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DIAMOND X 300 Vertical Antenna vhf-uhf

Vertical antenna vhf-uhf 144 Mhz and 430 Mhz

Special Features:
• Fiberglass radomes
• Overlapping outer shells for added strength
• Strong waterproof joint couplings
• Stainless steel hardware
• Wide band performance
• Factory adjusted – no tuning required
• High wind rating
• DC grounded
Band: 2 m/70 cm
Gain (dB): 6.5/9.0
Max Power Rating: 200
Wind Rating: 112 MPH (no ice)
Height (feet): 10
Connector: N
Element Phasing:

2-5/87, 5-5/87

Warning-Counterfeit Diamond Products!

Unfortunately we found that fake diamond antennas were offered on the German and European market. Affected are the popular Omni-directional antennas for fixed installation of the "X-Series", but also some mobile antennas and equipment.
Even the packaging is deceptively copied from original-yellow sleeve diamond logo! But there are some subtle differences how to locate him fakes.

Bottom Part of Antenna


Different shape. False is lucid, the original has a matte finish. Different stickers.

Antenna and radio tube

dia3.gif (167789 Byte)
Original tube with diamond sticker, original stainless steel radial thread and counter nut.
Forgery with brass clamp pressed on.

U-bolt and clamps

dia2.gif (5349 Byte)
U mounting bracket clamps (X-510, X-700 and X7000 use different pliers)

dia1.gif (3966 Byte)

Further characteristics

  • Counterfeit products are packed with bubble film, the antennae are not original.
  • Press the button that closed the yellow plastic packaging is originally made of metal, using plastic fakes.
  • Yellow packaging is folded down, giving it more stability. Fake products don't have this yellow box overlay.
  • Instructions are printed on both sides with the original, and are simple cpoies fakes a one-sided picture.

Depending on the type of antenna points out one or more of these differences may occur. Please check carefully before suspecting a supplier without reason.


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Modello X-30 
without Radials!
X-50N X-200N X-300 
X-510N X-700HN
Gamma di frequenze 2m 2m 2m 2m 2m 2m 2m
70cm 70cm 70cm 70cm 70cm 70cm 70cm
Guadagno 2m 3,0 dBi 2,15 4,5 dBi 6,0 dBi 6,5 dBi 8,3 dBi 9,3 dBi
70cm 5,5 dBi 5,5 7,2 dBi 8,0 dBi 9,0 dBi 11,7 dBi 13,0 dBi
Struttura 2m 1/2 λ 1/2 λ 6/8 λ 2 x 5/8 λ 2 x 5/8 λ 3 x 5/8 λ 5 x 5/8 λ
70cm 2 x 5/8 λ 2 x 5/8 λ 3 x 5/8 λ 4 x 5/8 λ 5 x 5/8 λ 8 x 5/8 λ 11 x 5/8 λ
Connettore PL/N PL N N PL/N N N
Potenza mass. 150 W 150 W 200 W 200 W 200 W 200 W 200 W
Lunghezza 1,3 m 1,3 m 1,7 m 2,5 m 2,9 m 5,2 m 7,2 m
Mass. Velocità di vento 210 km/h 210 km/h 210 km/h 180 km/h 180 km/h 144 km/h 144 km/h
Diametro Asta mass. 30-62mm 30-62mm 30-62mm 30-62mm 30-62mm 30-62mm 30-62mm

DIAMOND X 300 Vertical Antenna vhf-uhf

WhatsApp +393331832811

Estimated Delivery (3-4 Working Days)

  • Brand: DIAMOND
  • Product Code: X-300N-PL
  • Availability: In Stock
  • 75,00€
  • Ex Tax: 61,48€

Available Options