5W-7W FM Transmitter Broadcasting Station PLL Stereo Digital Frequency KITS + LCD Display

Description This kits 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 This kit includes all the components and circuit boards but does not include the power supply antenna cable audio cable and coaxial cable A 7W FM transmitter without any debugging Need you re a novice or a veteran as long as you will welding you can successful DIY a high quality FM transmitterControl panel components mainly consists of 51 series microcontroller and a dot matrix LCD display screen and a keyboard Launch plate parts digital FM radio chip launch sc3355 9018 2 2 RD15HV sc2053 level 4 high frequency power amplifier and power regulation components Transmitter kits key features 1 DSP PLL technology make the frequency more stable the frequency does not change with the environment and produce frequency drift 2 no need any adjustment bring the fun of DIY to beginners 3 the frequency can be continuous adjustment within the specified scope 4 with microphone input interface and can through digital potentiometer to control the volume of the microphone 5 audio input by digital potentiometer which can adjust the volume 6 power can be between 0 1 W a