Short answer
For most homes with one floor, point standard external antennas straight up. In a multi-story home, keep most antennas vertical and angle one or two sideways or at a tilt to help signal reach other floors. If your router’s manual gives specific advice, follow it.
How an antenna radiates
A typical router antenna is omnidirectional, which means it sends signal out in a rough donut shape around the antenna. The signal is strongest to the sides of the antenna and weaker directly off the tip. So a vertical antenna spreads signal mostly sideways across the same floor, while a horizontal antenna sends more signal up and down.
This is why pointing an antenna at your laptop does not work the way many people expect.
Direction by situation
| Situation | Suggested antenna position |
|---|---|
| Single-story home or apartment | All vertical |
| Two or more floors | Mostly vertical, one or two tilted or horizontal |
| Router with several antennas | Mix positions rather than all the same |
| Router with internal antennas | Not adjustable; follow the manual |
| Router with beamforming | Check the manual, as some makers suggest keeping antennas upright |
If you tilt an antenna, an angle somewhere around 30 to 45 degrees is a common suggestion. Treat it as a starting point and test.
Multiple antennas
Routers with several antennas use them together. Varying the orientation can help devices with differently oriented antennas, such as phones and laptops, get a good signal. Still, results vary by model and home, so test rather than assume.
Check your manual
Manufacturers differ. Some routers are meant to stand vertically, some to lie flat, and some to be wall-mounted. If you are unsure what your router’s antennas and ports are, see how to identify your router’s components. The antenna advice in the manual for your model should take priority over general rules.
Finding which direction a signal is coming from
You cannot see Wi-Fi direction directly. A practical approach is to walk around with a phone or laptop running a speed test, or a Wi-Fi signal-strength app, and note where the signal is strongest and weakest. Signal usually strengthens as you approach the router, though walls and objects can distort that. For the full process, see how to adjust router antennas.
Should you turn Wi-Fi off at night?
Some people switch it off for habit or to reduce exposure. For connection quality it is not needed, and a router can be left on. It is a personal choice. If you do, note that some devices, such as smart home gear or security cameras, need it on. See should you unplug your router at night and how to set a timer on your Wi-Fi router.
Antenna direction is only part of the picture
Where the router sits usually matters more. If you are deciding between floors, see where to put your router.
FAQ
Which way should I point my antenna? Upright for a single floor. Mix vertical and angled for several floors.
How do I make my router signal stronger? Improve placement first, keep antennas uncovered, then adjust their angles and test.
Does it matter if all antennas point the same way? It may reduce coverage for some devices, so mixing is often suggested on multi-story homes.