How to Use an Outdoor WiFi Antenna
There are few limitations to the coverage and connection quality provided by wireless Internet connections. On occasion, longer distances and installation issues may require a certain type of connection or extension. Using an outdoor WiFi antenna can extend the reception to satellite computers and laptops, allowing an Internet connection nearly anywhere.
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Instructions
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Determine the type of connection needed for amplification. Is this a point-to-point or point-to-multipoint application? The differences between the two will dictate the type of antenna. P2P is typically for broadcasting to a specific area outside of the home, such as beaming to an outbuilding, gazebo or guest house. P2MP is for an Internal wireless area network, the most common application. Decide which is the priority.
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Select a parabolic antenna for long distances; these look like a small satellite dish. Although capable of transmitting for miles, they are highly directional. But sending a signal of this power means that directionality will be affected more by trees, buildings and changes in terrain.
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Choose a Yagi antenna for less demanding outdoor applications, such as to outbuildings, guest homes, gazebos, and the like. Although less powerful, it is ideal for getting signal a over shorter distances (within 1 or 2 acres), for sharing a broadband signal within a single property area.
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Tips & Warnings
Attempt to evaluate interference prior to determining if an external antenna is really required. Things like microwaves and fluorescent lighting can affect wireless transmissions.
Parabolic antennas have extended broadcast range, and although they are more directional, this matters little in situations where the signal is broadcast to another building. Parabolics are for potentially miles of transmission. Yagi is designed for comparatively shorter-range broadcasting, typically within 1-2 acres or less. These units may require wiring from the router to the antenna for maximum performance. This typically entails running coaxial cable from the router or wireless card to the antenna, similar to how a conventional television's coax leads would be routed to that type of antenna.
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