MU 23-3-X

Colinear 3 dB Mobile Antenna for the 23 cm Amateur Band: 1240 – 1300 MHz

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MU 23-3-X

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MU 23-3-X
Electrical
Model MU 23-3-X
Frequency 23 cm amateur band : 1240 – 1300 MHz
Antenna Type Collinear mobile antenna
Max. Input Power 40 W
Polarisation Vertical
Impedance 50 Ω
VSWR ≤ 1.5 @ f. res.
Bandwidth ≥ 60 MHz @ VSWR ≤ 2.0
Gain (EIA RS-329-1) 3 dB
Mechanical
Materials Whip : Black-chromed stainless steel and brass
Durable plastics
Mount : Black-chromed brass
Weather- and shockproof plastics
Stainless steel
Installation Torque 4 ±1 Nm
Colour Black
Historic Brand Amphenol Procom
Antenna Mount Type Hole Mount, Magnetic Mount
Height Approx. 220 mm / 8.66 in.
Weight X-version : Approx. 60 g / 0.13 lb.
XP4-version : Approx. 200 g / 0.44 lb.
MM-version : Approx. 230 g / 0.51 lb.
Mounting 18 mm dia. hole
  • 3 dB colinear whip comprising a ⅜ λ section, a phasing coil and a ⅝ λ section.
  • All materials in top professional quality.
  • Broadband-performance 1240 – 1300 MHz – no tuning required.
  • Stainless steel X-mount with M6-thread whip-fastening system.
  • Simple mounting in an 18 mm hole with access from the outside only.
  • Models available with X-mount (oblong), CX-mount (circular) and MM-mount (magnetic).
  • Choice between two connection principles:
  • X-mount, MM-mount: FME-connection (supplied without cable).
  • XP4-mount: Permanently attached 4 m low-loss RG 58 cable terminated with FME-connector.

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Model Product No. Additional Information Add To Quote

MU 23-3-X

 130001259 X-mount (oblong) with FME-system

MU 23-3-CX

 130001261 CX-mount (circular) with FME-system + FME-connector

MU 23-3-XP4

 130001260 XP4-mount (oblong) with 4 m cable + FME-connector

MU 23-3-CXP4

 130001262 CXP4-mount (circular) with 4 m cable

MU 23-3-MM

 130001264 MM-mount (magnetic) with FME-system

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The whip is compatible with all below mounts

FME-System Accessories
FME-CABLES
TYPE LENGTH
1 m FME 1 m
2 m FME 2 m
3 m FME 3 m
4 m FME 4 m
5 m FME 5 m
6 m FME 6 m
4 m FME-white 4 m white
6 m FME-white 6 m white
12 m FME-white 12 m white
18 m FME-white 18 m white
FME-CONNECTORS
TYPE CONNECTOR
FME-FME FME-FME
FME-P Prolongation
FME-N N
FME-FSMA FSMA
FME-BNC BNC
FME-TNC TNC
FME-UHF UHF
FME-MUHF Mini-UHF
FME-EMUHF Elbow-MUHF
FME-EBNC Elbow-BNC
FME-ETNC Elbow-TNC
FME-SMA SMA

For further information about other types of FME-cables and FME-connectors, please compare the cable and connector data sheets under accessories in our catalogue.

Installation

This antenna should be mounted on the car roof to ensure best omnidirectional coverage. Mounting can take place exclusively with access from the outside when drilling an 18 mm dia. hole. Mounting can take place from the inside by drilling a 14 mm dia. hole. When mounting in a 14 mm dia. hole, remove the bottom plastic ring of the packing gasket with a sharp cutter.

When cleaning the car in car-washing machines, remove the whip using a spanner, size 9 mm. After wash, refit the whip and tighten it lightly with the spanner.
The MiniMag (abbreviated: MM) is a small, light-weight magnetic mount with a high attaching effect. A silicone layer applied to the contact surface protects the car roof and ensures maximum friction.

2. Installation Steps

X CX Mount inst step samlet GB

Do not use sealer on rubber gasket or other places.

3. Tuning

The antenna is delivered factory-tuned and requires no further tuning.

Please Note

For safety reasons:

  1. When using the MU 23-3-MM, car speed must not exceed 130 km/h.

  2. If operating the MM-mount with other whips, whip length must never exceed 320 mm, and utilizing this maximum length, car speed must not exceed 115 km/h.

1. Installation Dimension

X CX MM Mount ø18 ø72 GB