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Ubiquiti UniFi Protect UniFi Protect G4 Doorbell
Bullet Camera with 1.9MP (1600×1200) resolution, 138° field of view, and 0m IR night vision range.
SPECIFICATIONS · UNIFI PROTECT G4 DOORBELL
Specifications
About the Ubiquiti UniFi Protect UniFi Protect G4 Doorbell
The Ubiquiti UniFi Protect UniFi Protect G4 Doorbell is a weather-sealed bullet housing optimized for perimeter, parking, and exterior building installations. 1080p Full HD remains the most widely deployed CCTV resolution in 2026 — it balances bandwidth, storage, and detail well, supporting facial identification up to roughly 12 meters in good light. There is no built-in IR illuminator on this model, so it depends entirely on ambient light. In dark environments, pair it with external IR floods or white-light illuminators. An ultra-wide angle (>120°) captures nearly an entire scene from one position, but pixels per meter drops sharply at the edges, so identification at the periphery is limited.
Best use cases for this camera
Entrance, lobby & vestibule
The 138° field of view captures the entire entrance and surrounding waiting area from a single ceiling mount. Useful for capturing visitors as they enter and leave.
Strengths
- •138° wide field of view reduces the number of cameras needed per area
Considerations
- •Resolution limits forensic digital zoom — recorded faces beyond ~12m may not be identifiable
- •No built-in IR — requires external illumination for night use
- •Edge distortion and reduced peripheral pixel density limit identification at the corners of the frame
Coverage at Different Distances
| Distance | Coverage Width | Coverage Area | Use Case |
|---|---|---|---|
| 5m | 26.1m | 130 m² | Entrance, corridor |
| 10m | 52.1m | 521 m² | Room, retail aisle |
| 15m | 78.2m | 1172 m² | Warehouse, parking row |
| 20m | 104.2m | 2084 m² | Parking row, courtyard |
| 30m | 156.3m | 4689 m² | Parking lot, yard |
| 50m | 260.5m | 13025 m² | Perimeter, large area |
Field of View Visualization
Night Vision Performance
Daytime
Full 1.9MP (1600×1200) resolution at 138° field of view. Effective identification range up to 20m in good lighting conditions.
Nighttime (IR)
Built-in IR LEDs illuminate up to 0m in complete darkness. Switches to B/W mode for clear night footage.
Installation tips for the UniFi Protect G4 Doorbell
Position so the most important subject (entrance, cash register, gate) is in the center third of the frame — peripheral pixel density drops with wide angles.
Coverage geometry & DORI distances
At a 5-metre standoff the Ubiquiti UniFi Protect UniFi Protect G4 Doorbell covers about 26.1 m of scene width; at 10 m that grows to 52.1 m, and at 20 m to 104.2 m. Translating those numbers through EN 62676-4 pixel-density thresholds, the camera can detect a person up to 14 m, observe up to 6 m, recognise up to 3 m, and produce identification-grade detail (the ≥250 px/m bar used by Polish and EU courts as evidentiary) up to 1 m. Effective range above the identify threshold relies on supplementary lighting or a longer-focal-length optic — the geometry above assumes the fixed lens declared by the manufacturer.
Power & cabling
The Ubiquiti UniFi Protect UniFi Protect G4 Doorbell draws an estimated 5.5 W under typical load (with the IR illuminator engaged where applicable), placing it in the 802.3af (Class 3, ≤15.4 W) budget. A single switch port supplies enough power without an injector. Cabling: stick to Cat6 STP for runs up to 100 m end-to-end — beyond that, add an inline PoE extender or move to fibre with a media converter at the camera end. On outdoor runs, route through ø25 PVC or PE conduit to keep the cable shielded from UV and rodents.
Privacy & legal (GDPR / RODO)
Any camera operating in a publicly accessible area falls under GDPR (RODO in Poland) — Art. 13 obliges the data controller to post an information sign at every entry point with controller name, DPO contact, lawful basis (typically Art. 6(1)(f) legitimate interest for property protection), purpose, and retention period. Even a narrowly-aimed bullet camera can incidentally record passers-by, so the Art. 13 sign at the entry point applies regardless of how tightly the lens is framed.
Installer time & cost (rough estimate)
A typical EU installer quotes 3–4 h of labour per bullet camera of this class (approximately €135–€185 excluding hardware), broken down as bracket mounting, cable termination at both ends, on-site commissioning, and a brief operator handover. Allow extra time for high mounts (>4 m), exterior installations requiring scaffolding, or sites where cable routing demands wall penetrations or conduit work.
Indicative EU 2024-2025 pricing — actual quotes vary by region, mounting height, and site conditions. Excludes hardware, transport, permits, and VAT.
Frequently asked questions
Is the Ubiquiti UniFi Protect UniFi Protect G4 Doorbell suitable for outdoor installation?
Yes for the IP66/IP67-rated variant of this model. Bullet and dome bodies in the Ubiquiti UniFi Protect range survive direct rain, snow and UV; check the IP / IK rating against your environment (IP66 for rain/dust, IK10 for vandal-prone locations).
What PoE class powers the Ubiquiti UniFi Protect UniFi Protect G4 Doorbell?
The camera draws roughly 5.5 W in steady-state operation, requiring a 802.3af (Class 3, ≤15.4 W) switch port. A single Cat6 STP cable carries both data and power up to 100 m — beyond that, add an inline extender or convert to fibre near the camera.
How much storage does the Ubiquiti UniFi Protect UniFi Protect G4 Doorbell consume per day?
At 1.9MP (1600×1200) resolution, 15 fps H.265 continuous recording, the UniFi Protect G4 Doorbell produces approximately 8 GB per day — about 240 GB per month. Motion-only or event-triggered recording typically cuts that by 40–70 % depending on scene activity. Plan NVR HDD capacity for the longest retention period required by your privacy policy or insurance contract.
Up to what distance can the Ubiquiti UniFi Protect UniFi Protect G4 Doorbell identify a person?
Per EN 62676-4:2025 pixel-density thresholds, this camera identifies (≥ 250 px/m on the target) up to about 1 m, recognises a person up to 3 m, observes general activity up to 6 m, and detects motion up to 14 m. Identification distance assumes daylight or full IR illumination on the target — at the limits of the IR cone the effective identify distance shrinks roughly 30 %.
What network bandwidth does Ubiquiti UniFi Protect UniFi Protect G4 Doorbell use?
Typical ingest is 3 Mbps for the main stream (H.265, medium scene complexity, 15 fps) plus ~0.5 Mbps for a low-resolution sub-stream used by mobile clients. For a 16-camera installation of this class, plan a 50–100 Mbps NVR uplink and a dedicated VLAN for camera traffic.
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