Radiation spots on t60, wireless LAN

T60/T61 series specific matters only
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silverorbit
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Joined: Sun Mar 07, 2010 3:33 pm
Location: madrid, spain

Radiation spots on t60, wireless LAN

#1 Post by silverorbit » Sun Mar 07, 2010 6:59 pm

Hello!

Does anyone know which physical spots on the t60 emit microwave radiation?

I believe the antenna is located in the display (left edge) and that the pci adapter is located approximately below the "4" key. My specific questions are:

1) Does the adapter emit microwave radiation in any considerable ammount?
2) Which are the spots on the t60 that emit microwave radiation of considerable ammount?
3) The SAR values of these spots, specifically antenna and adapter?

My concern is the radiation exposure to the body caused by the prolonged use of the wireless connection (5-10 hrs/day) with the machine placed on the lap.

Greatly appreciate your answer. Have been unable to find anything about it myself.

Kind Regards,
Frank

jketzetera
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Location: Sydney Australia

Re: Radiation spots on t60, wireless LAN

#2 Post by jketzetera » Sun Mar 07, 2010 8:32 pm

If I am not mistaken, the antennas are both one the left and right edges of the display.

I believe that cell phones have a transmit power of approx 1 watt, while Wireless LAN is limited to 0.1 watt. That combined with the fact that the power declines with the square of the distance, makes me a lot more concerned with cell phones (which I press against my ear) rather than the computer in my lap.

silverorbit
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Joined: Sun Mar 07, 2010 3:33 pm
Location: madrid, spain

Re: Radiation spots on t60, wireless LAN

#3 Post by silverorbit » Sun Mar 07, 2010 8:42 pm

Hi, thanks for your reply.

I think you are right about the 0.1 w/kg SAR.

The issue with the laptop is that in my case I use it some 6 hours a day with it on my lap (I work at home, usually in the sofa). This would be the equivalent of some 36 minutes of daily phone use. According to the official recommendations, quite true, this should not be of concern.

However, better safe than sorry and out of curiosity: I am still looking for those "hot spots".

Thanks!
Frank

goofyGAguy
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Re: Radiation spots on t60, wireless LAN

#4 Post by goofyGAguy » Sun Mar 07, 2010 11:03 pm

You might want to put a sample in a "bank" soon, just in case. 8)

yak
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Re: Radiation spots on t60, wireless LAN

#5 Post by yak » Sun Mar 07, 2010 11:17 pm

silverorbit wrote:Hello!

Does anyone know which physical spots on the t60 emit microwave radiation?

I believe the antenna is located in the display (left edge) and that the pci adapter is located approximately below the "4" key.
Take a look at the right and top side of the display. There is one spot on each of them where plastic has diagonal notches (for lack of a better word), these are places where WLAN antennas are.

Models with Bluetooth option have a BT module with integrated antenna below the display, between the left hinge and LCD ribbon cable.

The WLAN adapter is located under key "7", not "4".
ThinkPad™ X201 / AFFS-120
i5-560M 2.67Ghz, 8GB RAM, Samsung 840 Pro 256GB SSD, Win 8 Pro 64-bit, UltraBase X200, ThinkPad Compact USB Keyboard,
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silverorbit
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Joined: Sun Mar 07, 2010 3:33 pm
Location: madrid, spain

Re: Radiation spots on t60, wireless LAN

#6 Post by silverorbit » Mon Mar 08, 2010 7:22 am

Hi.

Thanks alot. Do you know the SAR of the adapter?

Regards,
Frank

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