Medium Wave Transmitter DIY Kit for School Training This kit is designed for medium wave wireless enthusiasts and allows for effective testing of radio performance. Features: - Loose parts include essential components and audio cables; frequency adjustments are required by the user. - Fully assembled board available when powered on, includes audio cable. - Power supply: Requires 9V2A DC (self-provided), with a 5.5 interface and internal positive/outer negative connection. - Transmission frequency range: 530 to 1600 KHZ (medium wave band). - Adjustable transmission power from 20 to 500 milliwatts, effective within 5 to 10 meters. - Antenna constructed from 1.5 to 2.5 copper wire for 5m indoors. - Audio input: Dual 3.5mm connectors attached to the board; compatible with CD players, desktops, mobile phones, etc. - Ideal for students learning about wireless signal generation and audio modulation. Packing: 1 piece Condition: 100% New