Jan. 2003 Selected Jammer system sole supply for Brazil Govt. Prison project by Anatel body. Dec. 2002 Developed Bluetooth Handsfree (HFC-V1.0) Dec. 2002 Get a official certification document about Jammer system from Brazil Govt. (www.anatel.gov.br) Nov. 2002 Installed & Running Jammer system to Brazil Prison for evaluation and test by Brazil Govt. Sep. 2002 Sold 30,000set of Drama product into CHINA mainland Mar. 2002 Started to design Bluetooth Handsfree Kit Jan. 2002 Developed Educational Training Kit (BT-2001) BT: Bluetooth Telecommunication Oct. 2001 Developed Educational Training Kit (MT-2000) MT: Mobile Telecommunication Jun. 2001 Developed electric scooter Jun. 2001 Increased capital of US$85,000 (Total US$170,000) Jun. 2001 Changed company name from Solid Co., Ltd. to Solid Technology Co., Ltd. May. 2001 Developed mobile phone blocker, immobilizer, jammer Jan. 2001 Became of a member of the KICA(Korea Institute of Communication Sciences) Dec. 2000 Developed 1GHz Indoor 2-Way Splitter for CATV/internet Dec. 2000 Developed Band Elimination Filter for CATV/internet Oct. 2000 Developed 1GHz Outdoor 8-Way Tap-Off for CATV Sep. 2000 Developed High Pass Filter(42MHz, 16MHz) for CATV / internet Jun. 2000 Became a member of the KOTIS (Korea Trade Information Service) Jun. 2000 Established under the name of Solid Co., Ltd.