In addition,
We know why tolls make:
Have you noticed that your music stopped systematically when you pass a toll? In addition to breaking the atmosphere of the trip, it’s quite annoying … However, Fortunately, there are a few solutions. Therefore, We explain it all.
If you have already noticed that your music stopped suddenly. Moreover, that your GPS displayed a black screen, or that your call in hand-free cut battery when going to the toll, rest assured: you are not the only one. In addition, For years. Furthermore, motorists have complained about these microcoupures that disrupt Carplay (on iOS), Android Auto, and more broadly the Bluetooth or WiFi connections of their smartphone in the car. However, Until now, this phenomenon remained mysterious. From now on, we know exactly why the tolls make your connected devices are drunk.
Overlapping waves – We know why tolls make
The main cause is at the level of telepected. The we know why tolls make porticos that equip the highways communicate with the badges placed in vehicles thanks to radio waves. For this, they use the frequency band of 5.8 GHz, ideal for fast and secure exchanges. Problem: it is practically the same beach as that used by the wireless systems of your car.
Indeed. Carplay and Android Auto in Wireless mode, but also certain Bluetooth and WiFi connections used for music or hand-free calls, are based on the 5 GHz band. When you approach a toll, the powerful signals issued by the gantry temporarily saturate this frequency. Result: your entertainment system loses the connection with the smartphone. which causes a sound cut or a temporary gel from the screen. Fortunately, everything usually comes back to normal a few seconds after crossing the portico.
Why does telepaling has priority?
We could expect the manufacturers to find a parade, but the reality is more complex. The National we know why tolls make Frequencies Agency (ANFR) knows this phenomenon well. She recalls that telepaling is a priority for consumer uses such as Carplay or Android Auto. The reason is simple: these systems must work flawless to avoid fraud and guarantee the fluidity of traffic.
The European Union has also established clear regulation: telepal systems benefit from a priority on the 5 GHz band. This means that the risks of interference for our smartphones are a tolerated side effect. for lack of better technical solution to date.
What solutions for motorists?
If these repeated cuts annoy you, there are fortunately some tips. The simplest is to connect your wired smartphone directly via a USB cable. In this case, Carplay and Android Auto no longer go through Bluetooth or WiFi and operate without interruption.
Another option: check in your system settings if you can switch the wireless connection to the 2.4 GHz band. Certainly less rapid, this we know why tolls make frequency is more resistant to the disturbances caused by telepected gantries.
Sources : Frandroid, Anfr
Further reading: PS games plus August 2025: three radically different nuggets, with an acclaimed game, a hardcore game, and a guilty pleasure – 10 years after its opening, an uncertain future for this iconic restaurant in Flers – Forget the MacBook Air, this incredible PC Lenovo takes advantage of an ultimate price this week at Boulanger – Connected but without screen glasses at Samsung – Google Maps: an adored function of drivers removed on Android without any explanation.