Network Cables and Connectors For Sale

Nic Adapter

Who makes the best desktop wireless nic card for transmit and receive distance?

I need one with an external antenna adapter also.
Why is it that you ask a simple question, you get an exotic answer? I have a degree in radio com and have been in it for 35 years now, know yagi antennae, have built many as a ham operator, have dxed the world 100 times over. I am simply looking for the nic with the highest gain rating. I simply want to bring out the old ham in me and do some neighborhood war gaming! So far, Mike 2 is the man here.

are you going from one computer to another? If so, you will need a pringles type antenna... or are you trying to get large distance to multiple computers.

A better Omni Antenna usually does not improve much indoor Wireless. A directional Antenna does better, but would restrict the signal to onedirection.

Scenario 1: One floor house, the living room has a cathedral ceiling, and all the rest of the house is basically around the Living room.

A Ceiling Antenna was installed a few feet bellow the Apex of the ceiling. The result Wireless coverage of the whole house and 60' around the outside. (The Wireless Router is near the computer, the Antenna is connected with extension coax).

Cost: $20 - $40 for an Antenna + $15 - $35 for coax cable.

Note* This type of solution works well when it is one big open space with single rooms around. It is not advisable for an environment with multi levels and serious of rooms (one after the other) separated by walls.

Scenario 2: A "normal" two floors house. The Internet Modem and the Router are in the Den and the signal can not cover the whole house, it usually covers the Computer room and the direct rooms next, sideway, and above.

Additional Access Point was installed and physically put on a high pedestal near the staircase in the hallway. The AP was connected to the den's Wireless Router with a long CAT5 cable. The result a total converge of all the house with good Wireless signal.

As oppose to the solution in Scenario One, putting a better Antenna on the Wireless source in a multi level multi room environment, would not benefit as much as adding a second unit in a better location.

Cost: $20 (on sale) for Wireless Router (used as an Access point) + few $$ for CAT5e cable.

Since the price of Wireless Routers is much lower than the price of Access Points.

Getting a better designed Omni Directional Antenna (which is usually in the 4-8 dbi range) might improve somewhat indoor propagation, but it is usually a minimal improvement and might results in a gain of few feet. In an Indoor envioroment there are many obstructions that absorb the Wireless signal and a better Antenna would not provide a signal to the extend that would overcome these absorptions.

If you do have a Wireless connection in a remote room, but it is unstable, or and provide border line functionality, a better Omni directional Antenna might help to stabilize the connection, but it probably will not stretch the distance further more..

Getting a Real Hi Gain Uni-Directional Antenna will work better, since Uni-Directional Antenna concentrate the signal in one direction. However a Uni-Directional Antenna would restrict the Wireless availability to one specific direction, and thus might be not suitable to cover your designated area.

Uni-Directional Antennae are much more suitable to outdoor bridging. With a direct line of site and a Good Uni-Directional Antenna you would be able to Bridge Hundreds of feet (might be even few miles if the Antennae are installed on high towers).

Wireless Hardware usually come with the Antenna attached directly to the output plug of the unit. Some times better propagation might be achieved by placing the Antenna in a better location. To do so you need to have a Wireless unit with a removable external Antenna and you need an Extension Coax cable. Unlike Network CAT5e cables that can carry the Network Signal for few hundreds feet without significant loses, a typical Coax that is used for 2.4GHz Wireless loses 4db per 10 feet

In other words (as an example) if you take off the 2dbi antenna and install 8dbi Antenna using 20' of coax the total gain is Zero.

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