Ubiquiti airFiber 24HD (AF‑24HD)

Ubiquiti airFiber 24HD Hi-Density (AF‑24HD) is a high-capacity 24 GHz point-to-point wireless bridge designed for carrier-grade backhaul. It delivers up to 2 Gbps full-duplex throughput with ultra-low latency, ensuring seamless data transmission over long distances exceeding 20 km.

Ubiquiti airFiber 24HD (AF‑24HD) is Engineered with GPS synchronization, dual high-gain antennas, and rugged IP-rated housing, the AF‑24HD offers exceptional performance in dense urban or remote deployments.

Detailed Specifications for Ubiquiti airFiber 24 HD (AF‑24HD)

🛠️ Mechanical & Environmental

• Dimensions: 593 × 768 × 370 mm (unit); Weight: 17.3 kg (with mount)
• Mounting: Heavy-duty pole kit with ±20° tilt adjustment
• Wind Loading: 770 N at 200 km/h; Survivability: 200 km/h
• Operating Temp: –40 °C to +55 °C; Humidity 5–95% non-condensing
• Certifications: CE, FCC, IC; NDAA compliant; meets MIL‑STD‑810G & IEC 60068‑2‑6
• Protection: ESD/EMP rated at ±24 kV; IP-rated enclosure

⚡Ubiquiti airFiber 24HD Networking & Power

• Ethernet Interfaces:
  • Data: 1 × Gigabit RJ45
  • Management: 1 × 10/100 RJ45
  • Alignment Tone: 1 × RJ‑12
• Power: 50 V, 1.2 A Passive 4‑pair PoE (injector included), 42–58 V supported; max draw 50 W

📡 RF & Antenna

• Frequency: 24.05–24.25 GHz; two channels (24.1 & 24.2 GHz); 100 MHz bandwidth
• Antenna Gains: TX 33 dBi; RX 40 dBi; Beamwidth < 3.5°; Front-to-back ratio 70 dB; Dual-slant polarization
• EIRP: ~33 dBm (FCC/IC), ~20 dBm (CE), ~40 dBm (other regions)
• Modulation: 256QAM MIMO, 64QAM, 16QAM, QPSK, ¼× QPSK

🚀 Performance & Sync

• Throughput: Up to 2 Gbps aggregate (FDD); ~1 Gbps per direction in TDD
• Range: 20+ km for full performance links
• Latency: < 200 µs (FDD), < 2 ms (TDD) under full load
• Packet Rate: > 1 Mpps
• Encryption: 128‑bit AES hardware-accelerated
• GPS Sync: Built-in PPS timing improves frequency accuracy from ±2.5 ppm to ±0.2 ppm

⚙️ Software & Diagnostics

• OS: airOS with intuitive web interface
• Duplex Modes: Full-Duplex FDD for max throughput; Half-Duplex TDD for challenging conditions
• HDD Support: Hybrid duplex to balance spectral efficiency and latency
• Diagnostics: LED display for real-time dBm, master/slave, link status, modulation, GPS; integrated audio tone & alignment tools
• Path Fading: Auto compensation for rain fade and reflected signals

✅ Conclusion

Ubiquiti airFiber 24HD Hi-Density (AF‑24HD) is a carrier-grade 24 GHz PtP bridge delivering up to 2 Gbps full-duplex throughput, <200 µs latency, GPS sync, and rugged, MIL‑STD-rated durability for long-range wireless backhaul.

Datasheet