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Black vehicular antenna, NMO base, 88.9 mm tall, omnidirectional vertical polarization

Laird Techologies

Laird Technologies ETRAB1500 Phantom/HCR Vehicular Antenna NMO 150-155 MHz

SKU CH-Z6JR-4T8CW

Vehicular NMO antenna covering 150-155 MHz with omnidirectional pattern and 3 dBi gain

  • Omnidirectional coverage for LMR fleets
  • 3 dB gain boosts VHF signal reach
  • 150–155 MHz band fits public-safety channels
  • NMO mount installs on standard vehicle bases
  • 9 mm height keeps a low profile

150–155 MHz vehicular antenna

The Laird Technologies ETRAB1500 is an omnidirectional Phantom/HCR antenna built for vehicular mounting. It operates across the 150–155 MHz band with 3 dB gain and vertical polarisation. The NMO connector provides a standard bayonet fit for mobile installations. This unit suits land-mobile radio systems in outdoor environments.

Upgrade from lower-gain whips

Replacing a unity-gain whip with this 3 dB model extends usable range in fringe coverage areas. The jump is worth it when reliable mobile communication is required across the full 150–155 MHz allocation. Users staying on a single narrow channel or operating only in strong-signal zones will not see a practical benefit.

NMO mount limits installation options

The NMO bayonet fixes the antenna to a single roof or trunk-lid hole, so the vehicle must accommodate that drill pattern. Height is 88.9 mm and weight is 0.068 kg, keeping the profile low for garage clearance. The omnidirectional pattern cannot be steered, so nulls directly overhead remain a fixed constraint.

Highlights

  • Omnidirectional coverage for LMR fleets
  • 3 dB gain boosts VHF signal reach
  • 150–155 MHz band fits public-safety channels
  • NMO mount installs on standard vehicle bases
  • 9 mm height keeps a low profile

Specifications

BrandLaird Technologies

Questions about this item

What size NMO mount hole does the ETRAB1500 require?

The antenna uses a standard NMO connector that fits a 3/4 inch mount hole.

How do I correctly tighten the antenna onto the NMO base?

Hand-tighten the Phantom/HCR whip onto the NMO base until the gasket seats firmly; over-torquing with tools can damage the bayonet VHF port.

When should I replace the whip on this 150-155 MHz antenna?

Replace the whip if the black finish shows cracking, the coil housing is deformed, or VSWR readings rise above the 3 dB gain specification.

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