GemTAG readers are ITSO certified as part of POST subassembly - see:
http://itso.org.uk/content/Certificates
Gemini 2000 offers ITSO middleware libraries on top of all GemTAG readers.
Already in 2 commercial products, ITSO subassembly is a quickest way for making
your terminals ITSO POST compatible.
Please, contact us for more information