913 Series Helical Dipoles


The Barrett 913 series helical dipole antenna is designed for use in base station installations where the use of wire dipoles or broadband antennas is impractical.


The construction and ease of assembly make the 913 series ideally suited to sites where space is restricted or where it may be necessary to periodically dismantle in order to relocate a temporary base station. In environments where man-made noise causes a problem when using a broadband antenna, signal to noise ratio is improved by the narrow bandwidth characteristics of the 913 helical dipole .


The hub is designed to be mounted on either a 50mm diameter support mast or an existing tower. The antenna comes complete with 30 metres of RG58 coaxial cable and high quality C32-21 waterproof connectors.


Barrett 913 antennas are ready to erect, in kit form, with threaded mounting bolts which attach directly to the central hub.



General specifications

Frequency range 2 to 30MHz

No of frequencies 5 (Max)

VSWR less than 1.7: 1

Impedance 50 Ohm


Antenna dimensions

Overall standard 7 metres

Optional 4 metres


Hub Width - 235mm

Height - 210mm

Depth - 50mm



 3 frequency helical dipole

Hub Detail





3 frequency helical dipole