| Model | GPS | GSM | I/O AIn |
Flash | Interfaces | |||
| RS232 | RS485 | 1WB | 10BASE | |||||
| Gelix-1 | Ext* | 4/4/4 | + | + | ||||
| Gelix-1G | + | 4/4/4 | + | + | Opt | + | ||
| Gelix-2 | Ext* | + | 4/4/4 | + | + | |||
| Gelix-2G | + | + | 4/4/4 | + | + | + | ||
| Gelix-3 | + | 16/4/4 | + | + | + | |||
| Gelix-3-LAN | + | 16/4/4 | + | + | + | + | + | |
* external navigation receiver (with RS232 interface from 4800 to 19200bps), either of GPS NAVSTAR, Gallileo, GLONASS