Allflex AFX-100 User Manual download pdf (Page 7)

Rev Australasia V2.3 12/04

7 7

Portal Antenna: The portal antenna is an optional replacement for the flat panel

antenna and forms a tunnel that is placed in a stock race. The tunnel can be used bi-directionally. It is

a structure formed from plastic that has a vee section base and rises from the ground at an angle of

around 60 degrees as shown in the image and sketches below. Note – the portal joins to the control

box via the blue cable supplied.

Into the structure an antenna is wound an antenna. The antenna involves multiple turns of

conductor to form a loop. The loop runs parallel to the edge of the structure so the animal will

pass through the loop as it enters the portal / tunnel.

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Allflex AFX-100 User Manual Page 7