model                 sensor resolution  angle  released latest software
0       trackir 1            60k pixels (eg 300200)   33.0      2001     version 3.x
1       trackir 2            60k pixels (eg 300200)   33.0      2003     version 3.x
2       trackir 3                            355288   33.0      2004     version 4.x
3  trackir 3: pro                            355288   33.0      2004     version 4.x
4  trackir 4: pro  355288 (sub - sampled at 710288)   46.0      2005     version 4.x
5       trackir 5                            640480   51.7      2009     version 5.x

Table as JSON:
{"model":{"0":"trackir 1","1":"trackir 2","2":"trackir 3","3":"trackir 3: pro","4":"trackir 4: pro","5":"trackir 5"},"sensor resolution":{"0":"60k pixels (eg 300200)","1":"60k pixels (eg 300200)","2":"355288","3":"355288","4":"355288 (sub - sampled at 710288)","5":"640480"},"angle":{"0":33.0,"1":33.0,"2":33.0,"3":33.0,"4":46.0,"5":51.7},"released":{"0":2001,"1":2003,"2":2004,"3":2004,"4":2005,"5":2009},"latest software":{"0":"version 3.x","1":"version 3.x","2":"version 4.x","3":"version 4.x","4":"version 4.x","5":"version 5.x"}}