Yes, you can switch to a high-power antenna on your router.
Yes, you can switch to a high-power antenna on your router.
If you're using high-gain antennas, it can be tricky to understand. These antennas are designed to be more sensitive. I'm not entirely sure how they function in real life—just checked them during my time in the Wireless G days when I faced signal problems. What kind of home structure do you have? That might be the issue.
It can act like a double-edged sword because even with a wider range, the interference from nearby networks increases. More importantly, enhancing the signal on the same floor reduces it elsewhere. Still, there are situations where clients can easily catch the signal but you can’t receive it back—boosting antenna gain can help in such cases, especially if you already have coverage. The greatest advantage remains directional antennas instead of trying to raise gain everywhere. Ultimately, it’s a significant waste of time unless you can route Ethernet directly to your desired WiFi area; placing an additional access point is far more effective than stretching your main router’s reach.
I believe it’s fine if it doesn’t reach the lower floor of the house. I’m considering using the old wireless N router again since the replies in this thread plus our previous ISP provided a very long Ethernet cable (I don’t know if it’s Cat5e, but it doesn’t matter because we won’t need 100 Mbps). The only challenge is moving the modem-router to a better spot—it’s connected to our cable TV, so I can’t do that alone. What I really want is to get through one wall without needing a long range that our neighbor could detect our Wi-Fi signal. Usually, solid concrete like a wall reduces strength from 3 bars down to 1 or even 2 bars (as seen with the iPhone’s Wi-Fi icon).
Many folks tease us Americans for relying on wood construction. Yet we face far fewer problems with our WiFi. The best solution? Install a wire and set up individual access points. Even Hi gain antennas can be tricky, and even then, upgrading all devices isn’t guaranteed to deliver the desired performance.
If you're discussing a large residence, remember not everyone resides there. Many U.S. homes are older, and the structure where I live was built partially in the 1930s due to economic conditions. Add-ons were added over time, and insulation quality varies widely. Some use bat insulation, others blown-in or foam, depending on the situation. However, concrete is the least ideal material among these options. Insulation is typically limited to exterior walls rather than interior ones. Another factor is that newer homes often feature open floor plans, reducing interior walls and improving WiFi performance. The person asking this question lives in a concrete bunker and is puzzled by weak WiFi. It makes sense why. I’m surprised fewer homes are designed with WiFi or networking in mind. Having Cat 6 cabling standard in walls should be expected in new builds.
It's quite surprising what some people overlook. A recent report highlighted how a new home, still under construction, only had phone jacks despite being in an area ready for FTTP. This shows a lot of missed opportunity. If architects had planned WiFi placement during design and wired it properly, coverage would be vastly improved.
It really doesn't matter. In fact, you're mostly inside a concrete shelter. Concrete and internet don't go well together. The best solution is to install wired access points throughout your house connected to a main hub.