TEF6686 DSP Radio DP 666 High Sensitivity Full Band FM AM FM Shortwave 2.8 inch 320×240 Resolution 3.7V/5000mAh

Specifications:

Name: DP-666 TEF6686 DSP Radio

Basic parameters:

Main control chip: ESP32-WROOM-32U Flash 4MB Wi Fi+Bluetooth dual core module

Display technology: 2.8-inch 320×240 resolution IPS full view LCD screen with resistive touch

Control mode: default numeric keypad input and knob tuning also supports third-party touch screen firmware

Antenna interface: External antenna is used for all frequency bands with standard SMA external screw and internal female connector

Speaker output: Using the T audio amplifier chip TPA6211A1 it drives a 45x45mm large-sized sound cavity speaker with a power of 4 Ω/3W resulting in lower output noise and distortion.

Earphone output: Using AD headphone amplifier chip MAX97220 standard 3.5mm audio connector output speaker and headphone independent dual amplifier design optimized for mutual benefit.

Battery parameters: 3.7V/5000mAh 18.5wh lithium battery size 65x55x10mm

Current consumption: about 3.7V/350mA usage time is about 15 hours

Communication interface: Built in CH340 USB to serial chip communicates externally through TYPE-C interface

Size and weight: length 142 * width 30 * height 80mm (excluding antenna connectors and antennas) body weight 300g“

Note: This product contains lithium batteries

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