ESP32-WROOM-32U 2.8 Inch IPS Full Band Digital Radio FM SW MW LW WiFi Bluetooth 5000mAh Type-C SMA Antenna Portable Speaker - Orange

Specification

Main Chip: ESP32-WROOM-32U

Display: 2.8 Inch IPS Full Viewing Angle Color LCD

Resolution: 320 x 240

Touch Screen: Resistive Touch Screen

Wireless Connectivity: Wi-Fi And Bluetooth Dual Mode

Radio Bands: FM, SW, MW, LW

FM Frequency Range: 65-108MHz

FM Step: 50/100/200kHz, Default 100kHz

SW Frequency Range: 1700-27000kHz

SW Step: Default 5kHz

MW Frequency Range: 522-1791kHz (9kHz Step), 520-1720kHz (10kHz Step)

LW Frequency Range: 144-513kHz

LW Step: Default 9kHz

OIRT Step: Default 30kHz

FM Sensitivity: <=0.5uV (S/N=30dB)

FM Selectivity: >=60dB (+/-150kHz)

SW/MW/LW Sensitivity: <=10uV (S/N=20dB)

SW/MW/LW Selectivity: >=60dB

Antenna Interface: Standard SMA

Speaker Amplifier: TI TPA6211A1

Speaker: 45 x 45mm

Speaker Output Power: 4 Ohm / 3W

Headphone Amplifier: AD MAX97220

Headphone Port: 3.5mm Audio Interface

Battery: 3.7V 5000mAh (18.5Wh)

Typical Working Current: About 350mA (3.7V)

Battery Life: About 15 Hours Per Charge

USB To Serial Chip: CH340

Charging And Upgrade Port: Type-C

Dimensions: 142 x 30 x 80mm (Without Antenna Connector And Antenna)

Weight: 300g

Features

1) ESP32-WROOM-32U dual-core module with 4MB Flash supports Wi-Fi and Bluetooth dual mode for firmware upgrade and function expansion.

2) Full band coverage includes FM, SW, MW, and LW with multiple regional FM ranges and adjustable tuning steps.

3) 2.8 inch IPS color screen with 320 x 240 resolution and resistive touch support offers clear display and convenient operation.

4) Standard SMA antenna interface supports external high-gain antennas to improve weak signal reception performance.

5) Built-in 5000mAh battery supports about 15 hours of use, with Type-C charging and firmware upgrade support.

Package included

1 x Digital Radio

1 x Telescopic Antenna

1 x Type-C Charging Data Cable

Operation and Control Methods

l By default, it features a numeric keypad input and a TUNING knob for tuning. It also supports third-party touchscreen firmware for flexible operation.

l Physical buttons and knobs include:

l Main Switch: Physical power switch. The battery can be disconnected during extended periods of inactivity to prevent accidental power-on.

l POWER Button: Short press to power on/off.

l TUNING Knob: Rotate to tune frequency. Short press to switch steps. Long press to enter iMS and EQ settings.