S.EFX-340
Glassfibre end fed dipole antenna 330 - 350 MHz
Description
- A rugged and durable UHF omni antenna designed for Telemetry, Paging and PMR/Trunked Radio applications.
- Housed inside a a high-strength glass fibre shroud, the antenna includes an integrated mounting clamp allowing easy installation on poles or horizontal rails.
- The robust antenna design ensures reliable operation in harsh environmental conditions.
- Former Skymasts brand product.
Specification
| Electrical | |
| Model | S.EFX-340 |
|---|---|
| Frequency | 330 – 350 MHz |
| Max. Input Power | 100 W |
| Omni Deviation | < ± 0.5 dB |
| 3 dB Beamwidth, H-Plane | Omnidirectional |
| Polarisation | Vertical |
| 3 dB Beamwidth, E-Plane | 80 ° |
| Impedance | 50 Ω |
| Gain | 0 dBd (2.2 dBi) |
| VSWR | < 1.5:1 |
| Antistatic Protection | All metal parts DC-grounded (Connector shows a DC-short) |
| Mechanical | |
| Radiating Element(s) | 11 mm dia brass tube |
|---|---|
| Connection(s) | N(f) on 500mm RG213/U cable |
| Radiator Feed | PTFE dielectric coaxial cable |
| Radome Material / Colour | GRP tube grey, 26mm dia. |
| Length | Approx. 1000 mm / 39.37 in. |
| Historic Brand | Skymasts |
| Wind Load | 35 N (160 km/h) |
| Corrosion Protection | Surtec 650 |
| Weight | Approx. 0.65 kg / 1.43 lb. |
| Mounting | Integral mounting clamp to fit 38 – 50 mm dia. pipe or horizontal rail |
Ordering Codes
| Model | Product No. |
|---|---|
| Glassfibre end fed dipole antenna 330 – 350 MHz | S.EFX-340 |
Diagrams
MOUNTING & DIAGRAMS
Antenna Mounting
RADIATION PATTERNS
E-Plane | 340 MHz
RADIATION PATTERNS
H-Plane | 340 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