TEF6686 Plus 4.0-LNA 3.2In DSP Radio (Add Lna)

3.2inch screen. Dual speaker stereo! Strong anti-interference! double-sided full copper! The case is sturdy and durable
With voltage display (please pay attention to charging 3.3v) ; the charging voltage is 5v
Antenna with SMA male connector
Medium wave, short wave, and FM
5000MAH lithium battery

Size: 115 x 106 x 20mm/4.5 x 4.2 x 0.8inch
Weight: 334g/0.7lb
System Settings:
Volume (audio level)
A converter offset (local oscillator frequency of any converter used)
A low frequency band edge (lowest frequency that can be )
High frequency band edge (highest frequency that can be possible)
A level offset (signal table deviation due to cable loss or antenna amplifier/converter gain)
Stereo separation threshold (adjust separation if signal strength is this)
High chamfer frequency (cutoff frequency for high points of low signal strength)
A high cut threshold (belonging to the previous option, this is the signal value which should activate the previous option)
A low level threshold (if the signal becomes very weak, the data crosstalk of the whole circuit can be heard in the sound. With this option you can delay the data stream of low signal strength, perfect for DX)
Display Brightness (TFT Contrast)
Colour:blue
Material:metal+plastic

Package Contents:
1 x Main Unit(Add Lna)
1 x Antenna

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.