USI/Wittern Mercato M-3000, M-4000, M-5000, M-7000
Card reader compatibility
| Reader | Status | Firmware / controller | Requirement |
|---|---|---|---|
| Cantaloupe Engage | conditional | GVC1 2410; GVC2 5332 | NONE |
| Cantaloupe Engage Combo | conditional | GVC1 2410; GVC2 5332 | NONE |
| Cantaloupe G11 | conditional | GVC1 2410; GVC2 5332 | NONE |