Procom HX 4-...-fme User Manual
Hx 4/...-fme
HX 4/...-FME
Helical Antenna with Universal FME-Connection System for
Portable Equipment in the 4 m Band
DESCRIPTION
Flexible, conical steel helix moulded in thermoplastic rubber.
Significant reduction of length due to the helical principle.
Optimum performance compared to physical dimensions.
Delivered factory tuned and tested to ensure minimum SWR.
Provided with universal FME-connection system for optimum flexibility
and easily exchangeable connectors.
Designed for use with the following of Procom's line of black FME-
connectors (to be ordered separately): BFME-UHF, BFME-BNC, BFME-
TNC and BFME-N.
ORDERING DESIGNATIONS
TYPE
PRODUCT NO.
FREQUENCY
HX 4/l-FME
140000067
66 - 76 MHz
HX 4/m-FME
140000072
72 - 82 MHz
HX 4/h-FME
140000064
78 - 88 MHz
SPECIFICATIONS
ELECTRICAL
MODEL
HX 4/...-FME
ANTENNA TYPE Shortened ¼ λ antenna for portable equipment
FREQUENCY
4 m band covered by three models
IMPEDANCE
Nom. 50 Ω
POLARIZATION Vertical
BANDWIDTH
≥ 6 MHz at f
c
@ SWR ≤ 3.0
SWR
< 2 @ fc when mounted directly on portable equipment
MAX. POWER
50 W
MECHANICAL
MATERIALS
Steel helix moulded in thermoplastic rubber
Black-chromed brass
COLOUR
Black
TOTAL HEIGHT 290 mm (dep. on type)
WEIGHT
Approx. 80 g
CONNECTOR
FME (female) (Exchangeable BFME-connectors to be ordered
separately)
RECOMMENDED BFME-CONNECTORS
(To be ordered separately)
PLEASE NOTE
The HX 4 is also available with different thread studs, but in this case with
fixed, non-exchangeable connector (not FME-connection
system). Information on these special versions on request.
PROCOM A/S reserve the right to amend specifications
without prior notice.
03/04/13