Radio?
The 2.T30.002-30 is a heavy-duty industrial Portable Radio transmitter designed for field use in demanding conditions. It features a rugged waterproof housing, a standard 8W output, and a frequency range that covers up to 30MHz. It also has a PTT button, an antenna port, and a power switch. The transmitter is capable of transmitting up to 50km with directional antennas and up to 20km with an indoor omni-directional antenna. It's portable, lightweight, and has a long operating time; it's an ideal choice for field operations, disaster relief efforts, voice communications, and emergency situations.