Mini Portable TEF6686 Full Band FM/LW/MW/SW Radio Receiver ESP32-WROOM-32U with 2.4inch Resistance Touch Screen

Suitable scenarios Radio listening emergency radio amateur radio teaching demonstrations outdoor travel etc Basic Parameters Main Control Chip ESP32 WROOM 32U 4MB Flash supports Wi Fi BluetoothDisplay 2 8 inch IPS LCD screen 320x240 resolution supports resistive touchControl Method Numeric keypad rotary knob tuning compatible with third party touchscreen firmwareSpecifications Material PLA Dimensions 85mm x 49mm x23mm Body weight approximately 300g Speaker Cavity 4Ω 2W Battery 4 2V 1000MAH Screen 9341 2 4 touch Charging voltage DC 5V Antenna interface SMA K Frequency Range and Steps FM 65 108MHz Suitable for Russia Eastern Europe OIRT default step 30kHz 76 95MHz Suitable for Japan 76 108MHz Suitable for German Broadcasting 87 108MHz Suitable for Europe Oceania Africa Asia 87 5 108MHz Suitable for China USA FM Steps 50 100 200kHz default 100kHzShortwave SW 1700 27000kHz default step 5kHzMedium Wave Medium Wave MW 522 1791kHz default step 9kHz520 1720kHz default step 10kHzLong Wave LW 144 513kHz default step 9kHzReceiver Specifications FM Sensitivity ≤ 0 5uV S N 30dB Signal to Noise Ratio ≥ 60dB Δf 150kHz SW Sensitivity ≤ 10uV S N 20dB Signal to Noise Ratio ≥ 60dB BW 3kHz MW Sensitivity ≤ 10uV S N 20dB Signal to Noise Ratio ≥ 60dB BW 3kHz Long Wave LW Sensitivity ≤ 10uV S N 20dB Signal to Noise Ratio ≥ 60dB BW 3kHz Hardware Configuration Antenna Interface Standard SMA external screw internal connect