The Sea Tel WaveCall 4003 Broadband Maritime Communications System provides high-speed two-way broadband Internet connections and voice service through Sea Tel's WaveCall network. With coverage throughout the Americas, Europe and the Mediterranean, subscribers buy the antenna and sign up for a service contract that includes one GB data-transfer-allowance per month and a low per-minute voice service. Users incur additional service fees per MB data transfer over one GB. The 4003 system is always on for immediate use and is network compatible. Systems and service packages start at $35,000. Sea Tel, Concord, California; (925) 798-7979; www.seatel.com.