The JHEMCU VTX20 is a small analog video transmitter designed to fit into a 20×20 mm stack. The transmitter offers an adjustable output power of 25–600 mW. Output power, band, and channel can be configured either using the button or more conveniently via the flight controller using the IRC Tramp protocol. The VTX features a metal heatsink for efficient heat dissipation and mechanical protection. It can be powered within a range of 7–26 V (2–6S) and provides a 5 V output for powering a camera.