PRODUCT LITERATURE

Manufactured & Designed in the USA

VHF/FM DSC Radios	SEA 157,157SD,157SA, 157SA/R,7157
Marine VHF radios are primarily for short and medium-range, two way voice and data communications. VHF radio waves are line-of-sight and follow the earth's surface. Typically best for communications up to 20-25 nautical miles.
HF/MF SSB Radios	SEA 235, 235R, 330,245 A2, 245-A3,7001G,7000G
MF/HF Single Sideband (SSB) radios provide voice communications beyond the range of VHF. Depending upon the modulation method used, SSB radios are an excellent choice for worldwide voice and data communications. SSB radios operate at the medium-frequency (MF) and high-frequency (HF) portions of the radio spectrum.
HF/MF Automatic Antenna Tuners	SEA 1612C, 1630
Guard Receivers	SEA 7001C, 7001C-RS, 7001C-A, 7001C-DSC
Data Communications	SEA 3000G
Data communications typically involves sending and receiving messages via a telex or Digital Selective Calling (DSC) modem connected to a radio.
Marine Loud Hailers	SEA 857
GMDSS Satellite Communications	SEA   6000 Series Products 6003, 6003F,6006E & HF
Inmarsat-C satellite communications (SatCom) systems offer global data links.  Communications are extremely reliable, of the highest quality and secure from interception.  SatCom systems operate on a global basis and are accessible from anywhere in the world.