Cisco CS-BRD55S-K9 Cisco Webex Board 55S All-in-One Interactive Huddle Collaboration Board (Radio Enabled Encrypted K9 Variant) Full Official Specification Document

1. Product Overview

Cisco CS-BRD55S-K9, official full product nameCisco Webex Board 55S All-in-One Interactive Video Conferencing & Digital Whiteboard System (Radio Enabled Encrypted K9 Variant), is Cisco’s compact entry-level all-in-one collaboration appliance purpose-built for small huddle rooms, individual breakout spaces, compact team work zones with seating capacity for up to 5 in-room participants.

SKU Naming Breakdown

1. BRD55S: Board 55 Small, compact 55-inch integrated interactive touch collaboration board optimized for small huddle spaces (distinguished from the larger, feature-enhanced Board Pro 55 series).
2. K9: Cisco standard enterprise encrypted firmware variant, supporting AES 128/256-bit SRTP media stream encryption for all meeting audio, video and content sharing traffic. The radio-enabled hardware factory pre-installs dual-band Wi-Fi 802.11ac (2.4GHz / 5GHz) and Bluetooth radio modules, enabling wireless screen casting, Cisco Intelligent Proximity mobile device pairing, wireless LAN access for cloud device management and wireless stylus connectivityCisco.
3. Corresponding high-security counterpart: CS-BRD55S-NR-K9 (No Radio variant) with all wireless radio hardware fully removed for RF-prohibited secure classified environments. All core audio, video, whiteboard and call processing functions are identical between K9 and NR variants; the only functional difference is permanent disablement of all wireless sharing, mobile pairing and wireless peripheral connection capabilities on NR hardware.

This slim-profile unified chassis adopts minimalist lightweight aluminum frame design, integrated with a compact 55-inch 4K IPS capacitive multi-touch display, built-in dual wide-angle HD cameras, integrated beamforming microphone array and integrated stereo speaker system. The unit delivers all core hybrid collaboration capabilities in a space-saving form factor optimized for small huddle rooms.

The factory-sealed complete bundle includes the Webex Board 55S main all-in-one unit, two magnetic attachable active stylus pens, standard wall-mount installation kit. Optional accessories include dedicated compact floor stand kit and wheeled mobile trolley upgrade kit for flexible room layout deployment.

Powered by Cisco RoomOS firmware, the radio-enabled Webex Board 55S supports dual hybrid deployment architectures: cloud registration and centralized device lifecycle administration via Cisco Webex Control Hub; on-premises unified communications deployment with Cisco Unified Communications Manager (CUCM) and Cisco Expressway-C / Expressway-E cross-firewall remote endpoint gateways.

Core supported capabilities include dual-camera intelligent speaker tracking, AI-powered background noise suppression, native digital whiteboarding with multi-user annotation, BYOD USB-C wired content passthrough, multi-platform meeting interoperability, OBTP one-touch meeting join, basic room occupancy analytics and customizable xAPI room automation macros.

Product Lifecycle Notice

The Cisco Webex Board 55S product generation reached End-of-Sale, with official End-of-Support date scheduled for July 31, 2028, providing multi-year official Cisco technical support, firmware security patches and spare parts supply services for all deployed enterprise endpointsCisco.

2. 55-inch Compact Interactive 4K Touch Display & Dual HD Camera Intelligent Video System

55-inch Professional Interactive IPS Touch Display

• Panel specifications: Single slim 55-inch edge-lit IPS TFT-LCD interactive touch screen, standard 16:9 widescreen aspect ratio, native 3840 × 2160 (4K UHD) physical resolution, 8-bit color depth.
• Display performance parameters: Typical static contrast ratio 1000:1, nominal peak brightness 300 cd/m², gray-to-gray response time 8ms, ±178° ultra-wide horizontal and vertical viewing angles to deliver consistent clear visuals for all in-room participants across compact huddle seating positions.
• Touch functionality: Capacitive multi-touch technology, support for multi-user simultaneous writing, drawing and annotation; two magnetic active stylus pens included for precise whiteboard sketching, note-taking and content markup, pens attach magnetically to the display bezel for convenient storage.
• Multi-mode screen workflow design: The integrated touch screen supports four primary working modes optimized for small huddle spaces:
  1. Video meeting mode, dynamically displaying remote participant video grids and shared presentation content simultaneously;
  2. Standalone digital whiteboard mode for offline brainstorming, drawing and note storage;
  3. BYOD content sharing mode for wired/wireless laptop screen mirroring and annotation;
  4. Digital signage mode for static corporate announcements and schedule displays when not in use for meetings.

Dual Independent Wide-Angle HD Camera & AI Intelligent Camera Suite

• Dual camera hardware specifications: Two discrete built-in wide-angle camera modules embedded at the top center of the display bezel:
  1. Main speaker-tracking camera with wide field of view optimized for small huddle tables;
  2. Secondary overview camera for full-room group framing.
• AI camera processing fully functional on radio-enabled K9 hardware:
  1. SpeakerTrack Active Speaker Tracking: The built-in integrated microphone array accurately locates all active talking participants; smooth digital zoom automatically frames each speaker without mechanical pan/tilt movement or operational noise.
  2. Best Overview Auto Group Framing: The wide-angle secondary camera detects all people within the small huddle capture zone and optimizes panoramic framing to evenly center the full participant group for uniform high-quality remote viewing experience.
  3. People Focus Intelligent Layout Composition: Automatically prioritizes and resizes active participant video windows for balanced, distraction-free meeting layouts during Webex conference calls.
• Physical privacy protection: Integrated mechanical sliding privacy shutter that fully covers both camera lenses during confidential closed-door meetings to completely block all video capture.

Video Codecs & Hybrid Wired/Wireless Content Sharing Mechanisms

• Supported video encoding/decoding standards: H.264 AVC, H.265 HEVC; dual-stream presentation transmission supported via H.239 (H.323) and BFCP (SIP) industry-standard protocols.
• Bandwidth and resolution performance: Maximum point-to-point call bandwidth up to 6 Mbps with dynamic adaptive bitrate control; live meeting participant video streams support maximum 1080p30 full HD resolution, content sharing input supports up to 1080p30 resolution from BYOD laptops, document cameras and external media playback devices.
• Hybrid wired + wireless content sharing modes (wireless functions exclusive to radio-enabled K9 variant):
  1. Wired direct sharing: 1× HDMI input port for hardwired connection of laptops, document cameras and media players; USB-C wired passthrough for third-party conference software audio/video routing and touch screen redirection during local content sharing.
  2. Wireless sharing suite: Apple AirPlay wireless screen mirroring, Miracast over infrastructure, Cisco Intelligent Proximity mobile device pairing, zero-install browser-based guest sharing for external visiting meeting attendees without pre-installed software.
• HDMI CEC automatic display power management: The onboard RoomOS codec automatically powers the integrated 55-inch touch screen on/off and switches active input signal sources synchronized to OBTP scheduled meeting start and end events.

3. All-In-One Enterprise-Grade Integrated Digital Audio DSP System

The Webex Board 55S slim unified chassis integrates a compact professional audio stack paired with integrated digital signal processing (DSP) engine optimized for small huddle room voice capture and balanced compact spatial audio playback.

Audio Input Interfaces

1. Built-in integrated omnidirectional beamforming microphone array for native full-room voice pickup without mandatory external table microphones for small huddle rooms seating up to 5 participants.
2. External microphone expansion port: 4-pin 3.5mm mini-jack supporting 48V phantom-powered analog table microphones for extended voice pickup range in larger multi-purpose spaces.
3. Embedded digital audio decoding streams extracted from the HDMI presentation input source and USB-C wired BYOD audio connection.

Advanced Digital Audio DSP Processing Suite

1. AI Adaptive Background Noise Suppression: Intelligently filters disruptive ambient background sounds including HVAC fan hum, keyboard typing, paper rustling and idle off-topic room chatter without distorting natural human speech waveforms.
2. Digital acoustic echo cancellation with tight active lip synchronization to eliminate audio-video synchronization delay and out-of-sync remote participant audio playback.
3. Automatic Gain Control (AGC): Uniformly balances inconsistent voice volume levels between distant and close seated participants to maintain consistent audio loudness for all remote meeting attendees.
4. True full-duplex simultaneous two-way audio transmission, built-in self-hear monitoring function for local microphone audio preview.

Supported Audio Codecs & Integrated Audio Output

• Wideband and high-fidelity voice codecs: G.711a/μ, G.722 wideband (20kHz full audio frequency response), G.722.1, G.729A/B, AAC-LD, Opus stereo lossless voice transmission.
• Integrated speaker system specifications: Integrated stereo full-range speakers with compact bass response, auxiliary stereo line-out mini-jack compatible with external hearing induction loop assistive audio systems for accessibility compliance.

4. Onboard RoomOS Codec Wired & Wireless Interfaces, Network & Power Specifications

Full Connectivity Ports (Radio Enabled K9 Model with Wi-Fi & Bluetooth Radio Modules)

1. Two Gigabit Ethernet (10/100/1000 Mbps) RJ45 wired ports:
   • Primary corporate LAN port for wired network access, device cloud/on-prem CUCM registration and real-time media stream data transmission
   • Secondary Ethernet port for auxiliary network peripherals and Room Navigator touch panel connection
2. Built-in dual-band Wi-Fi 802.11ac (2.4GHz / 5GHz) 2×2 MIMO wireless radio + Bluetooth radio modules for wireless LAN access, mobile device proximity pairing and wireless screen mirroring; enterprise-grade WPA3 wireless security fully supportedCisco.
3. Video I/O Ports:
   • 1× HDMI input port supporting up to 1080p30 content
   • 1× HDMI 2.0 output port supporting up to 1080p60 resolution for connecting auxiliary external secondary displays
4. USB Interfaces: 1× USB-A 2.0, 1× USB-C asynchronous audio/video passthrough port for third-party conferencing software integration; Micro USB service maintenance port for batch firmware upgrades, centralized bulk device configuration deployment and remote IT troubleshooting by enterprise IT administrators.
5. Audio I/O Ports: 1× 4-pin mini-jack analog microphone expansion input, 1× stereo line-out output mini-jack for external audio peripherals and accessibility assistive listening systems.
6. Factory reset pinhole and Kensington security lock slot for physical anti-theft protection of the slim all-in-one unified chassis.

Network Security & QoS Compliance

• Dual-stack IPv4 / IPv6 network protocol support, DHCP automatic IP address assignment via wired Ethernet or wireless Wi-Fi radioCisco.
• Enterprise wired/wireless network security standards: IEEE 802.1X EAP device authentication, IEEE 802.1Q VLAN tagging, IEEE 802.1p Layer 2 QoS priority marking to prioritize real-time voice and video media traffic over standard office data packets.
• End-to-end AES 128/256-bit encrypted SRTP media streams for SIP/H.323 signaling traffic and meeting audio/video media payloads; secure remote device administration via SSH, HTTPS, SSL/TLS encrypted management portals.
• Firewall traversal support via Cisco Expressway Series gateways and industry-standard H.460.18 / H.460.19 protocols for secure off-site remote endpoint registration across corporate network firewalls via wired or wireless network infrastructure.

Power & Physical Dimensions

• Power supply specifications: Integrated universal auto-ranging AC power supply built into the slim unified chassis, input voltage range 100–240 VAC, 50/60 Hz global mains input compatibility for worldwide enterprise deployments.
• Power consumption metrics: Maximum full-load active meeting operating power 280 W; standby idle low-power mode consumption 35 W.
• Operating environmental range: Ambient operating temperature 0°C to 40°C (32°F to 104°F); relative humidity 10%–90% non-condensing for stable 24/7 continuous daily meeting room operation.
• Storage and transport environmental range: -20°C to 60°C (-4°F to 140°F) with non-condensing humidity for warehouse storage and inter-region shipping.
• Mounting accessory compatibility: Optional compact dedicated floor stand kit, wheeled mobile trolley base kit and reinforced wall-mount bracket accessory available for flexible meeting room layout deployment.
• Physical dimensions (main unit only): Width 1283 mm (50.5 in), height 814 mm (32.1 in), depth 50 mm (1.9 in); total unit weight approximately 39.8 kg (87.7 lb).

5. Core Enterprise Call & Intelligent Meeting User Experience Functions

Standard Enterprise Call Feature Set

• Point-to-point HD video calls, ad-hoc multi-party embedded multi-site video conferencing
• Call hold, attended transfer, blind transfer, local microphone mute, customizable speed dial shortcuts
• Corporate LDAP directory lookup, integrated visual voicemail support, URI dialing, RFC 4733 DTMF tone transmission
• NTP network time synchronization, DNS service discovery, automatic gatekeeper discovery for H.323 legacy endpoint interoperability.

Intelligent Meeting Workflow Functions

1. OBTP (One Button To Push): Single-touch one-click meeting join for all pre-scheduled Webex cloud meetings; fully compatible with both cloud-hosted and on-premises enterprise wired/wireless deployment architectures.
2. Motion sensor automatic room wake-up: The slim all-in-one system automatically powers on when human presence motion is detected inside the small huddle room, eliminating manual power-on operations before scheduled meetings.
3. Native multi-platform meeting interoperability: Direct one-touch access to scheduled Webex Meetings, Microsoft Teams Rooms, Zoom for Cisco Rooms and Google Meet conference sessions without auxiliary external AV switching hardware.
4. Multi-mode meeting control options: Operate all core conference functions via the built-in touch screen, infrared remote control, Webex desktop wired administrator portal, or wireless mobile Webex app pairing via the built-in Wi-Fi/Bluetooth radio modules.
5. Full room automation integration: Supports wired control linkage with third-party meeting room peripherals including auxiliary display screens, overhead lighting systems, motorized window blinds and external auxiliary audio equipment via standardized xAPI control system interfaces and customizable automation macros for end-to-end automated conference room workflow management.
6. Compact digital whiteboard functionality: Standalone offline whiteboard mode with unlimited canvas space, multi-color annotation tools, shape templates, text input, file import/export, cloud storage and one-click sharing to meeting participants or email recipients, optimized for small-team quick brainstorming sessions.
7. Digital signage operation mode: Configurable automatic screen scheduler to display corporate announcements, office calendars and workspace information when no active meeting is running.

6. Supported Call Control & Compatibility Platforms

1. Cloud deployment: Cisco Webex Cloud Service, centralized global device lifecycle management via cloud-based Webex Control Hub administrator portal (device registration supported via wired Ethernet or wireless Wi-Fi radio).
2. On-premises unified communications deployment: Cisco Unified Communications Manager (CUCM) v9.2 and later stable official releases with dedicated Board 55S hardware compatibility packs.
3. Remote registration gateway: Cisco Expressway Series (Expressway-C / Expressway-E) gateways for secure cross-firewall remote endpoint registration for distributed multi-branch enterprise deployments.
4. Third-party interoperability: Standards-compliant SIP proxy servers and H.323 gatekeepers with full cross-vendor video endpoint compatibility.

7. Core Deployment Advantages of Radio-Enabled Webex Board 55S (CS-BRD55S-K9)

1. Integrated Wi-Fi and Bluetooth wireless ecosystem delivers seamless AirPlay, Miracast wireless screen mirroring and Cisco Intelligent Proximity mobile pairing, removing mandatory wired laptop cable connection requirements for small-team huddle participants.
2. Slim compact all-in-one 55-inch interactive touchscreen design combines video conferencing dual cameras, integrated microphone array, built-in speaker system and digital whiteboard into a single lightweight slim unit, perfectly sized for small huddle rooms, breakout spaces and compact team zones, drastically reducing installation cabling complexity and separate AV hardware clutter compared to discrete conference room components.
3. Dual wide-angle HD camera system with AI SpeakerTrack and Best Overview framing delivers balanced, natural participant video for remote attendees without requiring separate external PTZ cameras for presenter tracking in small spaces.
4. Built-in integrated beamforming microphone array provides uniform full-room voice pickup without mandatory external table microphones for standard small huddle rooms seating up to 5 participants, reducing additional peripheral hardware capital investment.
5. Native multi-vendor meeting platform certification fully supports Webex, Microsoft Teams, Zoom and Google Meet without proprietary platform lock-in, ideal for hybrid multi-vendor enterprise collaboration ecosystems.
6. Exclusive built-in compact digital whiteboard functionality enables quick offline small-team brainstorming, real-time multi-user annotation during live meetings, and cloud storage/one-click content sharing, eliminating the need for separate physical whiteboards or third-party annotation devices in breakout spaces.
7. Centralized mass wired/wireless device management via Webex Control Hub or CUCM simplifies bulk firmware batch upgrades, batch configuration template deployment, real-time device health monitoring and remote IT troubleshooting, drastically reducing daily multi-room enterprise IT maintenance workload.
8. Slim lightweight minimalist industrial aluminum and soft fabric design harmonizes seamlessly with modern corporate office interior aesthetics, occupying minimal wall/floor space and eliminating bulky scattered separate AV hardware visual clutter in compact huddle rooms and breakout workspaces.

8. Supplementary Product Specification Notes

1. SKU Naming Definition Recap:
   • BRD55S = Board 55 Small, compact 55-inch all-in-one interactive collaboration board optimized for small huddle rooms
   • K9 = Encrypted secure firmware with full AES-SRTP media encryption; radio-enabled variant with integrated Wi-Fi 802.11ac and Bluetooth radio modules Matching high-security No-Radio counterpart model: CS-BRD55S-NR-K9 with all wireless radio hardware removed. All audio, video, whiteboard and call processing features are identical between two variants; only wireless sharing and mobile pairing functions are permanently disabled on NR hardware.
2. Regulatory Compliance: Compliant with global international industry certification standards including EMC Directive 2014/30/EU, Low Voltage Directive 2014/35/EU, RoHS 2011/65/EU, WEEE 2012/19/EU, Radio Equipment Directive (RED) 2014/53/EU, FCC Class A electromagnetic emissions certification and NRTL global product safety approvalCisco.
3. Factory Hardware Warranty: Standard 1-year limited hardware warranty for brand-new factory-sealed CS-BRD55S-K9 all-in-one systems purchased through official Cisco authorized global distribution channels.
4. UNSPSC Classification Code: 45111902 (Compact 55-inch all-in-one interactive touchscreen video conferencing & digital whiteboard collaboration appliance for small huddle rooms, radio-enabled enterprise encrypted variant).