There isn't really a limit for cable length. The maximum length is determined by the loss you can afford to lose based on path loss, antenna gain, receiver sensitivity and transmitter power.
About 400 miles.
RS-232 standard is 50 feet.
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100 meters. Which is 324 feet.
100 meters
10mbs. It's known as RG58. Max length is 185 meters.
This depends on the signal and the type of cable. Standard definition digital video signals can be run for 1000 feet or more with low loss broadcast standard cable. HD is limited to around 400 feet with the same cable. However, there are always lower loss cables available to extend the maximum distance. In the home, co-ax cables are often good for in excess of 100 feet although it depends very much on the signal source, the receiver and the cable itself.
Depends what you mean by a serial cable - Fibre, Ethernet, RS232, RS485, RS422, USB, HDMI, SMPTE292 are all examples of serial communications media. RS232 max length 50 ft Ethernet max length 100 m
100m max DO NOT surpass this at all cost. We could all die.
100 Meters per segment, a maximum of 5 segments equaling 500 Meters.
Boeing 747-400 231'10" Length 213' Wingspan Max gross taxi weight 397,800kg.
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