The fastest choice for rugged mobile receipt printing, the PB21, PB31 and PB51 deliver a clear advantage for workers on-the-go who need to produce invoices, delivery receipts, service estimates, mobile point-of-sale receipts, inventory management schedules and sales orders. Whether workers are using them as stand-alone printers, or pairing them with mobile computers, the PB21/31/51 increase operator efficiency. The printers’ large memory store reduces system latency and supports fast, high quality production of the graphically complex receipts and invoices that are common in route accounting, transportation and logistics, retail and field service applications.