Wednesday, July 25, 2012

Three Quality Grid Antenna Factors

3 Factors in a Quality Grid Antenna

Grid Antenna - A type of antenna which employs an open-frame grid as a reflector, rather than a solid one. The grid spacing is sufficiently small to ensure that waves of the desired frequency cannot pass through, and are hence reflected back toward the driven element.

A typical grid antenna mounted on a pole or mastGrid antennas are very popular for directional wireless applications. They provide a nice, controlled beam width and a high relative gain, and their grid construction makes them resistant to wind. But there are a lot of options out there, ranging from the very cheap to the very expensive. How do you know what you need? What are the factors you should consider before you place your order? We have three suggestions that make sense.

Monday, July 16, 2012

Shielded Waterproof USB Cables, Bulkheads, and Covers

Waterproof USB: Shielded vs. Unshielded

( Shielded Waterproof USB 2.0 Cable with Type A Female to Type A Male

A lot of people already know about L-com's large selection of waterproof and IP67 rated USB cables, panel-mount adapters, and connector covers. But do you know about the various shielding options available? In order to ensure the high-speed connection that USB technology offers, it is important to ground the shield in the cable, and that goes the same for the waterproof cables.

Tuesday, July 10, 2012

How Important are Right Angles in Connectivity?

Why Use a Right Angle Cable or Adapter?

( Compare a bent cable to L-com's right angle D-sub adapter

L-com offers a lot of right angle products, including cable assemblies with right angle connectors at the ends, and adapters that allow cables to bend at 90°. And they're continuing to add more right angle equipment every month, as this recent press release shows. One question is: why? Why are right angle products so popular, and why is their popularity gaining? What is the problem that they are solving?