Cell phones emit radiofrequency (RF) radiation, which is a form of non-ionizing electromagnetic radiation. The amount of RF radiation emitted by a cell phone can vary depending on its mode of operation and usage.
During an active phone call, a cell phone typically emits more RF radiation than when it is in standby or idle mode. This is because during a call, the phone is actively transmitting and receiving signals to establish and maintain the connection. The RF radiation exposure from a phone call is generally considered to be higher than when the phone is not in use but is still powered on.
When a cell phone is placed in "airplane mode," it disables its cellular, Wi-Fi, and Bluetooth connections. This mode is designed to comply with regulations that require electronic devices to be turned off or have their wireless features disabled during flights. In airplane mode, the cell phone's RF transmissions are significantly reduced or turned off, which can result in lower RF radiation exposure compared to normal operation.
It's important to note that while cell phones do emit RF radiation, the levels are typically within the safety limits set by regulatory authorities. Organizations such as the Federal Communications Commission (FCC) in the United States establish guidelines to ensure that cell phones and other wireless devices operate within safe limits to minimize potential health risks.
If you are concerned about RF radiation exposure from cell phones, you can take additional steps to reduce your exposure, such as using speakerphone or a hands-free device, keeping the phone away from your body during calls, or using texting instead of making lengthy voice calls. Additionally, manufacturers often provide specific guidance on how to reduce exposure in the user manuals of their devices.
It's always a good idea to stay informed about the latest research and recommendations regarding RF radiation exposure and to follow the guidelines provided by regulatory authorities and device manufacturers.