Procom HX 4-70-...-fme - Manual

HX 4/70-FME
Helical Antenna with Universal FME-Connection System for
Portable Equipment in the 4 m and 70 cm Bands
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 Procoms line of black FME-
connectors (to be ordered separately): BFME-UHF, BFME-BNC, BFME-
TNC and BFME-N.
ORDERING DESIGNATIONS
TYPE PRODUCT NO.
HX 4/70/...-FME 140000071
SPECIFICATIONS
ELECTRICAL
MODEL HX 4/70/...-FME
ANTENNA TYPE Shortened ¼ λ helical antenna for portable equipment
FREQUENCY
80 MHz band: freq. to be stated within: 66...88 MHz
450 MHz band: freq. to be stated within: 380...450 MHz
IMPEDANCE Nom. 50 Ω
POLARIZATION Vertical
BANDWIDTH
80 MHz: ≥ 6 MHz @ SWR ≤ 3.0
450 MHz: ≥ 25 MHz @ SWR ≤ 3.0
SWR < 2 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)
TYPICAL SWR CURVE
RECOMMENDED BFME-CONNECTORS
(To be ordered separately)
PLEASE NOTE
The HX 4/70 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.
16/05/12