12V DIY Kit Digital LED Radio Station 7W PLL Stereo FM Transmitter 76M－108MHz

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Description<br>Features :<br>Note: it's DIY kits, not assembled, need solder yourself, requires buyer have good welding knowledge and skills, otherwise please purchase finished produt. Do not accept return after welding, please consider before buy.<br>This suite is bulk package, need buyers to welding (relatively difficult welding chip we have welding welding) without having to worry about, without any test. After welding can be used in accordance with the specifications set! Without any other debugging! While all of the materials for electronic information, buyers need to leave email after purchase we unified the hair! Or online to send!<br>This kit includes all the components and circuit boards, but does not include the power supply, antenna, cable, audio cable and coaxial cable.<br>A 7W FM transmitter without any debugging. Need you're a novice or a veteran, as long as you will welding, you can 100% successful DIY a high-quality FM transmitter<br>Control panel components: mainly consists of 51 series microcontroller and a dot matrix LCD display screen and a keyboard.<br>Launch plate parts: digital FM radio chip launch sc3355 + 9018 + 2 + 2 + RD15HV sc2053 level 4 high frequency power amplifier and power regulation components.<br>Transmitter suite key features:<br>1, DSP + PLL technology, make the frequency more stable, the frequency does not change with the environment and produce frequency drift.<br>2, no need any adjustment, bring the fun of DIY to beginners.<br>3, the frequency can be continuous adjustment within the specified scope.<br>4, with microphone input interface, and can through digital potentiometer to control the volume of the microphone.<br>5, audio input by digital potentiometer which can adjust the volume.<br>6, power can be between 0.1 W and 7 W maximum power continuous adjustment.<br>7, the power output network for harmonic suppression is very good, make the output spectrum is more clean<br>8, set the frequency and volume of power lost protection, the next boot does not need to set up again!<br>Suite main parameters:<br>1, the input voltage: dc 12 v<br>About 2, input current 3.0 A<br>3, the audio signal: the maximum input Vpp is less than 1 v.<br>4, microphone types: cylinder microphone or microphones!!!!<br>5, the output power: 0.5 W - 7 W continuous adjustable!<br>6, the output impedance: 50 Ω<br>7, working frequency: 76 m - 108 MHZ<br>Step: 8, frequency of 0.1 MHz<br>9, the distortion degree: 0.03% ~ 0.1%<br>A, the board size: fire board: 100 x 60 mm (excluding fin)<br>Control panel: 58 x 36 mm<br>B, the launch distance: more than 8 km (premise is open field emission)<br>C, stereo separation degree: greater than 63 db<br>The suite is demanded by beginners special design, basic no debugging, debugging difficulty is basic for 0. 100% as long as according to the correct welding operation can be successful. Whether you are veteran or a rookie, all can enjoy to spend the least cost FM launch DIY fun! As for patch welding, we don't have to worry about too much, this suite USES capacitive resistor strips are 0805 encapsulation, welding board and plug-ins is the same<br>Antenna must be used in this transmitter 50 ohms, frequency of about 100 m antenna, shall not be used conductor, rod antenna, 2.4 G antennas, radio antennas instead<br>Package<br>1 x7 w FM stereo PLL FM transmitter kit parts<br>1x LCD Screen<br>Payment<br>Payment :<br>(1).<br>We accept PayPal only.<br>(2).<br>We only ship the item to your Paypal address for fast and accurate shipment. If you want to change the address, please add a note when you make the payment. after you have paid.<br>(3).<br>If you are paying through Paypal using eCheck, note that your item can be shipped only after eCheck has cleared.<br>(4).<br>All payments are expected within 7 days after the last winning auction is closed. A non-payment dispute will be opened if full payment is not received.<br>(5).After you have won the auction, an email will be sent to your eBay registered email address.<br>Delivery details<br>Under normal circumstances, United States Buyers'package is expected to be delivered within<br>9 to 15 business days with tracking<br>. other countries are<br>18 to 21 business days without tracking(If you n