Train Data Broadcast (EOTD) Double 5/8 Wave Mobile Antenna

Specs Gain:  5.5 dBd SWR:  1.5:1 or Less Pattern:  Omni-directional Wavelength:  5/8 over 5/8 Elements:  2 Tuned:  452-457 MHz Band:  UHF Connector:  Your Choice Cable:  RG58U Cable Length:  17 Feet Mount Type:  NMO Height:  35" Magnet Size:  3 5/8" Rated Watts:  150 Weight:  1 lb 13 oz Features Tuned to Train Data Frequencies:  Each antenna is tuned to the center of the North American railroad train data band, between 452.0 MHz and 457.0 MHz. This will cover data packet broadcasts used in various ways onboard trains, such as the End of Train Device (EOTD), Head of Train Device (HOTD), Distributed Power (DPU), and Remote Loco Control (RLC). This will work with any scanner or radio capable of receiving the UHF 400 MHz band. People sometimes use the reception of these data transmitters as a way to get a warning that a train is coming. You do NOT need a digital capable radio. Note: No voice communications are done on these frequencies. Only small data packet