Camera Comparison · UK 2026
Reolink RLC-520A vs Reolink RLC-820A

Specs, pros and cons compared side by side

Both the Reolink RLC-520A and the Reolink RLC-820A are PoE dome cameras. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. Reolink specs come from Reolink’s own product pages.

Quick verdict

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Reolink RLC-520A

Pick it for: Wider 100° horizontal view on the 2.8mm version (the RLC-820A: 4mm, 87°)

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Reolink RLC-820A

Pick it for: 4K (3840 x 2160) video (the RLC-520A: 5MP, 2560 x 1920) · Pet detection (the RLC-520A lists motion, person and vehicle detection) · IP67 rating (the RLC-520A: IP66)

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Quick comparison

Spec Reolink RLC-520A Reolink RLC-820A
Resolution 2560 x 1920 (5MP); 4mm or 2.8mm lens versions 4K (3840 x 2160), 87° horizontal
Power PoE (IEEE 802.3af), or 12V 1A adapter PoE (IEEE 802.3af), or 12V 1A adapter
IP Rating IP66 IP67
Wi-Fi None: Ethernet only None: Ethernet only
Storage microSD up to 512GB, Reolink NVR, FTP microSD up to 512GB, Reolink NVR, FTP
Smart home Google Assistant (Reolink lists Alexa as coming soon) Google Assistant (Reolink lists Alexa as coming soon)
Reolink RLC-520A

Pros

  • Dome shape suits ceilings and eaves
  • Wider 2.8mm version available
  • One cable for power and data
  • 30-metre infrared range

Cons

  • Black and white night vision only
  • No two-way audio
  • IP66 rather than IP67
  • Reolink lists Alexa as coming soon
Reolink RLC-820A

Pros

  • 4K in a compact dome
  • One cable for power and data
  • Pet detection
  • IP67 rating

Cons

  • Black and white night vision only
  • No two-way audio
  • Fixed 4mm lens
  • Reolink lists Alexa as coming soon

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Which should you buy?

Why choose the Reolink RLC-520A

  • Wider 100° horizontal view on the 2.8mm version (the RLC-820A: 4mm, 87°)
Why choose the Reolink RLC-820A

  • 4K (3840 x 2160) video (the RLC-520A: 5MP, 2560 x 1920)
  • Pet detection (the RLC-520A lists motion, person and vehicle detection)
  • IP67 rating (the RLC-520A: IP66)

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