Dc 9V/2a Am Radio Transmitter Experimental Micropower Medium Wave Diy

Transmit Power: Adjustable 20mW - 500mW (usable within 5-10m). 1 x Module. Audio Input: 3.5mm both-end (on-board). Audio Source: CD, desktop, cell phone, etc. 1 x Accessory kit. 1 x Audio Cable. Users may also refer to online installation tutorials for self-installation.