S.1-145
Centre fed folded dipole 135 - 155 MHz
Description
- A VHF Center Fed Dipole antenna for PMR/Trunked Radio, Broadcast and VHF Aircraft Band applications.
- Multiple dipoles can be mounted on a tower and connected with a phasing harness to form a high gain, stacked array.
- Produced to the highest quality standards, these robust antenna designs will ensure reliable operation in harsh environmental conditions.
- Former Skymasts brand product.
Specification
| Electrical | |
| Model | S.1-145 |
|---|---|
| Frequency | 135 – 155 MHz |
| Max. Input Power | 150 W |
| 3 dB Beamwidth, H-Plane | Omni – will depend on mounting distance from mast. |
| Polarisation | Linear (Vertical or Horizontal) |
| 3 dB Beamwidth, E-Plane | 80 ° |
| Impedance | 50 Ω |
| Gain | 0 dBd (omni – will depend on mounting distance from mast) |
| VSWR | < 1.5:1 |
| Antistatic Protection | All metal parts DC-grounded (Connector shows a DC-short) |
| Environmental | |
| Ingress Protection | IP68 |
|---|---|
| Mechanical | |
| Connection(s) | N(f) on 3m RG213/U cable |
|---|---|
| Materials | Boom, 32 mm dia. aluminium elements, 12.7 mm dia. aluminium balun, fully moulded enclosure |
| Historic Brand | Skymasts |
| Dimensions | 1330 x 915 x 95mm (L x H x D) |
| Wind Load | 116 N (160 km/h) |
| Weight | Approx. 2.9 kg / 6.39 lb. |
| Mounting Bracket | 3202078/68 + 3201079/00 (Ordered Separately) |
| Balun Encapsulant | Polyurethane Resin U-600 |
| Alternate Mounting Bracket | 0900912/00, 0302032/68, or 0300064/00 + U-Bolts to match mounting pipe diameter (Ordered Separately) |
Ordering Codes
| Model | Product No. |
|---|---|
| Centre fed folded dipole 135 – 155 MHz | S.1-145 |
Diagrams
RADIATION PATTERNS
E-Plane | 145 MHz
RADIATION PATTERNS
H-Plane | 145 MHz
PROCOM A/S reserves the right to
amend specifications without prior notice
PROCOM A/S • Smedetoften 12
DK 3600 Frederikssund • Denmark
Generated : 2026-06-28
Version 1