Amnvolt si4732 dsp radio receiver with hiz full band 1.9 inch ips screen supports ssb usb lsb am fm modes built-in headphone amp portable open source upgradable firmware

Description

Amnvolt si4732 dsp radio receiver with hiz full band 1.9 inch ips screen supports ssb usb lsb am fm modes built-in headphone amp portable open source upgradable firmware

Amnvolt si4732 dsp radio receiver with hiz full band 1.9 inch ips screen supports ssb usb lsb am fm modes built-in headphone amp portable open source upgradable firmware

Specifications:
– Master control: ESP-32-S3
– Working mode: FM/AM/LSB/USB (note does not support aviation band)
– Receiving frequency band: HF/SW/MW/VHF
– Frequency range: LW MW SW (150kHz – 30MHz) VHF (64-108Mhz)
– Screen: 1.9inch 170*320 resolution
– Brightness: 32~255 levels adjustable
– Charging interface: TYPE-C (cannot be charged with fast charging)
– Audio interface: 3.5mm three-stage stereo
– Antenna interface: SMA-KE (inner hole)
– Battery capacity: 800ma

Features:
1. Adopt ESP32-S3 master control + SI4732 DSP chip support full-band broadcast LSB USB AM FM mode support AGC/ATT function
2. Adopt 1.9-inch IPS high-definition color screen support screen backlight brightness adjustment support battery power display
3. Built-in 1W power cavity speaker loud and pleasant sound quality
4. Support firmware upgrade factory default built-in V1.01 latest firmware (since this product is an open source project users can refer to the instruction manual to update the latest version by themselves)
5. Easy to operate: all actions can be performed by a single press/rotation of the rotary encoder button
6. Built-in headphone amplifier circuit the volume of listening with headphones is loud
7. Built-in Hi-Z circuit can improve weak signal resolution

Note: If the encoder is stuck after receiving the product it may be due to the long transportation time which has caused the lubricant to dry out. It is recommended to remove the cap and add lubricant before use.

Package Include:
[Black Loop Antenna]:
1 x MINI SI4732 Radio
1 x Black Loop Antenna

[Red Loop Antenna]:
1 x MINI SI4732 Radio
1 x Red Loop Antenna

[Black Telescopic Antenna]:
1 x MINI SI4732 Radio
1 x Black Telescopic Antenna

[Black Loop Antenna+Telescopic Antenna]:
1 x MINI SI4732 Radio
1 x Black Loop Antenna
1 x Black Telescopic Antenna

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