TEF6686 Full Band FM/MW/Short Wave HF/LW Radio Receiver with 5000MAH Battery Speaker Antenna 3.2inch LCD
Upgrades 1 Our hardware version is the latest 4 0 2 Our latest firmware version is 1 18 3 Upgraded on the basis of the old version frequency storage is added 4 Touch Screen Version is not included the LNA It just turned the regular version of the screen into a touch screen version Features Adding a LNA preamplifier optional to increase the signal by 20dB TEF6686 full band finished radio 3 2 large screen Dual speaker stereo Strong anti interference PCB double sided full copper The pcb case is sturdy and durable With voltage display please pay attention to charging below 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 8 Weight 334g 0 7lb System Settings Volume audio level A converter shift local oscillator frequency of any converter used A low frequency band edge lowest frequency that can be selected High frequency band edge highest frequency that can be selected possible A level shift signal table deviation due to cable loss or antenna amplifier converter gain Stereo separation threshold adjust channel separation if signal strength is below 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 below which should activate the previous option A low level threshold if the signal becomes very weak the data cross
