The 3G capable P61 Smart Terminal allows merchants to connect wirelessly using a cellular network.
If your Poynt device is 3G capable, its serial number will include a C or G instead of the usual W.
3G Enabled Device: P61SG... or P61SC
Wi-fi Only Device: P61JW...
Newer Poynt devices are cellular capable including 3G and 4G, such as the new Poynt C device.