TEF6686 high-sensitivity radio FM/AM supports global frequencies, built-in battery with infrared remote control, high fidelity
TEF6686 high-sensitivity radio FM/AM supports global frequencies, built-in battery with infrared remote control, high fidelity
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PE5PVB Project:https://github.com/PE5PVB/TEF6686_ESP32
Basic operations.
ON/OFF button: power switch, encoder (ROTARY) mode switching, long press
ON/OFF button for 3 seconds to turn on or turn off the power, after the power
on, short press the encoder once for the volume, continuous short press the
encoder for the ambient light to choose
Function, short press once to exit.
ROTARY (encoder): Power on is to adjust the frequency, short press the on/off button once is for the
volume level, and enter the setting interface for the shift function. Short press on the center button
is step switching, long press is to open iMS and EQ.
ON/OFF button: power switch, encoder (ROTARY) mode switching, long press
ON/OFF button for 3 seconds to turn on or turn off the power, after the power
on, short press the encoder once for the volume, continuous short press the
encoder for the ambient light to choose
Function, short press once to exit.
ROTARY (encoder): Power on is to adjust the frequency, short press the on/off button once is for the
volume level, and enter the setting interface for the shift function. Short press on the center button
is step switching, long press is to open iMS and EQ.
BW button: bandwidth selection Short press in FM mode:Stereo/Mono switching
Long press in FM mode: demodulation bandwidth switching, switching between
56/64/72/84/97/114/133/151/168/184/200/217/236/254/287/287/311kHz/AUTOBW.
can also be selected by pressing and holding the BW button and using the TUNING knob
Short press in AM mode: demodulation bandwidth switching, switching between 3/4/6/8kHz
Long press in FM mode: demodulation bandwidth switching, switching between
56/64/72/84/97/114/133/151/168/184/200/217/236/254/287/287/311kHz/AUTOBW.
can also be selected by pressing and holding the BW button and using the TUNING knob
Short press in AM mode: demodulation bandwidth switching, switching between 3/4/6/8kHz
MODE button: tuning mode Short press:MAN(manual FM)/AUTO(auto search)/MEM(station
operation) mode switchingLong press:Open menu page
operation) mode switchingLong press:Open menu page
AM/MF button: band selection Short press: band switching, switching between LW/MW/SW/OIRT/FM
In FM mode long press:to open the Advanced RDS view/Alternative Frequency view, the
In FM mode long press:to open the Advanced RDS view/Alternative Frequency view, the
Frequency range.
65-108 MHz for Russia/Eastern Europe
76-95 MHz suitable for Japan
76-108 MHz suitable for campus broadcasting
FM 87-108MHz for
Europe/Oceania/Africa/Asia 87.5-108MHz
for China/USA
OIRT default step 30kHz,FM step
50/100/200kHz,default 100kHz shortwave 1700-27000kHz
default step 5kHz
522-1791kHz in default steps of 9kHz
Mid-wave 520-1720kHz default
step 10kHz Long-wave 144-
513kHz default step 9kHz
Receiving indicator:Tie rod
antenna receiving
sensitivity selective
FM(S/N=30dB)≤0.5uVFM≥60dB(±150kHz)
Shortwave
SW(S/N=20dB)≤10uVSW≥60dB(BW=3kHz/+5kHz)Mediumw
ave
MW(S/N=20dB)≤10uVMW≥60dB(BW=3kHz/±9kHz)Longwa
ve LW(S/N=20dB)≤10uVLW≥60dB(BW=3kHz/+9kHz)
Antenna interface: full band with external antenna, standard BNC external button hole
Speaker output: the use of digital audio amplifier chip, drive 45x45mm large size wide frequency cavity
speakers, power 4Ω/5W.
Output noise is lower, distortion is small, volume up does not distort, built-in always speaker,
circuit design is stereo, stereo channel please set to mono (mixing mode)
Headphone output: the use of imported freight chip, easy to connect to the amplifier, standard 3.5mm
audio connector output, speakers and headphones independent dual-amplifier design, inserted into the
headphones, built-in amplifier mute switch to headphone output.
Battery Parameters:3.7V/4000mAh,18.5Wh,Li-ion
battery size 80x50x8mmCurrent Consumption:about
3.7V/350mA,using time about 10 hours
Communication interface: built-in CH340 USB to serial chip, through the
TYPE-C interface to external communications, support for online upgrades
Size and weight: L142 * W30 * H80mm (excluding antenna connector and
antenna), body weight 450g
Infrared Remote Control.
Supports all key functions, numeric keypad for frequency input
76-95 MHz suitable for Japan
76-108 MHz suitable for campus broadcasting
FM 87-108MHz for
Europe/Oceania/Africa/Asia 87.5-108MHz
for China/USA
OIRT default step 30kHz,FM step
50/100/200kHz,default 100kHz shortwave 1700-27000kHz
default step 5kHz
522-1791kHz in default steps of 9kHz
Mid-wave 520-1720kHz default
step 10kHz Long-wave 144-
513kHz default step 9kHz
Receiving indicator:Tie rod
antenna receiving
sensitivity selective
FM(S/N=30dB)≤0.5uVFM≥60dB(±150kHz)
Shortwave
SW(S/N=20dB)≤10uVSW≥60dB(BW=3kHz/+5kHz)Mediumw
ave
MW(S/N=20dB)≤10uVMW≥60dB(BW=3kHz/±9kHz)Longwa
ve LW(S/N=20dB)≤10uVLW≥60dB(BW=3kHz/+9kHz)
Antenna interface: full band with external antenna, standard BNC external button hole
Speaker output: the use of digital audio amplifier chip, drive 45x45mm large size wide frequency cavity
speakers, power 4Ω/5W.
Output noise is lower, distortion is small, volume up does not distort, built-in always speaker,
circuit design is stereo, stereo channel please set to mono (mixing mode)
Headphone output: the use of imported freight chip, easy to connect to the amplifier, standard 3.5mm
audio connector output, speakers and headphones independent dual-amplifier design, inserted into the
headphones, built-in amplifier mute switch to headphone output.
Battery Parameters:3.7V/4000mAh,18.5Wh,Li-ion
battery size 80x50x8mmCurrent Consumption:about
3.7V/350mA,using time about 10 hours
Communication interface: built-in CH340 USB to serial chip, through the
TYPE-C interface to external communications, support for online upgrades
Size and weight: L142 * W30 * H80mm (excluding antenna connector and
antenna), body weight 450g
Infrared Remote Control.
Supports all key functions, numeric keypad for frequency input
Description
Description
PE5PVB Project:https://github.com/PE5PVB/TEF6686_ESP32
Basic operations.
ON/OFF button: power switch, encoder (ROTARY) mode switching, long press
ON/OFF button for 3 seconds to turn on or turn off the power, after the power
on, short press the encoder once for the volume, continuous short press the
encoder for the ambient light to choose
Function, short press once to exit.
ROTARY (encoder): Power on is to adjust the frequency, short press the on/off button once is for the
volume level, and enter the setting interface for the shift function. Short press on the center button
is step switching, long press is to open iMS and EQ.
ON/OFF button: power switch, encoder (ROTARY) mode switching, long press
ON/OFF button for 3 seconds to turn on or turn off the power, after the power
on, short press the encoder once for the volume, continuous short press the
encoder for the ambient light to choose
Function, short press once to exit.
ROTARY (encoder): Power on is to adjust the frequency, short press the on/off button once is for the
volume level, and enter the setting interface for the shift function. Short press on the center button
is step switching, long press is to open iMS and EQ.
BW button: bandwidth selection Short press in FM mode:Stereo/Mono switching
Long press in FM mode: demodulation bandwidth switching, switching between
56/64/72/84/97/114/133/151/168/184/200/217/236/254/287/287/311kHz/AUTOBW.
can also be selected by pressing and holding the BW button and using the TUNING knob
Short press in AM mode: demodulation bandwidth switching, switching between 3/4/6/8kHz
Long press in FM mode: demodulation bandwidth switching, switching between
56/64/72/84/97/114/133/151/168/184/200/217/236/254/287/287/311kHz/AUTOBW.
can also be selected by pressing and holding the BW button and using the TUNING knob
Short press in AM mode: demodulation bandwidth switching, switching between 3/4/6/8kHz
MODE button: tuning mode Short press:MAN(manual FM)/AUTO(auto search)/MEM(station
operation) mode switchingLong press:Open menu page
operation) mode switchingLong press:Open menu page
AM/MF button: band selection Short press: band switching, switching between LW/MW/SW/OIRT/FM
In FM mode long press:to open the Advanced RDS view/Alternative Frequency view, the
In FM mode long press:to open the Advanced RDS view/Alternative Frequency view, the
Frequency range.
65-108 MHz for Russia/Eastern Europe
76-95 MHz suitable for Japan
76-108 MHz suitable for campus broadcasting
FM 87-108MHz for
Europe/Oceania/Africa/Asia 87.5-108MHz
for China/USA
OIRT default step 30kHz,FM step
50/100/200kHz,default 100kHz shortwave 1700-27000kHz
default step 5kHz
522-1791kHz in default steps of 9kHz
Mid-wave 520-1720kHz default
step 10kHz Long-wave 144-
513kHz default step 9kHz
Receiving indicator:Tie rod
antenna receiving
sensitivity selective
FM(S/N=30dB)≤0.5uVFM≥60dB(±150kHz)
Shortwave
SW(S/N=20dB)≤10uVSW≥60dB(BW=3kHz/+5kHz)Mediumw
ave
MW(S/N=20dB)≤10uVMW≥60dB(BW=3kHz/±9kHz)Longwa
ve LW(S/N=20dB)≤10uVLW≥60dB(BW=3kHz/+9kHz)
Antenna interface: full band with external antenna, standard BNC external button hole
Speaker output: the use of digital audio amplifier chip, drive 45x45mm large size wide frequency cavity
speakers, power 4Ω/5W.
Output noise is lower, distortion is small, volume up does not distort, built-in always speaker,
circuit design is stereo, stereo channel please set to mono (mixing mode)
Headphone output: the use of imported freight chip, easy to connect to the amplifier, standard 3.5mm
audio connector output, speakers and headphones independent dual-amplifier design, inserted into the
headphones, built-in amplifier mute switch to headphone output.
Battery Parameters:3.7V/4000mAh,18.5Wh,Li-ion
battery size 80x50x8mmCurrent Consumption:about
3.7V/350mA,using time about 10 hours
Communication interface: built-in CH340 USB to serial chip, through the
TYPE-C interface to external communications, support for online upgrades
Size and weight: L142 * W30 * H80mm (excluding antenna connector and
antenna), body weight 450g
Infrared Remote Control.
Supports all key functions, numeric keypad for frequency input
76-95 MHz suitable for Japan
76-108 MHz suitable for campus broadcasting
FM 87-108MHz for
Europe/Oceania/Africa/Asia 87.5-108MHz
for China/USA
OIRT default step 30kHz,FM step
50/100/200kHz,default 100kHz shortwave 1700-27000kHz
default step 5kHz
522-1791kHz in default steps of 9kHz
Mid-wave 520-1720kHz default
step 10kHz Long-wave 144-
513kHz default step 9kHz
Receiving indicator:Tie rod
antenna receiving
sensitivity selective
FM(S/N=30dB)≤0.5uVFM≥60dB(±150kHz)
Shortwave
SW(S/N=20dB)≤10uVSW≥60dB(BW=3kHz/+5kHz)Mediumw
ave
MW(S/N=20dB)≤10uVMW≥60dB(BW=3kHz/±9kHz)Longwa
ve LW(S/N=20dB)≤10uVLW≥60dB(BW=3kHz/+9kHz)
Antenna interface: full band with external antenna, standard BNC external button hole
Speaker output: the use of digital audio amplifier chip, drive 45x45mm large size wide frequency cavity
speakers, power 4Ω/5W.
Output noise is lower, distortion is small, volume up does not distort, built-in always speaker,
circuit design is stereo, stereo channel please set to mono (mixing mode)
Headphone output: the use of imported freight chip, easy to connect to the amplifier, standard 3.5mm
audio connector output, speakers and headphones independent dual-amplifier design, inserted into the
headphones, built-in amplifier mute switch to headphone output.
Battery Parameters:3.7V/4000mAh,18.5Wh,Li-ion
battery size 80x50x8mmCurrent Consumption:about
3.7V/350mA,using time about 10 hours
Communication interface: built-in CH340 USB to serial chip, through the
TYPE-C interface to external communications, support for online upgrades
Size and weight: L142 * W30 * H80mm (excluding antenna connector and
antenna), body weight 450g
Infrared Remote Control.
Supports all key functions, numeric keypad for frequency input
Item Specifics
Item Specifics
