Feature Highlights: 1. Volume Boost Connection – By linking pins 1 and 16 of the SI4732 to pins 3 and 4 of the BK1080, you can increase the audio output volume. 2. Easy Modification – Comes with 0.2mm tinned copper wire, so you can make adjustments quickly and easily. 3. Slim Design – Uses a flexible printed circuit (FPC) to keep the module thin and compact. 4. Optimized Circuit – The SI4732 pin section has been redesigned for better performance and reliability. 5. Complete Modification Module – Designed for UV-K5 radios, this PCB module includes the SI4732 chip, SMT capacitors, and a crystal oscillator—everything you need in one set. Product Details: This modification module is built for upgrading your UV-K5 radio. It features a redesigned SI4732 circuit for stable performance, uses thin FPC to reduce thickness, and includes tinned copper wire to simplify installation. Perfect for DIY enthusiasts who want to enhance their device’s audio and tuning capabilities. Specifications: - Color: Orange - Material: PCB + electronic components - Note: Appearance may vary slightly between batches, but functionality remains the same. - Package Includes: - 3 × modification modules - 3 × tinned copper wires - 3 × inductors - 9 × capacitors Only the items listed above are included. Other accessories are not provided. Friendly Reminder: Product color may look slightly different in photos due to lighting and screen settings. Dimensions allow a tolerance of +/- 1–3 cm.