RF Modulators for sale in Hamilton, Ontario | Facebook Marketplace | Facebook
RF Modulator for Nintendo 64
Original Official Nintendo 64 N64 GameCube RF Modulator Adapter Switch NUS-003 | eBay
N64 SNES GC RF Adapter plug | Game Over Videogames
Look what I got: The official Gamecube RF modulator! 💜 : r/Gamecube
Nintendo 64 and GameCube RF Modulator Adapter Demonstration - YouTube
My GameCube setup. 2 memory cards, an RF modulator (for an N64) hooked you to an RF switch (for NES) and a wireless GameCube controller (not shown because the controller is broken) :
Nintendo Gamecube RF Switch / R.. | Køb fra RetroRescue på Tradera (555079230)
Official Nintendo Gamecube RF Switch/ RF Modulator 45496950040 | eBay