Comelit 3453S/A 316 Audio/Video 8" Touch Screen
The Comelit 3453S/A is an 8-inch audio/video touch screen terminal engineered for integration into Comelit intercom and access control systems. Mounted wall- or column-mounted in lobbies, reception areas, and building entrances, the 3453S/A serves as both a communication endpoint and system control interface, eliminating the need for separate intercoms and keypads. H.264 video compression minimizes bandwidth consumption across your network infrastructure, a critical feature when multiple terminals share the same LAN backbone or when bandwidth-constrained networks limit simultaneous audio/video sessions.
Key Features
- 8-inch Touch Screen Display: Intuitive capacitive interface requiring no external keypads or handsets. All call handling, system navigation, and access control commands execute directly on the integrated display.
- Two-Way Audio: Built-in microphone and speaker support full-duplex audio communication with incoming callers and system operators without auxiliary audio hardware.
- H.264 Video Compression: Reduces video bitrate 20-35% versus Motion JPEG on comparable quality settings, preserving LAN headroom on congested facility networks.
- Wall and Column Mount Options: Adjustable mounting hardware accommodates standard wall studs, metal columns, and cabinet enclosures, enabling rapid repositioning without structural modification.
- Professional System Integration: Works natively with Comelit 316 series control modules and master stations. Proprietary protocol ensures seamless handoff of call routing, access grant/deny logic, and door release commands.
- Indoor Rated: Designed for stable temperature/humidity environments (lobbies, hallways, administrative areas). Not IP-rated; unsuitable for outdoor, high-moisture, or temperature-swing locations.
- 2-Year Warranty: Covers defects in materials and workmanship. Does not cover installation labor, physical damage, or misuse.
The 3453S/A replaces hardwired door phones and standalone keypads with a centralized touch interface. In multi-tenant or campus deployments, a single terminal can serve as the primary access point for 50+ doors or intercom zones, with call queueing and transfer managed by the backend Comelit control system. Integrators report that replacement of aging mechanical door phones (especially in retrofit projects) typically reduces service calls by 40-60% — fewer moving parts, cleaner call logs, and audit trails captured digitally rather than on paper clipboards.
Video handoff to the terminal operates over standard Ethernet — no coaxial SDI or analog video runs required. This simplifies cabling during new construction and retrofit work, and allows terminal relocation without rewiring building infrastructure. H.264 encoding offloads the compression workload to the source camera or control module rather than burdening the terminal processor, reducing latency and improving responsiveness during high-call-volume periods (shift changes, visitor peaks).
The touch interface supports multiple languages (English, Spanish, Italian, French) via simple configuration file push from the Comelit master unit. No on-site firmware updates are required for language switching — useful in facilities with multilingual staff or rotating contractor populations. Audio volume and screen brightness adjust via on-screen menu, allowing facility managers to tune the terminal for ambient noise and lighting conditions without hardware changes.
Comelit's 316 series is a mature, widely deployed platform in European and North American commercial buildings. When specifying the 3453S/A, confirm that your existing Comelit system board supports the 316 terminal protocol — older models (pre-2015) may require firmware updates or module replacements to achieve full two-way video. Request a compatibility matrix from your Comelit distributor before final order.
Marty AllisonPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
We've seen the 3453S/A deployed across a range of commercial and residential access scenarios — from medical office building lobbies to multifamily main entrances. The strength of this terminal lies in its simplicity: no external intercom speakers, no separate video monitors, and no additional relay modules required for basic call handling and door release. In retrofit projects where tenants are upgrading from decades-old hardwired systems, the 3453S/A typically cuts installation time by 30-40% compared to traditional intercom + monitor combinations, simply because you're replacing one device instead of two or three. That said, it's not a universal fit. The terminal is locked to the Comelit ecosystem — if your facility has a mixed-vendor setup (e.g., Comelit access control + Axis or Hanwha IP cameras for perimeter surveillance), the 3453S/A won't natively pull feeds from those cameras into its call-answer screen. You'd need a third-party VMS middleware layer to unify video sources, which adds complexity and cost. For single-vendor Comelit shops, that constraint doesn't matter. For integrators building multi-platform security stacks, it's a significant limitation to communicate upfront.
Technical Highlights:
- H.264 Compression: Reduces stored video bitrate by 20-35% compared to Motion JPEG, extending NVR storage lifecycle and reducing bandwidth strain on facilities with legacy or oversubscribed Ethernet infrastructure. The codec is hardware-accelerated at the source (control module), not at the terminal, so display responsiveness remains crisp even during peak call volume.
- Touch Screen Interface: Capacitive 8-inch display eliminates mechanical keypads and handsets — fewer wear points, lower maintenance burden. Integrators report zero keyboard replacement costs over a 5-year lifecycle, compared to 2-3 keyboard/handset failures per unit per decade on hardwired systems.
- Two-Way Audio Built-In: Integrated microphone and speaker eliminate the need for external speakerphones or headsets. Useful in noisy lobbies where nearby HVAC or traffic noise would otherwise require voice-amplification workarounds.
- Wall and Column Mounting Flexibility: Standard DIN rail or wall-mount bracket hardware integrates with existing facility studs, metal framing, or cabinet enclosures without custom fabrication. Repositioning a terminal takes 15-20 minutes and no structural modification.
- Professional Grade Reliability: 2-year manufacturer warranty. In our experience, mean time between failure (MTBF) on this model is 8-12 years in typical commercial environments, with most field replacements driven by physical damage or accidental liquid exposure rather than component failure.
Deployment Considerations:
- Verify Comelit system board compatibility before purchase. Units manufactured before 2015 may require firmware pushes or supplementary modules to support 316 terminal video handoff. Contact your Comelit distributor for a compatibility matrix — a 30-minute check avoids a site revisit after procurement.
- Install in climate-controlled indoor environments only. The 3453S/A is not IP-rated and will fail in outdoor, high-humidity (>85% RH), or temperature-swing conditions (outdoor vestibules, unheated garages). If you need an outdoor unit, Comelit offers weatherproof variants (consult the catalog).
- Plan for a dedicated 24 VDC power supply rated 2-3A. The terminal draws approximately 15-20W continuous (display + audio codec + network interface). Confirm available circuits at the mounting location before final installation.
- Network runs must be Ethernet CAT5e or better. For runs exceeding 100 meters, use CAT6 or powered repeaters to avoid latency on video handoff. If power-over-Ethernet (PoE) is desired, confirm your Comelit control module supports PoE injection — not all generations do.
- The terminal does not support multi-camera switching on a single call. If your facility requires operators to view simultaneous streams from multiple entry points (lobby camera + elevator camera during a single call), you'll need a separate VMS monitor or software client running elsewhere on the network.
The 3453S/A is the right choice for Comelit-centric facilities where streamlined access control, visitor screening, and inter-unit communication are paramount. Specifiers in multitenant commercial, medical office, and residential security environments consistently report strong ROI on this terminal because it consolidates hardware, reduces support tickets, and integrates cleanly into existing Comelit infrastructure. For mixed-vendor deployments or sites with complex video analytics requirements, pair it with a separate monitoring workstation. See our Comelit catalog for compatible control modules and accessories.
