M40-1AS: Is a heavy duty solid fiberglass antenna that is 13mm thick and wound with .315 mm enameled wire, wound in such a way that the individual turns are spaced that they do not touch each other and so still providing a very low SWR but a much wider bandwidth and a much higher power rating of around 300 Watts
The M40-1AS can be easily tuned anywhere around the 7MHz band and with longer steel rods even lower.
Kit includes: SSU Ultra heavy duty stainless steel barrel spring 130mm high + SAM antenna base mount + C3.6PL.
Base Size: 1/2″ BSW Threaded.
Frequency: 7 to 7.40MHz
Bandwidth: 160kHz < 1.5:1 SWR
Power Rating: 300Watts