Camera Comparison · UK 2026
Reolink RLC-820A vs Reolink RLC-843A

Specs, pros and cons compared side by side

Both the Reolink RLC-820A and the Reolink RLC-843A are 4K PoE 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

Ad: we earn commission if you buy through the price buttons on this page. As an Amazon Associate I earn from qualifying purchases.

Reolink RLC-820A

Pick it for: A fixed-lens 4K dome if you don’t need the RLC-843A’s 5x optical zoom or colour night vision

Check latest priceat Amazon

Reolink RLC-843A

Pick it for: 5x optical zoom (the RLC-820A: fixed 4mm lens) · Colour night vision with two 400-lumen spotlights (the RLC-820A: black and white only) · Two-way audio (the RLC-820A: no two-way audio)

Check latest priceat Amazon

Quick comparison

Spec Reolink RLC-820A Reolink RLC-843A
Resolution 4K (3840 x 2160), 87° horizontal 4K (3840 x 2160), 5x optical zoom (2.7-13.5mm)
Power PoE (IEEE 802.3af), or 12V 1A adapter PoE (IEEE 802.3af), or 12V 1A adapter (sold separately)
IP Rating IP67 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-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
Reolink RLC-843A

Pros

  • Optical zoom in a vandal-proof housing
  • Colour night vision with spotlights
  • Two-way audio and siren
  • One cable for power and data

Cons

  • Needs a network cable
  • Fixed position, no pan or tilt
  • Reolink lists Alexa as coming soon

As an Amazon Associate I earn from qualifying purchases.

Which should you buy?

Why choose the Reolink RLC-820A

  • A fixed-lens 4K dome if you don’t need the RLC-843A’s 5x optical zoom or colour night vision
Why choose the Reolink RLC-843A

  • 5x optical zoom (the RLC-820A: fixed 4mm lens)
  • Colour night vision with two 400-lumen spotlights (the RLC-820A: black and white only)
  • Two-way audio (the RLC-820A: no two-way audio)

Related comparisons

🎯 Which camera is right for you?
A few quick questions, instant matches.
Find My Camera →