3aTmr & lalo.lerry: just have a look at the link provided by KoncaFung;
http://www.konca.com/mobile/index.html here although nearly everything is written in Chinese it is possible to find some clues to the fact mentioned by KoncaFung who claims that it's possible to use SL45 to read the KI & IMSI. we don't lose anything if we think positive