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3FT RG11 With BNC Male Connectors Ultra Low Loss 75 Ohm Coax Cable Scanner Satellite Cell
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$14.09

Description

Signal losses are frequency dependent. Don't bother buying a good antenna if you are running cheap cable. Losses can be reduced by increasing the diameter of the cable. A cable with twice the diameter will have half the signal effect resistance loss. Assuming cable quality is equal, the larger cable would halve the dB/meter loss. In designing a system, consider not only the loss in the cable, but also the loss in the connectors. Cheap connectors give you as much loss as cheap cable. On a final note, poorly made LMR600 "type" cable can have a greater signal loss than good LMR400. Run the largest, best quality cable you can afford.

In high quality cable the dimensions and spacing of the conductors are uniform. Any abrupt change in the spacing of the two conductors along the cable tends to reflect radio frequency power back toward the source, causing a condition called standing waves. This acts as a bottleneck, reducing the amount and quality of the transmitted power. To hold the shield at a uniform distance from the central conductor, the space between the two is filled with a plastic dielectric designed to maintain the proper spacing between conductor and shielding to assure maximum signal transmission and lowest loss.

LMR-400 cable is designed for outdoor applications, can be direct buried, and the outer jacket resists ultraviolet light and oxidation. There is no environmental restriction on use or indoor installations.

This LMR400 cable is the 75 Ohm version for indoor/outdoor installs Times Microwave developed the variant for amateur radio and commercial applications wanting to run matched cable runs for Packet Radio, CCTV, Cell and other installs.

You're reviewing: 3FT RG11 With BNC Male Connectors Ultra Low Loss 75 Ohm Coax Cable Scanner Satellite Cell

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