This registration requires manual approval before the user can access their account.
Preparing your datasheet
438.03.05.00
Heavy duty broadband ground plane 145-175MHz
Description
- The 438 Series are heavy duty omni antennas consisting a broadband quarter wave radiator and four radial ground planes of an extremely rugged and reliable construction. The quarter wave radiator incorporates a d.c. short to minimise static interference. The antenna is available in a variety of two part lacquer finishes, including IR proof military green.
- • Former Skymasts brand product.
Specification
| Electrical | |
| Frequency | 145 – 175 MHz |
|---|---|
| Max. Input Power | 500 W |
| 3 dB Beamwidth, H-Plane | Omnidirectional |
| Polarisation | Vertical |
| 3 dB Beamwidth, E-Plane | 80 ° |
| Impedance | 50 Ω |
| Gain | 0 dBd (2.2 dBi) |
| VSWR | < 2.0:1 |
| Lightning Protection | Lightning current handling capability: 200 kA According to EN 62305-1 (Test pulse 10/350 μs) |
| Environmental | |
| Survival Wind Speed | 280 km/h |
|---|---|
| Mechanical | |
| Radiating Element(s) | 100 mm dia.x 2 mm wall aluminium alloy grade 6063T6 |
|---|---|
| Ground Plane Matl | 32mm dia. x 1.5mm wall aluminium alloy grade 6063T6 |
| Connection(s) | N(f) |
| Fasteners | Stainless steel grade A2-70 |
| Length | 770 mm / 30.31 in. |
| External Finish | Polyester Coated White (Other colours available on request) |
| Historic Brand | Skymasts |
| Wind Load | 108 N (160km/h) |
| Weight | 3.4 kg / 7.50 lb |
| Mounting | Integral bracket suits up to 60 mm dia. pole |
Ordering Codes
| Model | Product No. |
|---|---|
| Heavy duty broadband ground plane 145-175MHz | 438.03.05.00 |
Diagrams
RADIATION PATTERNS
E-Plane | 160 MHz
RADIATION PATTERNS
H-Plane | 160 MHz
PROCOM A/S reserves the right to
amend specifications without prior notice
PROCOM A/S • Smedetoften 12
DK 3600 Frederikssund • Denmark
Generated : 2026-06-22
Version 1