Antennas Type 7-554 Series - Dual Frequency GPS Antenna Electronic Unit (5V) HomeAntenna SystemsAntennasAircraft AntennasAircraft RF ComponentsPre-amplifiersType 7-554 Series - Dual Frequency GPS Antenna Electronic Unit (5V) The 7-554 Series of Antenna Electronic Units (AEU) are dual frequency GPS (Global Positioning Satellite System) pre-amplifiers designed to meet both electrical and environmental military aircraft application requirements. Type 7-554 Series - Dual Frequency GPS Antenna Electronic Unit (5V) Pre-amplifiers Product Contacts UK Cobham Aerospace Connectivity, Marlow, UK The Cobham Centre, Fourth Avenue, Marlow, Buckinghamshire, UK SL7 1TF. Tel +44 (0) 1628 472072 Fax +44 (0) 1628 482255 Chelton Limited trading as Cobham Aerospace Connectivity View location Contact office