still learning machan...

btw what is E1
actually there are two most popular transmission methods in Telecommunication. that is SDH & PDH. in PDH method directly E1 is used. in SDH , STM tech. is used. STM1 = 63 E1.
http://en.wikipedia.org/wiki/E-carrier
u can google it. what is the speed u was saying?

if u want to have 7.2 Mbps data connection at least serving site must have 5E1 for 3G. normally SL only few sites have 5E1 s. most of the operators put 2 or 3 E1s. u'll learn those things in future i guess.
උඹට මොකවත් තේරුනේ නැද්ද දන්නේ නෑ. අවුලක් නෑ ඉස්සරහදි ඉගෙන ගනියි