Types and potential for physical interference Yes, if you live near an area where a lot of things get blown up the radio signals used could interfere with your device. iPhone, iPod touch, and iPad may conflict with hearing aids as well. Pacemakers Obviously you shouldn't carry your iPhone or iPod touch in your pocket if you have a pacemaker.(We've even been told stories of elevators, when they're on the same floor, causing intermittent problems.) Try repositioning your router or even adding a second router as a bridge if you're trying to cover a large area. Physical barriers Depending on what they're made of and their RF absorption and obstruction rates, walls and floors and other physical obstructions can cause interference.If you think it's a neighbor's device causing the problem, again, try changing the channel on your router.
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Other phones, speakers, baby monitors, garage door openers, or anything else on the same 2.4Ghz or 5Ghz frequency can cause interference. Other wireless devices on the same frequency.If you think you may have an issue with them try repositioning your router, or changing channels. There's a lot of debate about whether or not these are practical sources of interference for modern home Wi-Fi routers.
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WIFI INTERFERENCE TEST IPHONE CODE
The “RX” code displays the signal strength of each
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In particular, the information displayed in the Field Test mode allows users to discover exactly which tower their phone is connecting to and which frequency band (WiFi) the signals are being sent on. This will special mode allows users to find out a range of information about the phone’s connection to the network. You can however detect what cell tower frequency your phone uses by using Field Test mode. If you are not adverse to doing so there may be an app in the Cydia app store that will show more meaningful information with regard to WiFi frequency information. This answer assumes you do not want to JailBreak your iPhone. I can't provide you an exact process as every router is different. You should be able to tell via the wireless router your connected to in it's logging functions, WiFi client list or some similar mechanism within the router. You can not tell from the iPhone directly (as of iOS version 7 native).