Trackers for the MLD system are now available on a total of 7 different frequencies. Channels 6,7, and 8 are new.
| Part Number | Frequency (MHz) | Channel |
| 91613011 | 174.6 | 0 |
| 91613012 | 181.6 | 2 |
| 91613013 | 192.6 | 6 |
| 91613008 | 195.6 | 7 |
| 91613010 | 196.6 | 8 |
| 91613009 | 199.6 | 9 |
| 91613014 | 208.2 | 11 |