Question: Why Is It Important SAR?

What is the SAR value of Poco x2?

POCO X2 (Atlantis Blue, 64 GB) (6 GB RAM)In The BoxHandset, USB Type C Data Cable, SIM Ejector Tool, User Guide, 27W Fast ChargerOTG CompatibleYesQuick ChargingYesSound Enhancements1217 Super Linear Speaker, Dual Mic MicrophoneSAR ValueHead – 1.080 W/kg, Body – 0.620 W/kg7 more rows.

Is SAR value of 1.5 Dangerous?

Lower is better, although as noted earlier FCC in the US considers SAR level of 1.6W/kg good enough. So don’t worry if your phone has a SAR value of 1.2 or something like that even though most phones are nowadays in the range of 0.5 to 0.6.

What is difference between head SAR and body SAR?

When you hold or carry a mobile device close to your head and body, you can absorb over half of the transmitted RF energy. Cell phone radiation level varies from device to device and is measured by the Specific Absorption Rate (SAR). … For example, the iPhone 6 has a Body SAR of 1.14 W/kg and Head SAR of 1.08 W/kg.

Why is body SAR higher than head SAR?

Tilt positions of mobile phone produce higher SAR than that of cheek position due to the reduced distance between helical antenna and human head. Although the body of the mobile phone was directly next to the head, the antenna extrudes far from the head.

How is SAR calculated?

Specific Absorption Rate (SAR) is a measure of the rate at which energy is absorbed per unit mass by a human body when exposed to a radio frequency (RF) electromagnetic field. … It is defined as the power absorbed per mass of tissue and has units of watts per kilogram (W/kg).

Which Mobile has highest radiation?

Xiaomi and OnePlus devices dominate the list of smartphones emitting the highest radiation levels compiled by Statista based on data from the German Federal Office for Radiation Protection. Chinese smartphone maker Xiaomi’s Mi A1 device emits the highest level of radiation, which is followed by OnePlus 5T.

How can reduce SAR?

With that said, there are a few helpful things you can do to reduce the SAR value of your mobile phone right now.Reduce SAR value by using earphone. … Lower SAR value by using speakerphone. … Use your phone as short as possible. … Use special materia headphone. … Avoiding use phone while its signal is weak.

What is the importance of SAR value?

While SAR values are an important tool in judging the maximum possible exposure to RF energy from a particular model of cell phone, a single SAR value does not provide sufficient information about the amount of RF exposure under typical usage conditions to reliably compare individual cell phone models.

How much SAR is dangerous?

Any cell phone at or below these SAR levels (that is, any phone legally sold in the U.S.) is a “safe” phone, as measured by these standards. The FCC limit for public exposure from cellular telephones is an SAR level of 1.6 watts per kilogram (1.6 W/kg).

How can I reduce my phone radiation?

10 Tips to Limit Your Cell Phone Radiation ExposureAvoid Body Contact. … Text More. … Use Speaker Mode or a Wired Headset. … Shorter Calls. … Limit Kids Cell Phone Use Time. … Switch Sides of Head When Talking. … Avoid Use When Low Signal. … Wait For Call Connection.More items…•

What is the best SAR value?

The list prepared by German Federal Office for Radiation Protection reveals Xiaomi Mi A1 has the highest Specific Absorption Rate (SAR) at 1.75 watts per kilogram. OnePlus 5T ranks second with SAR value at 1.68 watts per kilogram.

Is low SAR value good?

A low SAR smartphone does not make it safer In fact, MCMC outright states that a lower SAR does not make it safer. There are other technical parameters to consider such as the placement of the antenna in a smartphone, operating frequency and more that could affect a person’s health and safety when using a smartphone.

Do SAR values matter?

The SAR value of a mobile device controls the heat the device generates but does not protect you from the adverse health effects on the human body that are caused by the nature of these radiations. Additionally, the SAR level can vary according to the reception you receive on your cell phone.

How does SAR affect the body?

SAR values increase as the conductivities of human body tissues increase and usually decrease as the increase of relative permittivities of human body tissues increase. The effect of the dielectric values of human body on SAR is orientation, human body and frequency dependent.

Which cell phone has highest radiation?

Xiaomi Mi A1 emits the highest level of radiation in a list of current smartphone models, followed by the OnePlus 5T, according to research conducted the German Federal Office for Radiation Protection (Bundesamt für Strahlenschutz).