ATS-20+ SI4735 Full Waveband Radios Receiver Frequency Modulation AM (MW & SW) SSB (LSB & USB) Covering Commercial Amateur Radiobands This full waveband radioreceiver is designed with 0.96 inch OLED display, supporting auto setting hold function after power failure. This device is equipped with an audio output function and supports a 3.5mm earphone. Also supports the 8ohm speaker 1.5W output. With 22 pre-configured commercial and amateur radiobands, you can use it freely. You can have a try.   Features: This device features a 0.96-inch OLED display, allowing you to view frequency modulation bands, AGC on/off, and MONO according to your needs.  It supports an auto setting hold function after power failure. It is powered by a built-in 3.6 V, 800mAh polymer lithium battery for stable and sustainable powersupply.  The device supports USB recharging and comes with a Type-C recharging cable.  It is equipped with an audio output function and supports a 3.5mm earphone, as well as 8ohm speaker 1.5W output.  The antenna interface uses an SMA interface, and the printed circuit board retains the SI4735 package, allowing you to replace the chip yourself, and the software is compatible. The device is pre-configured with 22 commercial and amateur radiobands for your convenience.  It supports frequency modulation, AM (MW and SW), and SSB (LSB and USB).  The audio bandwidth filter includes 0.5, 1, 1.2, 2.2, 3, and 4Khz.  It also features BFO Control and a frequency step switch (1, 5, and 10KHz).   Specifications: Name: Radios Receiver Material: printed circuit board   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 meters {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   Item size: 89 * 107 * 41mm / 3.50 * 4.21 * 1.61in Item weight: 205g / 7.23ounce Package size: 173 * 122 * 52mm / 6.81 * 4.80 * 2.05in Package weight: 250g / 8.82ounce   Packing List: 1 * Radios Receiver 1 * Antenna 1 * Type-C Cable