11. He has also written and edited guidebooks on data communications and networks. 12. And it's focusing more on the fast-growing market for providing data communications . 13. Omaha, Nebraska-based MFS Communications provides voice and data communications services to businesses. 14. Maaya said the engineers will design data communication equipment for Siemens projects. 15. Revenue from data communications accounted for 57 percent of total revenue. 16. With today's technology, voice and data communication will become more integrated. 17. Serial data communications can also embed the clock within the serial data stream. 18. The CPDLC application provides air-ground data communication for the ATC service. 19. Cisco Systems is extremely overpriced, but Premisys, another data communications company, is underpriced. 20. The Lincolnshire-based company supplies technical personnel who specialize in computers and data communications .