The ERX-BT-I (not shown) is the same ENOS receiver as the ERX-BT-O. But he has an additional socket on the front panel to connect an external GPS antenna . As a result, the ERX-BT-I can also be used indoors / in a cabin because it receives its GPS position via the additional, external GPS antenna .
► Ideal for dive centers that want to place the recipient indoors / in a cabin
► Comfortable on large boats: Only with the tablet in hand, it is easier to search for the divers
► Super practical to use in the dinghy