414.04-405-Txx
4-stack dipole array TETRA 380 - 430 MHz
Description
- The 4104.04 Antenna is a version of the S.M4 four-stack dipole array, designed for improved performance in multi-channel communication systems such as TETRA.
- High quality materials and manufacturing techniques are employed throughout to ensure that the antenna meets strict intermodulation requirements of multichannel systems.
- The antenna is supplied as standard with a 5 metre tail terminated with a 7/16 socket.
- This model has a stronger boom to cope with high wind speeds.
- Former Skymasts brand product.
Specification
| Electrical | |
| Model | 414.04-405-Txx |
|---|---|
| Frequency | 380 – 430 MHz |
| Max. Input Power | 500 W |
| 3 dB Beamwidth, H-Plane | 160° ±3° |
| Polarisation | Vertical |
| Peak Instantaneous Power (PIP) | 25 kW |
| 3 dB Beamwidth, E-Plane | 21° ±1° |
| Impedance | 50 Ω |
| Gain | 8.7 dBd (10.9 dBi) |
| VSWR | < 1.5:1 |
| Front-To-Back Ratio | > 7 dB |
| Passive Intermodulation | -143 dBc (3rd Order, 2 x Tx @ 43 dBm) |
| Lightning Protection | Lightning current handling capability : 200 kA According to EN 62305-1 (Test pulse 10/350 μs) |
| Antistatic Protection | All metal parts DC-grounded (Connector shows a DC-short) |
| Environmental | |
| Survival Wind Speed | 300 km/h |
|---|---|
| Ingress Protection | IP68 |
| Mechanical | |
| Connection(s) | 7/16(f) on 5m RG214/U cable |
|---|---|
| Materials | Antenna elements : Aluminium 6063T6 (12.7 mm dia.) Antenna boom : Aluminium 6082T6 (38.1 mm dia.) Fasteners : Stainless steel A2 |
| Length | Approx. 2600 mm / 102.36 in. |
| Historic Brand | Skymasts |
| Wind Load | 232 N (160 km/h) |
| Weight | Approx. 6 kg / 13.23 lb. |
| Mounting Bracket | 2140.01.00.00 (up to 60 mm dia.) 2141.01.00.00 (up to 120 mm dia.) (Ordered Separately) 0300284/00 + U-bolts to match mounting pipe diameter (Ordered Separately) ETC-250 (50 to 76 mm dia.) (Ordered Separately) |
Ordering Codes
| Model | Product No. | Frequency | Additional Information |
|---|---|---|---|
|
4-stack dipole array TETRA |
414.04-405-T0 | 380 – 430 MHz | 0° Electrical Tilt |
|
4-stack dipole array TETRA |
414.04-405-T10 | 380 – 430 MHz | 10° Electrical Tilt |
|
4-stack dipole array TETRA |
414.04-405-T15 | 380 – 430 MHz | 15° Electrical Tilt |
|
4-stack dipole array TETRA |
414.04-405-T5 | 380 – 430 MHz | 5° Electrical Tilt |
Diagrams
RADIATION PATTERNS
H-Plane | 405 MHz | 0°
RADIATION PATTERNS
E-Plane | 405 MHz | 0°
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