ALFA AOA-868 LoRa Antenna

The AOA-868-5ACM is an outdoor-rated, omni-directional antenna engineered for the EU 868 MHz ISM band (863–870 MHz). For Meshtastic nodes, that means a practical, set-and-forget upgrade when you’re aiming for more consistent link quality, better node-to-node reliability, and improved coverage around your location. With 5 dBi gain, vertical polarization, and a standard N-Male interface, it integrates cleanly into typical outdoor cabling and mast installs.

Key Features

• Stronger Meshtastic coverage: 360° omni pattern helps your node hear and be heard in every direction—ideal for neighborhood meshes.
• Tuned for EU 868 MHz: designed for 863–870 MHz, aligning with common Meshtastic EU channel use.
• Upgrade from tiny stock antennas: more gain and better real-world efficiency for fixed nodes.
• Outdoor-friendly and compact: low wind load and easy placement on a mast, wall, or rooftop.
• Standard N-type ecosystem: simplifies adding lightning protection, grounding blocks, and quality coax runs.

Specifications

• Frequency: 863–870 MHz (EU 868 MHz)
• Gain: 5 dBi*
• Pattern: Omni-directional (360°)
• Polarization: Vertical
• Connector: N-Male
• Impedance: 50 Ω
• VSWR: < 2.0 (typ.)

Compatibility & integration for Meshtastic

This antenna is best for fixed Meshtastic nodes (base nodes, repeaters, or roof/balcony installs) operating in the EU 868 MHz region. Many Meshtastic radios and enclosures expose SMA or RP-SMA; because the AOA-868-5ACM is N-Male, you’ll typically connect it using an N-Female coax lead and the correct adapter (SMA↔N or RP-SMA↔N). For best results, choose low-loss coax and keep the run short.

Specifications

What’s included — In the Box

• AOA-868-5ACM outdoor omni antenna (N-Male)

Performance notes / setup guidance for Meshtastic

• Put it high: for Meshtastic, height and clear line-of-sight usually beat “more gain” alone—mount as high as practical.
• Keep coax short: 868 MHz feedline loss is real; shorten cable runs or use low-loss coax if you must go longer.
• Match polarization: keep the antenna vertical to match most Meshtastic node antennas for best coupling.
• Weatherproof the connector: seal outdoor joints and create a drip loop to prevent water ingress.
• Plan for grounding: for mast installs, add appropriate grounding and surge protection for reliability.

If you’re building a dependable base node or relay and want a clean, outdoor omni antenna tuned for EU 868 MHz, the AOA-868-5ACM is an easy, durable way to level up your Meshtastic coverage.

NOTE: Manufacturer specs are provided for reference. Real-world antenna performance depends heavily on installation (mounting height, nearby metal, ground reference, cable loss, and environment). Gain is typically listed in dBi, which means “gain compared to an ideal isotropic radiator in free space.” As a reference point, a classic ½-wave dipole has a typical gain of about 2.15 dBi.