DP-666 High Sensitivity Color Screen Radio Deepelec Store : https://deepelec.aliexpress.com/store/1101363542
www.deepelec.com
Basic Parameters:
Main control chip: ESP32-WROOM-32U，Flash 4MB，Wi-Fi + Bluetooth dual-core module
Display technology: 2.8-inch 320x240 resolution, IPS full-viewing angle LCD screen with resistive
touch
Control method: Default numeric keyboard input and knob tuning, also supports third-party touch
screen firmware*
Frequency range:
FM
65-108MHz Suitable for Russia/Eastern Europe
76-95MHz Suitable for Japan
76-108MHz Suitable for campus broadcasting
Suitable for Europe/Oceania/Africa/Asia
87. 5 -108MHz Suitable for China/United States
OIRT default stepping is 30kHz, FM stepping is 50/100/200kHz,
default is 100kHz
SW 1700-27000kHz Default stepping 5kHz
MW
520-1720kHz Default stepping 10kHz
LW 144-513kHz Default stepping 9kHz
Receiving indicators:
Telescopic antenna
receiving sensitivity
FM FM(S/N=30dB) ≤ 0.5uV FM ≥ 60dB(±150kHz)
SW SW(S/N=20dB) ≤ 10uV SW ≥ 60dB(BW=3kHz/±5kHz)
MW MW(S/N=20dB) ≤ 10uV MW ≥ 60dB(BW=3kHz/±9kHz)
LW LW(S/N=20dB) ≤ 10uV LW ≥ 60dB(BW=3kHz/±9kHz)
Antenna interface: Full-band external antenna, standard SMA female connector
Speaker output: Using TI audio amplifier chip TPA6211A1, driving 45x45mm large-size sound cavity
speaker, power 4Ω/3W, lower output noise and less distortion.
Headphone output: Using AD headphone amplifier chip MAX97220, standard 3.5mm audio connector
output, independent dual amplifier design for speakers and headphones,
optimized separately without affecting each other.
Battery: 3.7V/5000mAh, 18.5Wh, lithium battery size 65x55x10mm
Current consumption: About 3.7V/350mA, use time about 15 hours
Communication interface: Built-in CH340 USB to serial port chip, through TYPE-C interface
Dimensions and weight: 142*30*80mm (excluding antenna connector and antenna),
body weight 300g
* DP-666's firmware does not support touch screen operations, but you can burn into a third-party
touch firmware for touch screen testing, please check the special description:
https://deepelec.com/2024/09/08/dp-666-touchscreen-testing
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