Sirio SPO 420-5 TETRA IoT LoRa 70cm HAM
Delivery time:
Delivery time:
1-3 Business Days
Sirio SPO 420-5 TETRA IoT LoRa 70cm HAM is backordered and will ship as soon as it is back in stock.
Looking for a reliable and versatile solution for UHF communication? The Sirio SPO 420-5 UHF base antenna is designed for professionals and radio amateurs who expect maximum flexibility and stable performance. With a wide frequency range of 420 to 470 MHz, this Sirio antenna is perfectly suited for applications such as TETRA, LoRa, Sigfox, ISM, and 70cm HAM.
Thanks to its collinear design, this antenna delivers efficient signal distribution with reliable coverage, without the need for tuning. This means: install and ready to use immediately.
Stable coverage for diverse applications
The omnidirectional radiation ensures uniform 360° coverage, ideal for networks where multiple users or systems are active simultaneously. Whether you are working with IoT applications such as LoRa and Sigfox or professional communication systems like TETRA: this UHF base antenna offers consistent performance.
With a gain of 5.15 dBi, the antenna provides strong and stable signal transmission, while the low VSWR (≤ 1.5) ensures minimal losses.
Robust, low-maintenance, and weather-resistant
The Sirio SPO 420-5 is built for long-term use, both on land and in maritime environments. The sturdy fiberglass radome protects the internal radiating element from weather influences, while anodized aluminum and stainless steel ensure extra durability.
The integrated DC-ground protection prevents damage from static discharge, contributing to safe and reliable operation.
Easy installation, immediately deployable
With the included aluminum mounting brackets and stainless steel fastening material, you can easily mount this Sirio antenna on a mast (Ø 35–54 mm). No tuning needed – you are immediately operational.
Key features
- Frequency range: 420 – 470 MHz (broadband UHF)
- Gain: 3 dBd / 5.15 dBi
- Omnidirectional coverage (360° range)
- Suitable for TETRA, LoRa, Sigfox, ISM, and 70cm HAM
- DC-ground protection against static discharge
- Robust construction for outdoor and maritime use
A smart choice for any professional installation
Whether you are setting up an IoT network, optimizing an existing installation, or need reliable communication in the field: with this Sirio antenna, you choose quality, durability, and performance.
Tip: order a suitable connector or adapter directly, so that your installation is complete immediately and you can get started right away.
Ready for reliable communication and maximum flexibility?
Order the Sirio SPO 420-5 today and experience the power of a professional UHF base antenna for yourself.
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💚 18 years of experience in communications equipment and accessories
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