c\/strong\u003e Adds a dedicated audio amplifier stage to significantly boost SSB single sideband audio output — a noticeable improvement over stock volume levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRedesigned FM \u0026amp; HF Bandpass Filters:\u003c\/strong\u003e Improved filter topology for cleaner signal separation and better out-of-band rejection across FM and HF bands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eESD Protection at Input Terminal:\u003c\/strong\u003e An ESD protection diode guards the antenna input against electrostatic discharge and strong signal overload, especially important during UV-band transmission in dual-antenna setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Thin 0.12mm FPC Soft Board:\u003c\/strong\u003e The flexible PCB design is just 0.12mm thick — safe, reliable, short-circuit resistant, and installs without pressing on the internal speaker.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Wire-Wound Chip Inductors:\u003c\/strong\u003e Features high-Q, low-resistance, high-frequency inductors for superior filtering selectivity and signal integrity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtra Bandpass Filtering (Dual-Antenna):\u003c\/strong\u003e In dual-antenna configurations, an additional bandpass filter stage is added to the antenna input for enhanced HF performance. Includes a feeder and SMA connector for a dedicated HF antenna routed from the LED port — no impact on original UV performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble-Sided FPC Pads:\u003c\/strong\u003e Double-sided solder pads on the soft board make installation connections straightforward and reliable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e Quansheng UV-K5, UV-K6 (FPC \/ V2 version)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip:\u003c\/strong\u003e SI4732\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoard Thickness:\u003c\/strong\u003e 0.12mm FPC soft board\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAntenna Support:\u003c\/strong\u003e Single antenna \u0026amp; dual antenna\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReception Modes Added:\u003c\/strong\u003e HF shortwave full-band, SSB single sideband\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × Walkie-talkie modification board set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Upgrade with This Module?\u003c\/h3\u003e\n\u003cp\u003eStock UV-K5\/K6 radios have limited HF and SSB reception. This SI4732-based FPC module is the go-to hardware mod for amateur radio enthusiasts and hobbyists looking to expand their listening range without replacing their radio. The thoughtful design — from ESD protection to the ultra-thin board profile — ensures a clean, professional-grade installation.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-25mm-1000-turn-precision-copper-inductor-coil-diy-electronics\"\u003e0.25mm 1000-Turn Precision Copper Inductor Coil for DIY Circuits\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/038-inch-1280x720p-micro-display-diy-hdmi-driver-board-kit\"\u003e0.38\" 1280x720P Micro Display DIY Kit with HDMI Driver Board\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFurther Reading\u003c\/h3\u003e\n\u003cp\u003eFor guidance on amateur radio regulations and best practices, visit the FCC (Federal Communications Commission). For electronics safety standards and component testing, refer to resources at \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST (National Institute of Standards and Technology)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this SI4732 FPC module compatible with both the UV-K5 and UV-K6 models?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This modification module is designed specifically for the Quansheng UV-K5 and UV-K6 radios, supporting both the FPC\/V2 board version in single-antenna and dual-antenna configurations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What new reception capabilities does the SI4732 chip add to my radio?\u003c\/h4\u003e\n\u003cp\u003eA: After installing this module, your Quansheng UV-K5 or UV-K6 gains HF shortwave full-band reception as well as SSB (Single Sideband) reception — greatly expanding the range of frequencies and signal types you can monitor.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will installing this module affect the original UV performance of my radio?\u003c\/h4\u003e\n\u003cp\u003eA: No. In the dual-antenna configuration, the HF independent antenna is routed via a dedicated feeder and SMA connector from the LED port, keeping the original UV band performance fully intact.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the 0.12mm FPC board pose any risk of short-circuiting internal components?\u003c\/h4\u003e\n\u003cp\u003eA: The ultra-thin 0.12mm FPC soft board is specifically designed to avoid pressing on or shorting the internal speaker or other components, and the double-sided pad layout simplifies soldering for a safe, reliable installation.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this SI4732 FPC module compatible with both the UV-K5 and UV-K6 models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This modification module is designed specifically for the Quansheng UV-K5 and UV-K6 radios, supporting both the FPC\/V2 board version in single-antenna and dual-antenna configurations.\"}}, {\"@type\": \"Question\", \"name\": \"What new reception capabilities does the SI4732 chip add to my radio?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"After installing this module, your Quansheng UV-K5 or UV-K6 gains HF shortwave full-band reception as well as SSB (Single Sideband) reception — greatly expanding the range of frequencies and signal types you can monitor.\"}}, {\"@type\": \"Question\", \"name\": \"Will installing this module affect the original UV performance of my radio?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. In the dual-antenna configuration, the HF independent antenna is routed via a dedicated feeder and SMA connector from the LED port, keeping the original UV band performance fully intact.\"}}, {\"@type\": \"Question\", \"name\": \"Does the 0.12mm FPC board pose any risk of short-circuiting internal components?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ultra-thin 0.12mm FPC soft board is specifically designed to avoid pressing on or shorting the internal speaker or other components, and the double-sided pad layout simplifies soldering for a safe, reliable installation.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/oasis-select.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"SI4732 FPC Mod Module for Quansheng UV-K5 \/ K6 Radio\", \"item\": \"https:\/\/oasis-select.com\/products\/si4732-fpc-modification-module-quansheng-uv-k5-k6-radio-upgrade\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"A-unassembled \/ CN","offer_id":47751318863977,"sku":"14:365462#A-unassembled;200007763:201441035#CN","price":20.03,"currency_code":"USD","in_stock":true},{"title":"B-assembled \/ CN","offer_id":47751318896745,"sku":"14:193#B-assembled;200007763:201441035#CN","price":20.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S22089505bf69438cb3d117de272a898ch.webp?v=1783188667","url":"https:\/\/oasis-select.com\/products\/si4732-fpc-modification-module-quansheng-uv-k5-k6-radio-upgrade","provider":"Oasis Select","version":"1.0","type":"link"}