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Specifications:
Kit Type: DIY hand-soldered radio kit
Main Control Chip: STC8G1K08 microcontroller
FM Receiver: RDA5807M, 87.5-108 MHz, high sensitivity, low noise, strong anti-interference
Audio Amplifier: AXS2031 digital mono amplifier, 3-5 W, operates at 2.5-5.5 V
Voltage Regulation: 3.3 V buck-boost module; stable 3.3 V with 2.5-5.5 V input
Power Supply: USB 5 V (Type-C) or 4.5 V dry cell battery (use one method at a time) (package is not includes battery)
Display: LED digital display
Antenna: 30 cm omnidirectional, adjustable
Reception Band: FM band
Output Power: Mono 3-5 W
Features:
1. Full 87.5-108 MHz coverage with high sensitivity and strong anti-interference for stable FM reception.
2. AXS2031 digital mono amplifier delivers 3-5 W with smooth audio, distortion-free even at 2.5 V.
3. 3.3 V buck-boost module keeps MCU and LED display stable from 2.5-5.5 V input.
4. Type-C or 4.5 V dry cell battery power options; use a single power method at a time.
5. 30 cm adjustable antenna enhances reception; clear soldering instructions support DIY skill building.
Package included:
1 x Radio Kit