Replacement Transmitter Antenna for the following Futaba Radios: / / 3 CH.: 3EGX, 3FG / 4 CH.: 4NL, / 6 CH.: 6NFK, 6NHP, 6NLK, 6NPK, 6V, / 7 CH.: 7NFK / Female threaded section inside antenna base / / INCLUDES: One Transmitter Antenna / kh12-18-01 / updt jxs 2/20/06