ELT ANTENNA/Black, tri-band rod type, 121.5, 243 and 406 MHz. 110-338-01ELT ANTENNA/Tri-band rod type, 121.5, 243 and 406 MHz, black. For use with ARTEX ELT's.The 110-338 rod antenna uses innovative Tri-Band technology to provide signal on 121.5, 243, and 406 MHz. This antenna is equipped with a s..