Carterfone
（重定向自Carterfone decision）
![An original 1959 Carterfone made by Carter Electronics, on display at the Computer History Museum](/Images/godic/202501/03/Carterfone_cradle_at_CHM.agr1913.png")
The Carterfone is a device invented by Thomas Carter. It manually connects a two-way radio system to the telephone system, allowing someone on the radio to talk to someone on the phone. This makes it a direct predecessor to today's autopatch.