Mobile Phones Fertility

Giving cellphone radiation damage to sperm?
Hello this day our science teacher at school was telling me and we can send cell phones radiation damages their sperm and .. reduce sperm. So I did a little research online at Google and I found this site http://www.radiationtalk.com/info/radiation_fertility.php So in that link that says "Several manufacturers now offer cell phone accessories designed to drastically reduce the amount of radiation released during use. "So I know if my phone has less radiation or high radiation, the mobile phone is the Nokia 5800 and Sony Ericsson W350i XM and take me everywere, so you think that affects my sperm .. Do you think something is safe for me? I get calls every day and texts thanks for your time.
Want to be careful with sites like www.radiationtalk.com. In addition to providing "facts" which also try to sell the devices to protect from radiation. One has to wonder how the objective of a site can be if they benefit sales of devices to reduce radiation. The scientific community agrees on whether ratiation is significantly harmful or not. For me, I take my phone in my pocket, but I also use a bluetooth 1 / 2 the time.
Can Cell Phones Cause Male Infertility?