Cisco Meraki MR42-HW Full English Description

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Full Commercial Product Description

1. Dedicated Third Radio for 24/7 WIDS/WIPS & RF Analytics: Continuous background scanning across full 2.4GHz/5GHz bands identifies non-Wi‑Fi interference sources (microwaves, Bluetooth equipment, industrial motors) and unauthorized rogue wireless transmitters at all times. The Meraki cloud dynamically adjusts AP channel selection, transmit power levels and client roaming handoff thresholds based on real-time spectrum data to maintain consistent high-performance wireless connectivity. Air Marshal delivers real-time wireless threat detection and automatic rogue AP containment with cloud-based security forensic logging.
2. Self-Healing Multi-Hop Wireless Mesh Networking: MR42 APs automatically establish wireless mesh backhaul links to extend wireless coverage to remote building wings, basements and campus zones without physical Ethernet cabling. If the primary wired uplink fails, the AP seamlessly switches to mesh routing to preserve internet access for all connected wireless clients, supporting load-balanced mesh gateway deployments for scalable campus-wide coverage extension.
3. Layer7 Deep Packet Inspection (DPI) Application-Aware QoS & Identity-Based Stateful Layer3-7 Firewall: The integrated DPI engine classifies hundreds of distinct application-level traffic streams, including enterprise VoIP voice, HD video conferencing, cloud SaaS business applications, social media streaming and P2P file sharing. Network administrators configure granular QoS priority rules to prioritize latency-sensitive mission-critical business communications while enforcing configurable bandwidth rate caps on recreational non-business traffic to eliminate wireless network congestion during peak user hours. Identity-aware firewall supports device-specific access control policies and integrates with enterprise Active Directory/LDAP/RADIUS identity databases for unified endpoint access management.
4. Unified Enterprise Wireless Security Suite with Full WPA2 Support: AES hardware-accelerated encryption supporting WEP, WPA‑PSK, WPA2‑PSK personal encryption; WPA2‑Enterprise AES hardware acceleration with full IEEE 802.1X EAP‑TLS/PEAP/EAP‑FAST enterprise authentication suites. Fully customizable branded captive portal splash pages deliver secure internet-only guest visitor access with built-in wireless client isolation to block peer-to-peer communication between untrusted guest devices, reducing network security attack surfaces. Additional security features include hidden SSID broadcast suppression, MAC address ACL filtering, Meraki Teleworker IPsec VPN for secure remote branch corporate LAN extension and identity policy firewall for granular user/device network access control.
5. BLE-Powered Presence Location Analytics: The integrated BLE radio enables cloud-hosted visitor and endpoint tracking metrics including client capture rate, average session duration and repeat visitor statistics, ideal for retail stores, conference centers and campus space utilization analysis.

Four Independent Radio Hardware Architecture

1. 2.4 GHz Wi‑Fi 5 (802.11b/g/n/ac Wave2) Client Radio: 3×3 UL/DL MU‑MIMO three spatial streams, supports 20/40 MHz channel bonding, transmit beamforming, maximal ratio combining (MRC), cyclic shift diversity (CSD), A‑MPDU/A‑MSDU packet aggregation and 256-QAM modulation. Max single-band PHY throughput: 600 Mbps, integrated omnidirectional internal PIFA antennas optimized for wide-area indoor coverage.
2. 5 GHz Wi‑Fi 5 (802.11a/n/ac Wave2) Client Radio: 3×3 UL/DL MU‑MIMO three spatial streams, supports 20/40/80 MHz wide channel widths, DFS radar frequency avoidance, beamforming, MRC receive diversity and 256-QAM modulation. Max single-band PHY throughput: 1300 Mbps, integrated internal antennas with reduced adjacent-channel RF interference for ultra-high-density client environments.
   Total aggregate dual-band client Wi‑Fi PHY throughput reaches1.9 Gbps.
3. Dedicated Independent Dual-Band Third Radio: Separate fully isolated radio operating concurrently with the two Wi‑Fi client radios, continuously scanning both 2.4GHz and 5GHz frequency bands 24/7 for Air Marshal WIDS/WIPS threat detection and full-spectrum RF analytics without impacting client data throughput.
4. Integrated Bluetooth 4.0 Low‑Energy Radio: Always-on independent BLE radio for iBeacon deployment, BLE device scanning and location analytics presence tracking functionality.

Core Hardware Interfaces

1. Eth0 Primary Gigabit Uplink Port: 10/100/1000BASE‑T auto-sensing RJ45 port, IEEE 802.3af Class 3 / 802.3at PoE+ PD compliant (37–57V DC PoE input). This single primary port delivers all uplink data traffic and accepts PoE power supply for standard ceiling/wall mounted deployments; no secondary auxiliary Fast Ethernet port is equipped on MR42 hardwareCisco Mera....
2. DC Power Input Jack: 5.5 mm × 2.5 mm center-positive power connector for alternative local power supply deployments where PoE-capable switches or injectors are unavailable; matching 12V DC external power adapter sold separately and not bundled with standard AP packaging.
3. Control & Security Hardware Components: Recessed factory reset button (long press 5+ seconds fully erases local AP configuration), concealed internal cable routing bay, Torx anti-tamper security screw mounting holes, integrated Kensington physical anti-theft lock hardpoint on chassis side panel.
4. Multi-Color Front Status LED Array: Single front-mounted multi-color LED indicator for power supply state, Meraki cloud dashboard internet connectivity, wireless radio active operation and hardware fault alarm notifications.
5. No external RF antenna ports; all four radio arrays utilize factory-integrated non-detachable omnidirectional internal antennas optimized for uniform wide indoor coverage.

Supported Operation Modes

1. Cloud-Managed CAPWAP Gateway Access Point Mode (Default): Zero-touch Meraki cloud orchestration for all wireless client access, centralized RF tuning, enterprise security policy enforcement and automated background firmware upgrades.
2. Wireless Mesh Backhaul Node Mode: Self-configuring multi-hop wireless mesh routing to extend wireless coverage to remote building zones lacking physical Ethernet uplink cabling; automatic failover between wired primary uplink and wireless mesh gateway links upon wired network outage.

Power Supply Compatibility

1. Full-performance PoE operation: IEEE 802.3af Class 3 PoE PD input (basic functionality only) or IEEE 802.3at PoE+ PD input for full maximum radio performance. Maximum power draw under full four-radio load is 20W, fully compliant with 802.3at PoE+ standardsCisco Mera....
2. Local DC power alternative: Separate 12V DC external power adapter (sold separately, not bundled with standard AP packaging).
3. Typical full-load power consumption: Maximum 20 W under simultaneous active four-radio operation with Gigabit uplink port populated.

Physical & Environmental Specifications

• Dimensions: Compact low-profile square chassis optimized for ceiling flush mounting
• Unit Weight: 0.7 kg (1.54 lbs), lightweight white fire-resistant plastic chassis
• Mounting Options: Desktop placement with bundled anti-slip rubber feet, vertical wall mounting, flush drop ceiling T-bar grid mounting via complete included universal mounting bracket and full hardware kit; mounting cradle equipped with built-in bubble level for horizontal alignment.
• Operating Temperature Range: 0°C ~ +40°C indoor use only (not rated for outdoor deployment)
• Storage Temperature Range: -20°C ~ +70°C
• Operating Humidity: 5% – 95% non-condensing
• Storage Humidity: 5% – 90% non-condensing
• System Memory & Storage: Embedded Meraki custom cloud-managed operating system, dedicated four-radio wireless processing chipset, onboard flash storage for cloud firmware images and persistent local configuration cache
• Regulatory RF Certifications: Global multi-domain SKU supporting FCC Part 15 (North America), ETSI EN 300328 / EN 301893 (EMEA), TELEC Japan, KCC Korea domestic RF emission compliance, EMI Class B household electronic equipment certification
• Maximum Concurrent Client Capacity: Up to 75 connected wireless clients; recommended maximum 35–40 simultaneous active business users for stable low-latency throughput performance
• Warranty: Limited lifetime hardware warranty for original end-user purchasers
• EOL Status: End-of-Sale (July 21, 2021), End-of-Support (July 21, 2026), discontinued legacy Wave2 802.11ac access point, superseded by Meraki MR44 Wi‑Fi 6 AP for new high-density enterprise deployments

Key Specification Bullet Points

• Model: MR42-HW (Cisco Meraki Quad-Radio Wave2 802.11ac Cloud-Managed Indoor High-Density Enterprise Wireless Access Point with Dedicated 24/7 WIDS/WIPS RF Scanning Radio + Integrated BLE 4.0 Location Beacon/IoT Scanning Radio, Premium 3×3 MU-MIMO Dual-Band Client Radios)
• Wireless Standard: IEEE 802.11a/b/g/n/ac Wave2 concurrent dual-band client radios (2.4GHz + 5GHz), 3×3 UL/DL MU‑MIMO three spatial streams per radio; independent third dual-band Wi‑Fi scanning radio; integrated Bluetooth 4.0 LE IoT/location radio
• Max Combined Aggregate Client PHY Throughput: Up to 1.9 Gbps (600 Mbps 2.4GHz + 1300 Mbps 5GHz)
• Antennas: Non-detachable built-in omnidirectional internal PIFA antennas for all Wi‑Fi and BLE radios, optimized for wide indoor coverage
• Wired Ports: 1 × Gigabit 10/100/1000 BASE-T PoE uplink port (IEEE 802.3af/at PoE PD supported); no secondary auxiliary Fast Ethernet port
• Operation Modes: Cloud-managed CAPWAP AP gateway mode, self-healing multi-hop wireless mesh backhaul node mode
• Core Exclusive Cloud-Managed & Hardware Functions: Quad-radio architecture with premium 3×3 MU-MIMO three-spatial-stream client radios for ultra-high client density; dedicated independent third Wi‑Fi radio for round-the-clock Air Marshal WIDS/WIPS threat detection and continuous full-band RF spectrum analytics; integrated BLE 4.0 radio for location beacons and visitor presence analytics; Meraki cloud dashboard zero-touch provisioning; automatic cloud-driven RF optimization with 24/7 spectrum visibility; self-healing zero-configuration multi-hop wireless mesh networking; Layer7 DPI application-aware QoS traffic shaping & identity-based stateful Layer3-7 firewall; multi-SSID 802.1Q VLAN network segmentation; customizable branded captive portal guest access with wireless client isolation; full WPA2 enterprise wireless security suite
• QoS: WMM TSPEC wireless multimedia VoIP voice and HD video traffic prioritization with configurable application bandwidth rate limiting
• Network Stack: Native IPv4 stack; static IP address configurable on primary PoE uplink port
• Security: WEP/WPA/WPA2 PSK/Enterprise 802.1X EAP enterprise authentication, MAC address ACL filtering, dedicated third radio Air Marshal rogue AP detection & automatic containment, hidden SSID broadcast suppression, wireless client device isolation, Meraki Teleworker IPsec remote site VPN, identity-based Layer3-7 stateful policy firewall
• Management: Meraki cloud dashboard web graphical user interface, Meraki mobile monitoring smartphone/tablet application, SNMPv3 third-party network monitoring integration, centralized cloud event logging and customizable email/SMS fault alert notifications
• Power Options: IEEE 802.3af/at PoE input via primary uplink port or separate 12V DC local power adapter (sold separately, not included in standard packaging); 20W maximum full-load power consumption
• Physical Mount: Desktop placement with anti-slip rubber feet, vertical wall mounting, flush drop ceiling T-bar grid mounting with included universal mounting bracket, built-in bubble level for accurate installation
• Environmental Restriction: Indoor use only, operating temperature range 0°C~40°C
• Typical Deployment Scenarios: Ultra-high-density multi-room enterprise corporate office campuses, K-12 university large lecture halls and auditoriums, multi-floor hospital patient wings and medical facilities, large hotel convention floors and guest wings, retail chain large-format shopping mall concourses, campus-wide multi-zone HD voice/video unified communications wireless deployments
• Warranty: Limited lifetime hardware warranty for original end-user purchasers
• EOL Status: Discontinued end-of-sale legacy Wave2 802.11ac access point, fully unsupported as of July 21, 2026

Model Quick Reference

• MR42-HW: Base hardware SKU of Meraki MR42 quad-radio Wave2 802.11ac cloud-managed indoor high-density enterprise AP with dedicated WIDS/WIPS scanning radio, integrated BLE 4.0 beacon radio and premium 3×3 MU-MIMO dual-band client radios
• Platform Differentiation vs Mid-Tier MR33/MR36: MR33/MR36 adopt entry-level 2×2 MU-MIMO client radios with lower total throughput and lower concurrent client capacity; MR42 upgrades to high-end 3×3 three-spatial-stream MU-MIMO architecture delivering higher aggregate 1.9Gbps throughput and support for far denser concurrent client loads in auditorium/mall environments
• Platform Distinction vs Standalone Small Business WAP Series APs (WAP121/WAP321/WAP581/WAP712): Meraki MR42 operates exclusively under Meraki cloud centralized management with zero-touch provisioning, automated cloud RF optimization, native self-healing wireless mesh networking, dedicated third-radio enterprise wireless intrusion prevention and integrated BLE presence analytics; Cisco Small Business WAP series are standalone autonomous APs without cloud controller dependency or Meraki exclusive multi-radio security and BLE location analytics features
• Upgraded Alternatives: Meraki MR44 Wi‑Fi 6 dual-band cloud-managed AP (direct mainstream replacement for EOL MR42 hardware), Meraki MR56 Wi‑Fi 6E tri-band enterprise AP for next-generation ultra-high-density campus/convention center deployments