The typical concern, though, is of interference with an aircraft's sensitive navigation (ILS/LOC, G/S, NDB, GPS/WAAS, radio altimeter) and communication (HF, VHF, SATCOM) receivers (it's possible to interfere with the transponder/TCAS and weather radar signals as well, but those aren't quite the same level of concern as say the glideslope is), from intentionally emitting PEDs -- cell phones (especially GSM phones, as the GSM air interface is more EMI-prone than that a CDMA phone is) and 2 ... Do cell phones interfere with communications on airplanes? Experts have debated for years whether it is safe to use cell phones on airplanes. Most of the evidence suggesting that it interferes ... What makes the Jitterbug Smart2 cell phone different from other cell phones? The Jitterbug Smart2 was designed specifically with senior citizens and those with limited cell phone experience in mind. The menus are easy to read and super simple to navigate, just what a new cell phone user needs. Oct 23, 2013 · It doesn't matter if the device uses electromagnetic waves for communication (such as cell phones) -- it'll still emit radiation. Yes, smartphones have "airplane mode" now, but even that doesn't eliminate radiation. To prove this, you can try apps like Tawkon which claim to be able to measure your phone's radiation.