50 dBm is considered full strength (full bars). All cellular devices operate within this standard: -50 dBm to -120 dBm. They're basically radio waves, the AM/FM kind. Of course, your phone needs a signal to work, so why not reverse engineer the process to see where the closest cell tower is at?īut first, a short and informative explanation about cell phone signal strength.Ĭell phone signals are measured in dBm (decibel-milliwatts). 4) Use Your Smartphone's Antenna to Find Your Cell Tower Location
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While these apps don’t exactly show you how to boost network signal on Android or iPhone, they help in determine the general location of your tower and provide information about the quality of signal strength in your area. When you open the app, it automatically uses your location to display nearby cell towers. However, something is better than nothing. Cell tower location data is sourced from the FCC, so it may not be up to date. It also doesn’t have excessive in-app purchase pop-ups. The Cell Antennas app doesn’t have the best ratings, but it’s one of the few iPhone cell tower locator apps that works. When paired with other techniques (mentioned later), you can get as accurate a picture as possible. They’re also constantly adding and removing services on cell sites. While easy and transparent, there’s no way to verify if it’s 100% accurate.Ĭellular providers don’t publish official cell tower maps. By entering your zip code or address, the interactive map will generate cell tower locations near you. 2) Try a Cell Tower Map WebsiteĬell tower maps make finding your closest 4G and 5G cell towers easy. Hence spotty cell signal, and why finding your cell tower can be important. While you might find yourself covered, these maps are designed for marketing. These sites show an amorphous blob of various colors showing where coverage is supposed to be available. If you’re subscribed to a carrier that’s not listed above, their coverage map should be available on their website. Simply put in your address or zip code and see what networks are available near you. Now, with AT&T, Verizon, and T-Mobile shutting down their 3G mobile networks… It's best to do your homework and confirm your current location is covered by your carrier.Īll carriers have interactive 5G and 4G coverage maps. The 5G rollout has amplified this problem. But, there are many pockets around the United States that aren't served by certain service providers. Many people assume having a nationwide carrier also means nationwide service. If you know your carrier covers your area, skip to the next section. While carrier coverage maps don’t display cell tower locations, they’re still worth mentioning. For Commercial 1) Start with Your Carrier’s 4G/5G Coverage Map
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