朱斌 Published at: 2025-12-24 What frequency range does Syscom421S work in? For Syscom421SA: The Syscom421S works on5.1~5.8GHz frequency.Contact with UsRequest a Repair: "Click Here"Request Technical Support: "Click Here" Submit Feedback Previous 422/485 cable is all connected, but why still failed to control a PTZ camera? Next Does Syscom421S have 4 transmitters, which will occupy4 channels? How many sets of Syscom421S can be used in the same scene at most?
