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Black dual-band whip antenna with magnetic base and PL259 connector

ALSEYE

ALSEYE NL-R2 dual-band antenna 136-174/400-480 MHz magnetic mount PL259

SKU CH-7FKD-6KHH3

Dual-band VHF/UHF mobile antenna covering 136-174 MHz and 400-480 MHz with magnetic PL259 mount for vehicle ham radio

  • Dual-band coverage spans 136-174 MHz and 400-480 MHz
  • 100 W power handling suits high-output mobile transceivers
  • Low 1.5 VSWR keeps reflected power minimal across both bands
  • Magnetic base with 4 m cable enables quick roof mounting without drilling
  • Omni-directional vertical radiation gives consistent coverage in all directions

Dual-band VHF/UHF mobile antenna

The ALSEYE NL-R2 covers VHF from 136 to 174 MHz and UHF from 400 to 480 MHz with a single whip. It handles up to 100 watts and presents a 50 ohm impedance for direct connection to standard mobile transceivers.

Upgrade from single-band whips

Replacing a VHF-only or UHF-only antenna removes the need to swap antennas when changing bands. The jump is worth it when you operate across both ranges regularly and want a permanent roof-mounted solution with a magnetic base.

Magnetic mount and PL259 limits

The 3.54 inch base relies on magnetic coupling, so it requires a ferrous roof panel and may detach at high speed or on rough terrain. The 13.12 foot cable ends in a fixed PL259 male connector, which cannot be changed without cutting or adapting the feed line.

Highlights

  • Dual-band coverage spans 136-174 MHz and 400-480 MHz
  • 100 W power handling suits high-output mobile transceivers
  • Low 1.5 VSWR keeps reflected power minimal across both bands
  • Magnetic base with 4 m cable enables quick roof mounting without drilling
  • Omni-directional vertical radiation gives consistent coverage in all directions

Specifications

No published specifications for this item yet.

Questions about this item

What roof thickness and clearance does the 3.54 in magnetic base need to hold securely?

The 3.54 in diameter base uses a strong magnet rated for the 498 g assembly plus the 74 g whip; it grips best on clean, flat steel at least a few millimetres thick and requires enough overhead clearance for the 15.95 in overall antenna height.

Which way must the PL259 connector on the 13.12 ft cable be oriented when routing it through a door seal?

The PL259 male connector is fixed to the cable end, so the cable must be fed connector-first through the seal; avoid sharp bends near the connector to keep the 50 ohm impedance and VSWR below 1.5.

How often should the whip steel element and magnetic base be inspected for corrosion or fatigue?

Check the whip steel and magnet surface every few months, especially after winter salt exposure; the operating range of -40 to 80 °C and 100 W power rating mean thermal cycling can loosen the hexagon-wrench joint over time.

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