See: PowerStar

Powerstar have introduced their new Sanwa FHSS compatible RS-472HV suitable for radios such as MT-4, MTS, MT-4S, MT-44, M12, M12S and M17. The receiver is compatible with 3.5-8.4v range, making it usable with LiHV as well. It offers a small footprint, measuring 35.5×23.3×12.7mm and a short antenna, making installation easy even in tight spots. The full-range 4-channel receiver is upgradable and is available now.