Reolink Duo 3 PoE vs RLC-843A: Dual Lens vs PTZ
By Reolink Official: Security Cameras and Systems for Home & Business | Published: 2026-10-19
Category: Comparisons
Compare the Reolink Duo 3 PoE and RLC-843A to decide between ultra-wide 180° coverage or 5x zoom PTZ for your large property.
Quick answer
Choose the Reolink Duo 3 PoE if you need to cover a wide area without blind spots; pick the RLC-843A if you need to zoom in on specific details across a large property.
Coverage style: panoramic vs zoomable
The Duo 3 PoE uses a 16MP dual-lens system to deliver a seamless 180° field of view. This is ideal for monitoring open perimeters, driveways, or backyards where you want one camera to see everything at once.
The RLC-843A offers 4K resolution with 5x optical zoom and pan-tilt functionality. It lets you focus on a license plate, a package, or a person across the yard without losing clarity.
Installation and durability
Both cameras use Power over Ethernet (PoE), so a single cable handles data and power. The Duo 3 PoE is weatherproof for outdoor mounting. The RLC-843A adds a vandal-proof housing, making it a stronger choice for high-traffic or exposed locations.
If you need to reposition the camera after installation, the RLC-843A's motorized pan and tilt give you remote flexibility. The Duo 3 PoE is fixed — you set the angle once.
Trade-offs at a glance
- Field of view: Duo 3 PoE gives a fixed 180° panoramic view. RLC-843A offers a narrower default view but can pan and tilt to cover a larger area over time.
- Detail at distance: RLC-843A's 5x optical zoom preserves 4K clarity when zoomed in. Duo 3 PoE cannot zoom optically — digital zoom reduces quality.
- Physical durability: RLC-843A is vandal-proof, suitable for ground-level or exposed spots. Duo 3 PoE is weatherproof but not rated for physical impact.
- Installation simplicity: Both use PoE for one-cable setup. Duo 3 PoE is fixed-mount; RLC-843A requires mounting that allows pan/tilt clearance. Plan your mount location based on whether you need remote repositioning.
Product facts
- Reolink Duo 3 PoE: 16MP dual-lens system captures ultra-wide 180° panoramic views You cover a large area with one camera, reducing the number of units needed for wide perimeters.

Reolink Duo 3 PoE - RLC-843A: 5× optical zoom allows you to focus on specific details without losing image quality You can read a license plate or identify a person from a distance, which a fixed wide-angle lens cannot do.

RLC-843A
Which camera fits your property?
Best for
- Homeowners who want to cover a wide driveway or backyard with one camera
- Users who prefer a fixed, simple setup without motorized parts
Not ideal for
- Scenarios where you need to zoom in on distant details like license plates or faces
- Locations that require a vandal-proof camera due to tampering risk

