HowStuffWorks "5 Tips to Improve Your Wireless Connection"
Replace your Antenna
The antennas shipped with most routers are small antennas with omni-directional capabilities. These antennas broadcast a signal in all directions, which can be useful if you need wireless throughout your house, but the range is quite short. A directional antenna can improve range by focusing the signal in a specific way, allowing you to aim it where it's needed. These antennas are often called "high-gain" and the signal increase is measured in decibels (dB).
The antennas shipped with most routers are small antennas with omni-directional capabilities.
Does this sentence sound good? What do you think of the following sentences?
- Most routers have a small antenna with omni-directional capabilities.
- A small antenna with omni-directional capabilities is attached to most routers.
He started out like this:
"The antennas shipped with most routers are small ones with omni-directional capabilities."
But he mentally revised this to delete that odd "ones with" phrase, and replaced the word "ones" by repeating "antennas."
Your first suggested sentence
- "Most routers have a small antenna with omni-directional capabilities"
would be a better choice than the writer's decision, except that your sentence omits the idea of "the antenna you have been shipped."
If you replace your "have" with "are shipped with," you get a good sentence except for the repetition of the word "with."
- Most routers are shipped with a small antenna with omni-directional capabilities.
This perhaps does not make the same two-item list of the properties of the antennas shipped with most routers:
1) they are small
2) they are omnidirectional