patency (plural patencies). ( 1 medicine) The degree of openness of a tube, such as a blood vessel or catheter; the relative absence of blockage. ( 2 uncountable) Obviousness; clarity.
Maximum Length: 16' with a standard cable, Up to 50' with a high quality cable. VGA is an analog signal and so as distance increases the quality will decrease. A lot of factors can determine the maximum cable length, but for low resolutions (up to 800x600) you can reach 100 feet and beyond without too much trouble. For mid-range resolutions of 1280x1024/1024x768 you can typically reach somewhere between 50 to 100 feet.
A VGA cable with DE-15 male connector. The same VGA cable can be used with a variety of supported VGA resolutions, ranging from 640Ã350px @70 Hz (24 MHz of signal bandwidth) to 1280Ã1024px (SXGA) @85 Hz (160 MHz) and up to 2048Ã1536px (QXGA) @85 Hz (388 MHz).