Home > Radio Antennas > 27 MHz antennas > 27 & 28 MHz vertical > CB Antenna Signal Keeper 27 Sirio 2.37m 26-28 MHz 11+10m
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CB Signal Keeper 27 Sirio 237cm and 26-28 MHz antenna View larger
CB Signal Keeper 27 Sirio 237cm and 26-28 MHz antenna
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  • CB Signal Keeper 27 Sirio 237cm and 26-28 MHz antenna
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Sirio

SIRIO-SIGNAL-KEEPER27-1588

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Italy

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CB Antenna Signal Keeper 27 Sirio 2.37m 26-28 MHz 11+10m

rating Read the 7 reviews
Average rating: 5/5 Number of reviews: 7

Sirio Signal Keeper 27 Fixed CB Antenna 237cm, aluminium whip, 100 watts (CW) continuous / 300 watts (CW) short-time,

Delivered with: 1 Sirio Signal Keeper 27 CB antenna.

More details

66,93 € tax excl.

69,00 €

In stock

   3 Items

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Data sheet

  • CB Base Station Antenna
  • Omnidirectional, compact dimensions
  • Tunable by adjusting the length of the whip
  • Made of 6063 T-832 aluminium alloy
  • Type: 1/4λ base-loaded ground plane
  • Frequency range: 26-28 MHz
  • Impedance: 50Ω unbalanced
  • Radiation (H-plane): 360° omnidirectional
  • Polarisation: vertical
  • Gain: 0 dBd, 2.15 dBi
  • Bandwidth at S.W.R. 2:1: 850 KHz
  • Signal to noise ratio at residual frequency: ≤ 1.2:1
  • Max power:
    ...100 Watts (CW) continuous
    ...300 Watts (CW) short-time
  • Power system / position: Direct / Centre
  • Connector: UHF-female (SO-239)
  • Materials: Aluminium, Steel, Nylon
  • Wind load / resistance: 36 N at 150 Km/h / 130 Km/h
  • Wind surface: 0.03 m² (0.004 sq ft)
  • Height (approx.) : 2370 mm
  • Weight (approx.) : 640 gr
  • Radial length (approx.) : 640 mm
  • Mounting mast : Ø 35-40 mm

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Reviews

Click here to leave a review

rating 5
le-vieux
2026-01-29
top avec amélioration proposée
pas encore testée mais réglage possible montage aisée aspect discret passe inaperçue ou presque dans mon jardin manque une vis pour fixer une terre sur le cône quand on monte sur un mât isolé du sol pour améliorer l\'effet sol mais çà je l\'avais vu dans la description donc pas de pénalité sur la notationje recommande
rating 5
Patrice (FK8HA)
2025-12-12
antenne 1/4 d onde
belle antenne , plus qu a l installer , mercia toute l equipe
rating 5
Philou31
2025-08-26
Discrétion, efficacité.
Antenne reçue rapidement.Montage facile. Fixée sur un support antenne TV standard.Utilisée pour de l\'écoute 27MGHz en BLU avec un Jackson 1ère génération. Fait parfaitement le job.
rating 5
Oeil de lynx
2025-07-12
Bonne antenne et légère
Fonctionne très bien à une hauteur de 8 mètres (1,3 TOS)Facilité de montage vu son poids.
rating 5
Nelson
2024-07-18
Looking good
Initial set up and I'm super happy with it. Low SWR and getting good signals just with it in the back yard.. look forward to getting it up on the roof
rating 5
GuyB
2023-08-04
Pas encore en place
Pas de commentaire !
rating 4
Laurent Patrick
2023-01-18
Antenne CB Signal Keeper 27 Sirio 2,37m 26-28 M
L'antenne semble de bonne qualité. Facile à monter et réglage du TOS simple et très précis. Je jugerai de efficacité de l'antenne après son installation définitive.

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