Comelit 909020111 GS3-LF Proximity Reader with 4MP Video
The Comelit 909020111 is a dual-function proximity reader designed for access control deployments that require visual identity verification at the point of entry. It combines RFID card authentication with onboard 4MP image capture, eliminating the audit gap inherent in card-only access logs. The unit operates on PoE+ (802.3at) power, removing the need for separate 24V DC wiring runs and simplifying network infrastructure. This form factor is purpose-built for commercial buildings, institutional facilities, and multi-tenant properties where access events must be logged with photographic proof of credential holder presence.
Key Features
- 4MP Video Capture: 2560×1440 resolution at entry points. Clear enough to establish visual identity during access events, integrating with standard video management workflows.
- PoE+ Powered (802.3at): Single network cable delivers both power and data—eliminates 24V DC runs, reduces installation labor, and simplifies power budgeting on managed PoE infrastructure.
- Proximity Card Authentication: Integrated RFID reader triggers dual-stream logging: access control events + synchronized video frame capture for audit and forensic review.
- IP65 Weather Resistance: Polycarbonate housing rated IP65—suitable for indoor and sheltered outdoor entry canopies; withstands rain and wash-down environments.
- ONVIF Compliance: Video stream accessible via ONVIF-compliant video management systems (Genetec, Milestone, Avigilon, ExacqVision). Access control data flows through Comelit native protocol.
- Visual and Audible Indicators: Red/green LED status lights and audible sounder provide real-time feedback—reader grant/deny confirmation without requiring integration to external signage.
- Compact Form Factor: 89mm wide × 115mm tall × 28mm deep. Surface-mounted or flush-mounted at standard door frame cutouts; minimal protrusion reduces vandalism surface area.
- UL-Rated Polycarbonate Construction: Fire-rated enclosure suitable for life safety deployments; meets building codes for access control hardware in egress paths.
The dual video and access control data streams operate on independent channels. Video is encoded and streamed via RTSP/ONVIF to your VMS; credential data and access grants remain on the Comelit controller. This separation ensures that a single point of failure (network interruption, VMS downtime) does not block physical access decisions. The reader continues to authenticate valid credentials and log events locally if the video feed is temporarily unavailable.
PoE+ infrastructure requirements are non-negotiable: standard 802.3af (15.4W budget) is insufficient. Each reader unit draws approximately 13–14W under normal operation; your PoE switch or midspan injector must support 802.3at (30W budget per port) and enforce power negotiation correctly. Legacy 802.3af-only switches will not power the unit, and undersized midspan injectors will cause intermittent resets. Audit your network switch data sheets before deployment—many older managed switches list PoE+ support but deliver inadequate real-world wattage.
Comelit controller firmware version and your VMS platform version must both support the 909020111 data stream model before installation. Credential databases and access policies are managed through the Comelit platform; video correlation is handled by your VMS. Synchronization between access events (logged on Comelit) and video frames (logged on VMS) depends on NTP time-sync across both systems. Clock drift of more than a few seconds will make forensic review difficult. Confirm time-sync strategy during network design phase.
The unit is rated IP65 and suitable for sheltered outdoor mounting (building overhangs, alcoves)—not for direct rainfall or submersion. Polycarbonate degrades under extended UV exposure; avoid unshaded south-facing installations in high-UV climates without supplementary UV-blocking film. For indoor applications, standard environmental controls apply.
Comelit 909020111 integrates with the Comelit access control ecosystem and ONVIF video platforms, making it suitable for organizations that have already invested in either ecosystem. It does not bridge Comelit and non-ONVIF VMS platforms; if your VMS is proprietary (e.g., Hikvision-only without ONVIF gateway), you will lose video integration capability. Confirm that your VMS supports ONVIF Profile S or higher before committing to this reader. The 2-year manufacturer warranty covers defects in materials and workmanship; power surge damage is not covered without optional surge protection on the PoE line.
Marty AllisonPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
We've deployed the Comelit 909020111 in a range of access-critical environments—data centers, financial services buildings, healthcare facilities—and it fills a legitimate operational niche: the marriage of proximity-based access control with synchronous video logging. The real-world value proposition sits at the intersection of audit compliance and incident investigation. When a card is swiped, you get both the access event (logged on the Comelit controller) and a video frame of the cardholder (logged on your VMS). In contested access denial scenarios, that dual proof of identity removes a significant forensic gap. Traditional access control systems log events only; external security cameras capture video but lack the temporal synchronization needed to reliably correlate a face with a credential event. The 909020111 solves that directly.
That said, this is not a replacement for perimeter surveillance or area coverage. It is a single-point identity verification tool, best thought of as a credentialing checkpoint rather than a video camera. The 4MP resolution is sufficient for facial recognition under good lighting; in dimly lit entryways, the image will not support reliable biometric matching. Pair it with supplementary task lighting if your entry vestibule is shadowed. We've also seen integrators mistake the PoE+ power draw for a low-power sensor—the unit consumes meaningful wattage, and on installations with 16+ readers, the cumulative PoE budget can exceed budget on undersized PoE infrastructures.
Technical Highlights:
- PoE+ (802.3at) Requirement: 13–14W draw per unit. Standard 802.3af (15.4W total) will not power this reader reliably. If you have a mixed deployment with multiple 909020111 units, calculate total PoE budget early—a 24-port PoE+ switch with 180W total budget supports only 12–14 readers at full power. Undersizing here causes intermittent failures that are hellish to troubleshoot after installation.
- 4MP Video + Credential Dual Logging: Video stream via ONVIF RTSP; access events via Comelit native protocol. If either channel fails, the other continues to log independently. This architectural separation is a strength—the reader stays functional even if your VMS is offline. Operationally, it means you need competent NTP synchronization to correlate events across the two systems during incident review.
- IP65 Enclosure, UL-Rated Polycarbonate: Suitable for indoor/sheltered outdoor mounting in commercial and institutional settings. Not submersible; not rated for direct hose-down (though splash-resistant). The polycarbonate is fire-rated, which matters in life-safety-code jurisdictions. UV degradation is a minor concern in indoor installations but significant in unshaded outdoor deployments over 3+ years.
- Audible Sounder + LED Status Indicators: Provides local access-grant/deny feedback without requiring external hardware. Reduces confusion at the door—users get immediate confirmation that their card was read. The LED colors (red/green) are customizable through Comelit configuration; audible tone volume is adjustable.
- Compact Form Factor (89×115×28mm): Surface-mount or recess-mount at standard door frames. Minimal profile reduces protrusion and vandalism surface area compared to bulkier multi-module readers. Weighs only 290g, so standard drywall anchors and surface-mount brackets are sufficient.
Deployment Considerations:
- PoE+ switch or midspan injector is mandatory—audit your existing infrastructure before procurement. Many organizations discover too late that their PoE-capable switches are 802.3af-only. If you have to upgrade the PoE backbone, factor that cost into the total project ROI.
- Time synchronization between Comelit controller and VMS is critical for forensic value. If NTP is not properly configured across both systems, video frames and access events will appear out of sequence during incident review. Do not skip this step.
- ONVIF compliance is a hard prerequisite for VMS integration. If your VMS is proprietary (e.g., Hikvision-native without ONVIF gateway), video streaming will not work. Confirm platform compatibility before installation.
- Lighting at the entry point matters. 4MP resolution is sufficient for identity verification in well-lit environments (150+ lux); in dimly lit vestibules or shadowed entries, add supplementary task lighting (LED strip above the reader) to ensure usable video frames for facial recognition.
- The unit is not suitable for direct outdoor installation (rain, snow, temperature extremes). Sheltered overhangs or interior entry alcoves are appropriate; unshaded outdoor deployments will degrade the polycarbonate and shorten service life.
- Credential database synchronization: if you are adding readers to an existing Comelit system, ensure the controller firmware version supports this model and that credential provisioning is tested before go-live. Firmware mismatches have been known to cause silent authentication failures.
The Comelit 909020111 is the right choice for organizations that prioritize audit-grade access logging with visual proof of identity, operate an existing Comelit access control infrastructure, and have already standardized on ONVIF-compliant VMS platforms. It is not ideal for low-complexity access control deployments (apartment buildings, small offices) where the dual-logging infrastructure is overkill, nor for environments where external perimeter surveillance is the primary security goal. If you need visual identity at the door and compliance-grade event logging, this reader closes a real gap. For more information on Comelit access control solutions, visit the Comelit catalog.
