Medium Wave AM Radio Transmitter DIY Module penetrate through certain buildings
Transmit Power: Adjustable 20mW - 500mW (usable within 5-10m). Starter Recoil Pull Start For Echo ES-250 ES-252 PB-250 PB-252 PB-250LN BLOWER B. Free-Drive HDMI Male to RCA Female Composite AV Audio Video Adapter TV Converter.