| Module A | C4FM only. Not linked or bridged anywhere. |
| Module B | D-Star only. Not linked or bridged anywhere. |
| Module C | C4FM/DMR only. Not linked or bridged anywhere. |
| Module | Name | Users | DPlus | DExtra | DCS | DMR | YSF DG-ID |
|||
|---|---|---|---|---|---|---|---|---|---|---|
| URCALL | DTMF | URCALL | DTMF | URCALL | DTMF | |||||
| A | C4FM | 0 | REF704AL | *704A | XRF704AL | B704A | DCS704AL | D704A | 4001 | 10 |
| B | D-Star | 0 | REF704BL | *704B | XRF704BL | B704B | DCS704BL | D704B | 4002 | 11 |
| C | C4FM/DMR | 0 | REF704CL | *704C | XRF704CL | B704C | DCS704CL | D704C | 4003 | 12 |