Récepteur radio toutes bandes SI4732 avec batterie FM AM (MW et SW) SSB (LSB et USB) couvrant les bandes de radio amateur commerciales préconfigurées

Electrical Parameters:- Use a 3.6v lithium battery- Support USB charging- Audio output supports headset 3.5MM- Support 8-ohm speaker 1W output- FM supports earphone antenna- Antenna interface uses BNC Features of This Sketch:1) FM, AM (MW and SW) and SSB (LSB and USB);2) Audio bandwidth filter 0.5, 1, 1.2, 2.2, 3 and 4Khz;3) 22 commercial and ham radio bands pre-configured;4) BFO Control;5) Frequency step switch (1, 5 and 10KHz).Band band[] = {{FM_BAND_TYPE, 8400, 10800, 10430, 10},{LW_BAND_TYPE, 100, 510, 300, 1},{MW_BAND_TYPE, 520, 1720, 810, 10},{SW_BAND_TYPE, 1720, 3500, 1900, 1}, // 160 meters{SW_BAND_TYPE, 3500, 4500, 3700, 1}, // 80 meters{SW_BAND_TYPE, 4500, 5500, 4850, 5},{SW_BAND_TYPE, 5500, 6300, 6000, 5},{SW_BAND_TYPE, 6300, 7800, 7050, 5}, // 40 meters{SW_BAND_TYPE, 7800, 10000, 9600, 5},{SW_BAND_TYPE, 10000, 11000, 10100, 1}, // 30 meters{SW_BAND_TYPE, 11000, 12500, 11940, 5},{SW_BAND_TYPE, 12500, 13900, 13600, 5},{SW_BAND_TYPE, 13900, 14500, 14270, 1}, // 20 meters{SW_BAND_TYPE, 14500, 15900, 15300, 5},{SW_BAND_TYPE, 15900, 17900, 17600, 5},{SW_BAND_TYPE, 17900, 18300, 18100, 1}, // 17 meters{SW_BAND_TYPE, 18300, 21900, 21200, 1}, // 15 mters{SW_BAND_TYPE, 21900, 26200, 24940, 1}, // 12 meters{SW_BAND_TYPE, 26200, 27900, 27500, 1}, // CB band (11 meters){SW_BAND_TYPE, 27900, 30000, 28400, 1}}; // 10 meters Attention:- If you modify the parameters, please refer to the actual product. Note:- It is assembled and ready to use.