The size of a typical bacterial cell is 0.5-5.0 micrometers, a average human cell is 10 micrometers. coli bacterium are about 2.0 micrometers in length and .25 to 1  micrometer in diameter. In comparison, a red blood cell is about  six to eight micrometers in diameter and â¦ a thickness that ranges  from .8 to 1 micrometer in the center to 2 to 2.5 micrometers at  the thickest point.
August 13, 2012 11:20:48 PM. Unlocked GSM phone means that it wouldn't be locked into a specific carrier network. On the upside it means freedom to choose your own GSM carrier that suits your needs (and wallet) best. On the down side several carrier-specific features may not be available. If you lived in US make sure that the unlocked phone is compatible with US GSM frequencies.
But unlocked GSM phones from AT&T and T-Mobile will work on each other's networks, which makes the use of GSM much more flexible than CDMA. In summary, phone locks are not really relevant when you're talking about 2G and 3G devices that operate on CDMA or EV-DO networks.