Winner
Updated November 2026
Data from the official Reolink site.
2026 verdict
Following a visitor who walks out of a fixed view is the Reolink Altas PT Ultra's reason to win this pairing.
It pans 355 degrees at 4K, on dual-band Wi-Fi, with solar charging and a battery rated for 16 months. The Reolink Duo 3 PoE instead sees 180 degrees at once, over Ethernet, at IP67, with RTSP and no battery to manage. Track with the Reolink Altas PT Ultra where there is no cable, and span the wall with the Reolink Duo 3 PoE where there is.
Works with
Connectivity
- Wi-Fi 2.4/5 GHz
vs
Works with
Connectivity
- Ethernet
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| Feature | Reolink Altas PT Ultra | Reolink Duo 3 PoE | Winner |
|---|---|---|---|
| Rating | 3.8 | 4.2 | Reolink Duo 3 PoE |
| Weather Resistance | IP65 | IP67 | Reolink Duo 3 PoE |
| PoE | NO | YES | Reolink Duo 3 PoE |
| Solar Charging | YES | NO | Reolink Altas PT Ultra |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi | Ethernet | Reolink Altas PT Ultra |
| Storage | MicroSD Card Slot, Cloud | MicroSD Card Slot | Reolink Altas PT Ultra |
| Multiple Lenses | NO | Dual (180° panoramic) | Reolink Duo 3 PoE |
| RTSP | Reolink Home Hub required | YES | Reolink Duo 3 PoE |
| Warranty | 2 years | 2 years | Tie |
| 2K Video | YES | YES | Tie |
| 4K Video | YES | YES | Tie |
| HDR | NO | NO | Tie |
What the differences mean
Turn to follow, or see it all
The Reolink Altas PT Ultra pans 355 degrees and tilts 90 degrees, from a 90 degree horizontal lens, so it looks one way and then another. The Reolink Duo 3 PoE does not pan. It stitches 180 degrees horizontal all the time. A person leaving the Altas's current aim can be followed. A person at the edge of a driveway is already in the Duo's frame, with no motor delay.
Solar Wi-Fi or Ethernet
The Reolink Altas PT Ultra is a battery camera rated for 16 months, with solar charging and dual-band Wi-Fi, and no Ethernet. The Reolink Duo 3 PoE is Power over Ethernet only, with no Wi-Fi and no battery. Both are 4K with color night vision. Only the Duo lists black-and-white night vision as well. Only the Altas can be mounted with no cable, and only the Duo is immune to a dead battery.
Local access and the hub
The Reolink Duo 3 PoE has RTSP and Home Assistant without an extra hub, and it lists no cloud storage. The Reolink Altas PT Ultra needs a Reolink Home Hub for RTSP, Alexa and Home Assistant. Google Home works on both without that hub. The Altas lists cloud as subscription required. If the recorder is Home Assistant or an NVR, the Duo plugs in more directly.
Weather and continuous recording
The Reolink Duo 3 PoE is IP67. The Reolink Altas PT Ultra is IP65. Both list 24/7 video history. Owners of the Altas say the bundled solar panel cannot keep the battery up if you actually record continuously, and that freezing weather can shut the pack down. The Duo, on Ethernet, does not have that solar limit. Its owners worry about the mount hardware instead.
Which one to buy if
- someone may walk out of a single fixed frame
The Reolink Altas PT Ultra can pan 355 degrees and tilt 90 degrees at 4K. The Reolink Duo 3 PoE cannot turn.
- the whole driveway must be in frame at the same time
The Reolink Duo 3 PoE covers 180 degrees horizontal continuously, over Ethernet, with no motor to catch up.
- there is sun and no Ethernet to pull
The Reolink Altas PT Ultra has solar charging and dual-band Wi-Fi. The Reolink Duo 3 PoE is Ethernet only.
- a Home Assistant recorder should need no extra hub
The Reolink Duo 3 PoE lists Home Assistant and RTSP directly. The Reolink Altas PT Ultra needs a Reolink Home Hub for both.
Winner
- + Solar Charging: YES
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi
- + Storage: MicroSD Card Slot, Cloud
- - Rating: 3.8 vs 4.2
- - Weather Resistance: IP65 vs IP67
$229.99
- + Rating: 4.2
- + Weather Resistance: IP67
- + PoE: YES
- - Solar Charging: NO vs YES
- - Connectivity: Ethernet vs 2.4 GHz WiFi, 5 GHz WiFi
What owners say
Same brand, different relief. Reolink Altas PT Ultra owners praise 4K color night vision, tracking they trust more than other brands, a pre-roll of about ten seconds, and metal mounts. In good sun the panel keeps up. They repeat two limits: the bundled panel cannot feed true 24/7 recording, and hard freezes can stop the battery even when it reads full. Reolink Duo 3 PoE owners praise one stitched picture replacing two cameras, PoE that holds in wind, and detection of people, vehicles and animals. They complain about a mount hole, a faint seam between lenses, and the lack of a motor, which is exactly the gap the Altas is for.
Frequently Asked Questions
Which is better overall: Reolink Altas PT Ultra or Reolink Duo 3 PoE?
The Reolink Altas PT Ultra, on the strength of pan, solar charging and Wi-Fi, and it is the lower priced of the two. The Reolink Duo 3 PoE is the better camera when you can pull Ethernet and need 180 degrees in one frame with direct RTSP.
What is the biggest difference between the Reolink Altas PT Ultra and the Reolink Duo 3 PoE?
Tracking against a stitched wall. The Reolink Altas PT Ultra turns at 4K on battery and solar. The Reolink Duo 3 PoE watches 180 degrees at 4K over Ethernet and cannot pan. Both are 4K Reolink cameras with color night vision.
Can the Reolink Altas PT Ultra replace the Reolink Duo 3 PoE?
Only if you want a different kind of coverage. The Altas follows one subject and needs Wi-Fi and sun or a charged battery. The Duo sees the whole frontage at once and needs a cable. Many yards want the wide frame more than the motor, which is when the Duo stays.
Which records without a Reolink Home Hub?
The Reolink Duo 3 PoE. It has a microSD slot and RTSP on its own, and no cloud service. The Reolink Altas PT Ultra also has a microSD slot, but RTSP, Alexa and Home Assistant require the hub. Google Home does not.
Who should buy the Reolink Altas PT Ultra?
Someone with sun and no cable who wants 4K auto-tracking, and who will use event recording rather than ask the small panel to power a 24/7 timeline.
Who should buy the Reolink Duo 3 PoE?
Someone who can run Ethernet and wants one IP67 camera to see a whole wall at 4K, recorded locally, including into Home Assistant, with no battery.
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