The E-04 is a 121.5/406.037 MHz emergency locator transmitter for general aviation. This model (EDMO# E-04.1) includes the 406 and 121.5 transmitter, lithium battery pack, 350 knot rod antenna, remote switch with horizontal placard, remote vertical placard, electrostatic discharger, 60 inch coax cable, audio alert, mounting tray 15 foot remote cable, audio alert cable, switch cover, and the installation/operation manual.
