1. The Kit Includes All Components And Circuit Boards But Does Not Include Power Supply, Antenna, Cables, Audio Cables And Coaxial Cables. 2.15W Fm Transmitter, No Need For Any Debugging. 3. Whether You Are A Novice Or A , As Long As You Are Willing To Weld, You Can 100% Successfully Diy A High-Quality Fm Transmitter. 4. Control Panel Components: Mainly Composed Of 51 Series Microcontroller, Dot Matrix Lcd Display And Keyboard. 5. Launch Board Components: Digital Fm Radio Chip Transmits Sc3355+9018+2+2+Rd15hv Sc2053 Four-Level High-Frequency Power Amplifier And Power Adjustment Components. Description: The main parameters: 1. Input voltage: DC12V. 2, Approximately input current 3.0 A. 3. Audio signal: The maximum input Vpp is less than 1V. 4. Microphone type: cylinder microphone or microphone. 5. Output power: 15W. 6. Output impedance: 50. 7. Working frequency: 76 meters-108 MHz. 8, Step: frequency is 0.1MHz. 9. Deformation degree: 0.03%~0.1% A. Board size: Fireproof board: 150x 60 mm (excluding fins) Control panel: 58x36mm B. Launch distance: more than 8 kilometers (provided that the launch is in an open field) C. Stereo separation: 63 decibels This kit is a required by beginners. There is basically no debugging, and the debugging difficulty is basically 0. It can be 100% successful as long as you follow the correct welding operation. Whether you are a or a newbie, you can enjoy the DIY fun of FM publishing with the least cost! As for repair welding, we don't have to worry too much. The capacitor and resistor strips used in this set are all in 0805 packages. The welding board and plug-in are the same. This transmitter must use a 50 ohm antenna with a frequency of approximately 100 meters. Conductors, rod antennas, 2.4 G antennas, radio antennas are not allowed. Material: PCB colour: As shown N: Depending on the batch, the appearance, color, and printing of the product , which does not affect use. Package Contents: 1 x 15W Fm Stereo Phase-Locked Fm Transmitter Module 1 x LCD Screen 1 Set x Installation Tools And Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.