| This board was welded. |
| Operating voltage [3-5V]. |
| Operating current [10-50MA]. |
| Transmission range [5-30 m] (subject to the power supply voltage and environmental). |
| Antenna port [Yes]. |
| Instruction documents [No]. |
| Frequency [Continuously adjustable] [default 5V-99.8MHZ]. |
| Volume Adjustment [No]. |
| MIC microphone [Yes]. |
| FM modulation mode [FM 76-110MHZ or less] (not stereo). |
| PCB board size [length 63mm, width 41mm, 1.6mm thick]. |
| Simple installation: access to DC power supply, turn on MIC or access MP3. use your radio in 99.8MHZ can manually search nearby]. |
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