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Silver and black NMO antenna with 40 inch stainless steel whip and spring base

Laird Technologies

Laird Technologies B1322WS 132-174 MHz 1/2 Wave Antenna w/ Spring

SKU CH-TF2C-MC56Z

A 132-174 MHz half-wave mobile antenna with a 40-inch stainless steel whip, spring base, 2.4 dBi gain and 100 W power handling

  • Wideband coverage from 132 to 174 MHz
  • 4 dBi gain improves signal reach
  • 100 W maximum power handles strong transmitters
  • 40 inch stainless steel whip resists corrosion
  • Spring base absorbs shock and vibration

132-174 MHz 1/2 Wave Antenna

The Laird Technologies B1322WS is a wideband half-wave antenna covering 132-174 MHz for mobile radio installations. It delivers 2.4 dBi gain and handles up to 100 W of power. The stainless steel whip measures 40 inches and mounts via an NMO base. This antenna suits fleets and operators needing durable VHF coverage.

Upgrading from quarter-wave or narrowband whips

Replacing a shorter quarter-wave antenna adds 2.4 dBi gain for better range across the full 132-174 MHz band. The spring base absorbs impact from low clearances or vegetation strikes that would snap a rigid whip. The jump is worth it when vehicles operate in fringe areas or endure rough daily use.

Verify NMO mount and 132-174 MHz radio compatibility

Confirm the vehicle roof or bracket accepts an NMO mounting hole and that the radio covers 132-174 MHz. The antenna requires a clear 40-inch vertical path above the mount. Ensure the coax run and connector type match the radio input before ordering.

Highlights

  • Wideband coverage from 132 to 174 MHz
  • 4 dBi gain improves signal reach
  • 100 W maximum power handles strong transmitters
  • 40 inch stainless steel whip resists corrosion
  • Spring base absorbs shock and vibration

Specifications

BrandLaird Technologies

Questions about this item

Does the 40 in stainless whip need a specific NMO mount?

The antenna uses an NMO mounting type; any standard NMO base with the correct cable will accept it.

Is the spring installed at the factory or must it be fitted on site?

The spring is supplied already attached to the whip, so the antenna threads straight onto the NMO base without extra assembly.

When should the stainless whip be replaced?

Replace the whip if it develops a permanent bend, corrosion spots, or if SWR readings rise above the normal range for the 144-174 MHz band.

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