Preparing your datasheet

MU 901-X/…

Unity Gain ¼ λ Mobile Antenna for the 900 MHz Band
Description
  • Black-chromed whip with large bandwidth.
  • Nice, discrete design.
  • Type MU 901-X/l covers 820 – 905 MHz (e.g. for EAMPS).
  • Type MU 901-X/h covers 870 – 960 MHz (e.g. for ETACS, NMT-900 and EGSM)
  • Stainless steel X-mount with M6-thread whip-fastening system.
  • Simple mounting exclusively with access from the outside.
  • 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 cable terminated with FME-connector.
Specification
Electrical
Model MU 901-X…
Frequency 900 MHz-band covered by two models
Antenna Type Mobile antenna
Max. Input Power 60 W
Polarisation Vertical
Impedance 50 Ω
VSWR ≤ 1.2 @ f. res.
Bandwidth ≥ 90 @ VSWR ≤ 1.5
≥ 180 @ VSWR ≤ 2.0
Gain (EIA RS-329-1) 0 dB
Mechanical
Materials Whip : Black-chromed brass
Mount : Black-chromed brass
Environment-proof plastics
Stainless steel
Installation Torque 4 ±1 Nm
Colour Black
Historic Brand Amphenol Procom
Antenna Mount Type
Hole MountMagnetic Mount
Height Approx. 82 mm / 3.23 in.
Weight X-version : Approx. 60 g / 0.13 lb.
XP4-version : Approx. 200 g / 0.44 lb.
MM-version : Approx. 270 g / 0.6 lb.
Mounting 18 mm dia. hole
Ordering Codes
Model Product No. FrequencyAdditional Information

MU 901-X/l

 130001149 820 – 905 MHz X-mount (oblong) with FME-system

MU 901-X/h

 130001142 870 – 960 MHz Same mount as above

MU 901-CX/l

 130001150 820 – 905 MHz CX-mount (circular) with FME-system

MU 901-CX/h

 130001143 870 – 960 MHz Same mount as above

MU 901-XP4/l

 130001151 820 – 905 MHz XP4-mount (oblong) with 4 m cable + FME-system

MU 901-XP4/h

 130001145 870 – 960 MHz Same mount as above

MU 901-CXP4/l

 130001152 820 – 905 MHz CXP4-mount (circular) with 4 m cable + FME-system

MU 901-CXP4/h

 130001146 870 – 960 MHz Same mount as above

MU 901-MM/l

 130001137 820 – 905 MHz MM-mount (magnetic) with FME-system

MU 901-MM/h

 130001138 870 – 960 MHz Same mount as above
Additional Information
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.

1. Installation Dimension

X CX MM Mount ø18 ø72 GB

2. Installation Steps

XG 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 901-MM/…, car speed must not exceed 140 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.

The whip is compatible with all below mounts

X XP4 CX CXP4 MM Mount GB

Ordering Note

To help selecting the cor?rect model for a specific cellular network please consult the survey of cel?lular network frequencies under USEFUL DATA in our catalogues.

PROCOM A/S reserves the right to amend specifications without prior notice
PROCOM A/S • Smedetoften 12 DK 3600 Frederikssund • Denmark
Generated : 2026-06-27 Version 1