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NMO or PL-259 Base Antennas:
These antennas will normally require a base or mobile hardware kit. These kits are grounded either
through drill or clamp inserts on vehicles, magnetically mounted, or available as stationary base
hardware kits. Some antennas may include a base station ground plane or ground radial kit.
CAUTION: When installing base antennas, stay clear of ALL power lines- they can kill you if you come
in contact with them. Keep a minimum distance of 10 feet with the antenna and yourself from the
lines.
Antenna Requirements
Antenna SWR Rating: 1.5:1 or less (on the radio frequencies in use.)
Antenna Impedance: 50 ohms (use 50 ohms rated coax and coax connectors)
Antenna Grounding: Ensure the antenna is mounted with a grounding plane
Visually Inspect Coax/Connectors for any Slits or Damage – moisture should not be allowed to penetrate
fittings or your coax
To maximize the life of your radio, it is important to understand antenna basics before transmitting on
your radio, transmitting without an antenna, or with high SWR (Standing Wave Ration) – can void
warranty support.