Specifications for FMB640
| GSM technology | 2G |
| Input voltage range | 10 - 30 V DC |
| Battery | 550 mAh Ni-Mh |
| DIN - digital input | 4 |
| AIN - analog input | 4 |
| DOUT - digitální výstup | 4 |
| 1-Wire® | 1 |
| Support LV-CAN | YES |
| Support ALL-CAN | YES |
| Support Can-Control | YES |
| RS232 | 2 |
| RS485 | 1 |
| Dimensions | 104 x 76,8 x 31,5 mm |
| Weight | 197 g |
| Degree of protection against intrusion | IP 41 |
| GPS antenna | External |
| GSM antenna | External |
| Function | Reading data from CAN bus J1939 and J1708, K-line, downloading DDD files |