Feature

●Fast carrying: the radio receiver is compact and lightweight, the radio receiver is very convenient to carry for indoor and outdoor use
●Intelligent Charging The radio receiver includes a USB cable and antenna to ensure more stable signals both during reception and transmission
●Stable outputs: the radio receiver supports audio output via the 3.5mm headphone interface and 8 ohm speaker for easier operation, radio reception and transmission
●Wide Frequency The radio receiver has 22 pre-configured commercial radios and frequency bands for FM, AM, MW, KW and SSB signals as well as 0.5, 1, 1.2, 2.2, 3 and 4 kHz audio bandwidth filters
●Better designs: when you use radio receiver, the board retains the si4735 package, so you can replace the chip yourself and the software is compatible

Description

Use:
Operating 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}, // 160m / 524.93ft, approx.
{Sw_band_type, 3500, 4500, 3700, 1}, // 80m / 262.47ft, approx.
{Sw_band_type, 4500, 5500, 4850, 5},
{Sw_band_type, 5500, 6300, 6000, 5},
{Sw_band_type, 6300, 7800, 7050, 5}, // 40m / 131.23ft, approx.
{Sw_band_type, 7800, 10000, 9600, 5},
{Sw_band_type, 10000, 11000, 10100, 1}, // 30m / 98.43ft, approx.
{Sw_band_type, 11000, 12500, 11940, 5},
{Sw_band_type, 12500, 13900, 13600, 5},
{Sw_band_type, 13900, 14500, 14270, 1}, // 20m / 65.62ft, approx.
{Sw_band_type, 14500, 15900, 15300, 5},
{Sw_band_type, 15900, 17900, 17600, 5},
{Sw_band_type, 17900, 18300, ? 18100, 1}, // 17 m / 55.77 ft, approx.
{Sw_band_type, 18300, ?? 21900, 21200, 1}, // 15 m / 49.21 ft, approx.
{Sw_band_type, 21900, 26200, 24940, 1}, // 12m / 39.37ft, approx.
{Sw_band_type, 26200, 27900, 27500, 1}, // CB band, 11 m / 36.09 ft, approx.
{Sw_band_type, 27900, 30000, 28400, 1} //; // 10m / 32.81ft, approx.

Specification:
Item type: radio receiver.
Model: ATS20+.
Material: aluminium alloy.
Battery: 602035 lithium battery 3.7V 1500mAh with built-in battery.
Function: Radio reception and transmission
Frequency: 0.5, 1, 1.2, 2.2, 3 and 4 kHz audio bandwidth filter.

Package list:
1 x radio receiver.
1 x USB cable.
1 x antenna.
1 x cleaning cloth.
1 x foot pad.