The transmission frequency covers China, Japan, Europe FM band, 78MHz to 108MHz adjustable, input coupling and signal coding, through the precision algorithm design, the sound is demodulated and played back, whether high or low, there is first-class performance, the sound quality is very Well, the distortion rate and signal-to-noise ratio have already met the national standard and have reached the broadcast standard.
Two-channel stereo FM transmitter module
Working voltage: DC 3V-16V
Working current: 17mA
Size: length 49mm, width 31mm
Function description:
.... 2-channel FM stereo transmission.....
....Power-off memory function.....
.... working frequency display.....
.... Input volume and transmission frequency are adjustable....
.... support wide voltage supply....
.... working current, small emission efficiency, high power supply, durable...
....Restore factory settings....
.... ultra low back noise.....
Instructions for use:
- Key: short press, frequency reduction, 0.1MHz;
+ key: Short press, increase the frequency by 0.1MHz, long press, restore factory settings;
VOL button: long press, enter the input volume adjustment state, a total of 5 files, through the +- button to adjust;
Press any key to wake up the backlight. After the backlight is on for 30 seconds, it will automatically go out. LCD screen, no operation for 3 minutes, automatically turn off the display.
The audio signal input has 5 volume, the 1st volume is the smallest, the 5th volume is the largest, the factory default is 3, the input signal is adjusted by the principle: the input audio signal should be adjusted to the maximum without distortion. Most appropriate, this will get the maximum audio signal-to-noise ratio during playback; the beginner can use it without first adjusting it.
Package Contents
100% Brand New
1 x FM board
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Items will go to post within 1-2 business days after payment confirmed.
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If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money.
We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money. - If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
- If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.