VHF mobile antennas — Sirio
Sirio HP-S 136-174 5/8 λ
Professional 136–174 MHz VHF mobile antenna with spring, tunable by cutting
The Sirio HP-S 136-174 is a 5/8-wave VHF mobile antenna for professional and amateur use, with 4.15 dBi gain and 200 W power handling.
Product description
It covers the whole 136–174 MHz range: it is tuned by cutting the whip to the desired frequency following the supplied tuning chart.
It mounts on a base with a UHF female (PL) connector, not included.
Key features
5/8 wave
4.15 dBi gain, vertical polarisation.
200 W
Continuous power handling up to 200 W (CW).
Professional materials
17/7 PH stainless steel whip, connector with gold-plated pin and PTFE insulator.
Specifications
| Type | 5/8 λ, vertical polarisation |
| Frequency | 136–174 MHz, tunable by cutting |
| Bandwidth | 6.7 MHz at 136 MHz (SWR ≤ 2) |
| Gain | 4.15 dBi |
| SWR at resonance | ≤ 1.2 |
| Maximum power | 200 W CW |
| Impedance | 50 ohm |
| Height | 1480 mm |
| Weight | 270 g |
| Connector | UHF male (PL-259) |
| Mounting | On UHF female base, not included |
HamRadioShop | Mobile antennas
