{"id":126554,"date":"2026-04-23T08:59:51","date_gmt":"2026-04-23T08:59:51","guid":{"rendered":"https:\/\/www.seeedstudio.com\/blog\/?p=126554"},"modified":"2026-05-06T03:08:05","modified_gmt":"2026-05-06T03:08:05","slug":"how-to-pick-fiberglass-antenna-for-meshtastic-solar-node","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2026\/04\/23\/how-to-pick-fiberglass-antenna-for-meshtastic-solar-node\/","title":{"rendered":"How to Pick the Fiberglass Antenna for Your Meshtastic Solar Node"},"content":{"rendered":"\n

Introduction<\/strong><\/h1>\n\n\n\n

Once you have a SenseCAP Solar Node, you have already solved one of the biggest challenges for Meshtastic deployments: keeping your node always online. The next step is improving how far and how reliably that node can communicate.<\/p>\n\n\n\n

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Choosing the right fiberglass antenna, combined with proper installation, can help extend your coverage from short-range neighborhood links to long-distance connections under clear line-of-sight conditions. In this guide, we will walk through three different Seeed fiberglass antenna options with different dBi ratings and explain how to use them to build a stronger Meshtastic backbone for your area.<\/p>\n\n\n\n

Why Choose a Fiberglass Antenna?<\/strong><\/h2>\n\n\n\n

From the perspective of durability and protection, fiberglass antennas are better suited for long-term outdoor deployment. They are typically designed for extended outdoor service life, with a robust enclosure that protects the internal collinear antenna structure without introducing additional electromagnetic interference.<\/p>\n\n\n\n

Because fiberglass antennas are usually installed in higher, more exposed locations, their connection points are often designed with more reliable sealing. This generally gives them better waterproofing and corrosion resistance than standard rod antennas.<\/p>\n\n\n\n

Overall, fiberglass antennas offer strong resistance to weather, corrosion, UV exposure, aging, and mechanical impact. They can also maintain stable performance in harsh environments from -30\u00b0C to 65\u00b0C<\/strong>, making them a strong fit for complex outdoor applications.<\/p>\n\n\n\n

How to Choose Between Three Fiberglass Antennas<\/strong><\/h1>\n\n\n\n

When choosing a fiberglass antenna for your SenseCAP Solar Node, you should not look only at the dBi number. Antennas with different gain levels, frequency ranges, and physical lengths are designed for different deployment environments.<\/p>\n\n\n\n

For a Solar Node, the purpose of choosing the right antenna is simple: to make your always-on solar-powered node not just \u201conline,\u201d but a stable and effective Meshtastic relay.<\/strong><\/p>\n\n\n\n

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3dBi Fiberglass Antenna<\/a>: The Most Forgiving Entry-Level Upgrade<\/strong><\/h2>\n\n\n\n
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The biggest advantage of this antenna is its wide frequency coverage, supporting both US and EU frequency ranges. It also comes with an antenna base, making it convenient to connect directly with the Solar Node.<\/p>\n\n\n\n

The 3dBi fiberglass antenna is suitable for complex terrain and environments where node heights are not consistent. Typical examples include urban streets, mountains, hills, valleys, areas between buildings, or locations where the Solar Node cannot be mounted at an ideal height.<\/p>\n\n\n\n

Its relatively wider vertical coverage makes it more tolerant of installation angle and height differences between nodes. If nearby nodes are located downstairs, down a slope, in a valley, or if your device is installed on a balcony or roof edge, a 3dBi antenna can often be a safer choice than a higher-gain antenna.<\/p>\n\n\n\n

In addition, its 360mm length makes it easier to install and better suited for locations with limited space.<\/p>\n\n\n\n

You can think of it as the safest conservative upgrade that is hardest to get wrong<\/strong>.<\/p>\n\n\n\n

5.8dBi Fiberglass Antenna<\/a>: The Balanced Choice for Most Fixed Outdoor Deployments<\/strong><\/h2>\n\n\n\n
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This antenna is designed for the US frequency band. To ensure stable outdoor mounting and better suitability for fixed installation scenarios, it does not come with the same antenna base as the 3dBi version. Instead, it includes the following accessories:<\/p>\n\n\n\n

CFD200 cable 1mt<\/td>1*<\/td><\/tr>
Mounting Bracket<\/td>1*<\/td><\/tr>
N Type to RP-SMA cable (compatible with Solar Node)<\/td>1*<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

This makes it suitable for most common fixed outdoor deployments, such as suburban rooftops, residential balconies, villages, farms, campsites, and community relay nodes.<\/p>\n\n\n\n

If users want their Solar Node to achieve better horizontal coverage without sacrificing too much vertical coverage, the 5.8dBi antenna is a well-balanced option.<\/p>\n\n\n\n

You can think of it as the recommended choice for most Solar Node outdoor deployments<\/strong>.<\/p>\n\n\n\n

8dBi Fiberglass Antenna: EU<\/a> & US<\/a> For Long-Distance Line-of-Sight Deployments<\/strong><\/h2>\n\n\n\n
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Seeed provides two 8dBi fiberglass antenna versions for different frequency bands. Like the 5.8dBi antenna, each kit includes:<\/p>\n\n\n\n

CFD200 cable 1mt<\/td>1*<\/td><\/tr>
Mounting Bracket<\/td>1*<\/td><\/tr>
N Type to RP-SMA cable (compatible with Solar Node)<\/td>1*<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

The 8dBi fiberglass antenna is suitable for long-distance, open, and clear line-of-sight fixed deployments, such as:<\/p>\n\n\n\n