Product no.: 3503

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Datasheets and Manuals (Contact Us)

Part Number: MR42
Model: MR42

802.11ac Wave 2 with Dedicated Security & Bluetooth Beacons

Cloud management, 802.11ac performance, and a dedicated security radio



Ideal use cases

Performance-critical wireless LANs
High-density environments

Hardware features

3 radios: 2.4 and 5 GHz, dual-band WIDS/WIPS
3-stream 802.11ac Wave 2 and 802.11n, up to 1.9 Gbps
Gigabit Ethernet port
PoE: Full functionality under 802.3at (compatible with 802.3af)
AC adapter available

Cloud management

Network-wide visibility and control
Self-provisioning for rapid deployment
Automatic reporting
Seamless firmware updates

Enterprise security

802.1X and native Active Directory integration
Air Marshal: real-time WIPS with forensics
Stateful Layer 3-7 firewall
Identity-based group policies
Built-in antivirus scan (NAC)

Guest access

1-click secure guest access
Guest isolation firewall
Customizable splash pages
Integrated Facebook login

RF optimization

Dual-concurrent radios with MU-MIMO support
Radios optimized for rate-vs-range performance
Third radio dedicated to security and RF management
Built-in real-time RF spectrum view
Cloud-based automatic RF optimization

Layer 7 traffic shaping

Classifies hundreds of applications
Create per-application bandwidth limits
Prioritize productivity apps
Restrict or block recreational traffic

Presence location analytics

Measure visitor capture rate, visit length, and repeat visit rate
Measure visitor trends over time and compare performance across locations

Device management

Create device-specific firewall rules
Monitor and track device inventory
Deploy applications and enforce security settings











2.4 GHz 802.11b/g/n client access radio


Operating temperature: 32 °F to 104 °F (0 °C to 40 °C)

5 GHz 802.11a/n/ac client access radio


Humidity: 5 to 95% non-condensing

2.4 & 5 GHz dual-band WIDS/WIPS, spectrum analysis, & location analytics radio


2.4 GHz Bluetooth radio with Bluetooth Low Energy (BLE) and Beacon support


Physical Dimensions


Concurrent operation of all four radios


10.0” x 6.1” x 1.5” (253.4 mm x 155.8 mm x 37.1 mm), not including deskmount feet or mount plate

Max aggregate frame rate 1.9 Gbit/s


Weight: 25 oz (0.7kg)

Supported frequency bands (country-specific restrictions apply):


*2.412-2.484 GHz




*5.150-5.250 GHz (UNII-1)


Integrated Layer 7 firewall with mobile device policy management

*5.250-5.350 GHz (UNII-2)


Real-time WIDS/WIPS with alerting and automatic rogue AP containment with Air Marshal

*5.470-5.600, 5.660-5.725 (UNII-2e)


Flexible guest access with device isolation

*5.725-5.825 GHz (UNII-3)


VLAN tagging (802.1q) and tunneling with IPsec VPN


PCI compliance reporting



WEP, WPA, WPA2-PSK, WPA2-Enterprise with 802.1X

Integrated omni-directional antennas (5 dBi gain at 2.4 GHz, 5.5 dBi gain at 5 GHz)



Individual antenna elements for each radio


TKIP and AES encryption


Enterprise Mobility Management (EMM) & Mobile Device Management (MDM) integration

802.11ac Wave 2 & 802.11n Capabilities


3x3 multiple input, multiple output (MIMO) with three spatial streams


Quality of Service


SU-MIMO and MU-MIMO support


Advanced Power Save (U-APSD)

Maximal ratio combining (MRC) & beamforming


WMM Access Categories with DSCP and 802.1p support

20 & 40 MHz channels (802.11n)


Layer 7 application traffic identification and shaping

20, 40, & 80 MHz channels (802.11ac)


Up to 256-QAM on both 2.4 & 5 GHz




Packet aggregation


PMK and OKC credential support for fast Layer 2 roaming


Distributed or centralized layer 3 roaming



Power over Ethernet: 37 - 57 V (802.3af compatible, with functionality-restricted 802.3af mode supported)




Alternative 12V DC input


Embedded location analytics reporting and device tracking

Power consumption: 20 W max (802.3at)


Global L7 traffic analytics reporting per network, per device, & per application

Power over Ethernet injector and DC adapter sold separately




LED Indicators


Lifetime hardware warranty with advanced replacement included

Multi-color & multi-function status indicator


Ordering Information





1 × 10/100/1000Base-T Ethernet (RJ45)


Meraki MR42 Cloud Managed 802.11ac AP

1 × DC power connector (5.5mm x 2.5mm, center positive)




Meraki AC Adapter for MR Series (XX = US, EU, UK, or AU)




All standard mounting hardware included


Cisco Meraki 802.3at PoE Injector (XX = US, EU, UK, or AU)

Desktop, ceiling, and wall mount capable


Ceiling tile rail (9/16, 15/16 or 1 ½" flush or recessed rails)


Assorted cable junction boxes


Note: Meraki access point license required

Bubble level on mounting cradle for accurate horizontal wall mounting


Physical Security


Security screw included


Kensington lock hard point


Anti-tamper cable bay


Concealed mount plate



MR42 Datasheet

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