Receiver ERX-I is similar to ENOS-Receiver ERX-O.
In addition to ERX-O the Receiver ERX-I provides a 2nd socket on its front-plate to connect an additional external GPS antenna.
This enables an Indoor use of Receiver ERX-I.
► Thanks to the further GPS antenna the Receiver ERX-I determines its GPS data even inside a cabin
► Perfect to use in an inflatable vessel