Equipment using advanced modulation system and built-in PLL frequency audio pre-emphasis limiter and low-pass filter circuit.</br>The FM Transmitter uses the control panel buttons to control the frequency to avoid any needs to reset the FM Transmitter</br>Well-shielded compact structure small size generous appearance plug and play very easy to use</br>Control circuit board design and amplifier design to reduce noise so sound quality is even better</br>Transmission distance more than 300 meters (In the line of sight field open land)</br></br>Product Description</br></br><b>Feature:</b><br>The Signstek 0.5W Long Range Dual Mode Stereo Broadcast FM Transmitter broadcasts in both High and Low Power Output Modes (0.5 Watt or 0.1 Watt) <br>It is available for use in factories schools supermarkets farms office space or creating your own radio stationetc <br>The FM Transmitter will not drift between stations because of our advanced stereo PLL Digital Tuner Technology and which is designed to operate non-stop 24/7 <br>The product crust is made of high-quality aluminum which also is the heating panel of power amplifier RD06HVF1?? with blue back-light LCD to display five digits of frequency <br>The motherboard is applied with chip BH1415F?? which is the new-generation integrated NC FM stereo radio chip by ROHM?? built-in PLL frequency?? audio pre-emphasis?? limiter and low pass filt