Cisco Meraki MR16

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multiple revisions of this device, use caution
abgn (AN600)
Meraki MR16 Cloud Managed AP (MR16-HW)
Cisco Meraki MR16-HW
Board ID
access point
CPU1 Type
CPU1 Speed
680 MHz 32-bit
Flash1 Chip
Macronix MX25L12845EMI-10G
Flash1 Size
16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Size
64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />
RAM1 Chip
EtronTech EM6AA160TSB-5G
ETH chip1
ETH chip2
Atheros AR8021
Ethernet Port Count

802dot11 OUI: 00:18:0A (8 E, 6 W), 00:03:7F (2 E, 10 W)
Ethernet OUI: 00:18:0A (8 E, 6 W), 00:03:7F (2 E, 10 W)

Expansion IF types
none specified
802.3at, 802.3af, standard
12 VDC, 1.5 A
Connector type
Serial Port (UART)
yes, 4-pin header, populated, 3.3V TTL, (115200 8N1), JP1

Additional chips
802.3at PoE Interface and DC/DC Controller;TI;TPS23754;;1;
2.4GHz Power Amplifier IC;Microchip;SST12LP15B;;2;
4.9 to 5.9GHz Power Amplifier IC;Microsemi;LX5530;;2;
1.5/2.5A Dual Synchronous Step-Down Converter;TI;TPS54291;;2;
1-Channel Photocoupler;LiteOn;LTV-817;;1;
150V N-Channel MOSFET;Vishay Siliconix;Si4848DY;;1;
400V 30A Single-Phase Bridge Rectifier;Vishay Silicon;B4S;;2;

FCC approval date 15 November 2010
ASIN B01M8K3VO1 Flag of the United States.svg
Country of manuf Taiwan
Radio 1
Wireless interface OUI
00:18:0A, 00:03:7F
Antenna Connector Type
MIMO status
Wireless Standard
IEEE 802.11a/n
up to 300 Mbps
up to 54 Mbps
WiFi Operating Frequency
5 GHz
Radio 2
Atheros AR9223
Wireless interface OUI
00:18:0A, 00:03:7F
Antenna Connector Type
MIMO status
Wireless Standard
IEEE 802.11b/g/n
up to 300 Mbps
up to 54 Mbps
up to 11 Mbps
WiFi Operating Frequency
2.4 GHz
 CPU1 brandRadio1 chip1 brandRadio2 chip1 brand
Cisco Meraki MR12AtherosAtheros
Cisco Meraki MR16AtherosAtherosAtheros
Cisco Meraki MR18Qualcomm AtherosQualcomm AtherosAtheros
Cisco Meraki MR24Applied MicroAtherosAtheros
Cisco Meraki MR26BroadcomBroadcomBroadcom
Cisco Meraki MR32BroadcomBroadcomBroadcom
Cisco Meraki MR34FreescaleBroadcomBroadcom
Cisco Meraki MR45QualcommQualcommQualcomm
Cisco Meraki MR55QualcommQualcommQualcomm
Cisco Meraki MS120-8Marvell
Cisco Meraki MX64WBroadcomBroadcomBroadcom

For a list of all currently documented Atheros (QCA) chipsets with specifications, see Atheros.

For a list of all currently documented Cisco device with specifications, see Cisco.

300 Mbps - 2SS 5GHz 802.11n (40MHz chan.),
300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = AN600 class


This device has one Gigabit Ethernet port with PoE capability.

Default settings are per the FCC manual.

Links of Interest

CPU: Atheros AR7161 @680MHz
Wireless: Atheros AR9223 2T2R 802.11bgn
Wireless: Atheros AR9220 2T2R 802.11an
Ethernet ports: Atheros AR8021-BL1E 1x GbE


User Images


  • Notes about RF chains, from a quick conversation, 2020-07-20
    • Yeah, I took a multimeter and looked for contact points [to poke around at the RF chains on the board and see what's attached to what by default.]
    • There are plenty of via's for electrically connecting certain parts of the folded antennas with the input and output chains of each chip
    • each chip has 4 chains -- 2 in, 2 out
    • those 4 chains get multiplexed into [many outputs].
    • there are two PIF antennas on the board for each radio for early testing (the 5GHz ones are hidden in the top and bottom corners of the [rightmost partition of the] the radio shield [where the 5GHz AR9220 lives], the 2.4GHz radio has one antenna peeking out near the top [left] and the other is near the bottom hidden beneath the [leftmost partition of the] shield)
    • there's a pad near the radio chip to electrically attach it to the PIF antennas, but they are not connected
    • I was able to trace the center (hot) contact of each of each UFL antenna back to both radio chips
    • so they are hard-wired to the radios. In addition, thankfully I was able to verify that they don't connect to the antennas in any other way. They were planning to and in fact you could remove the U.FLs if you wanted to and just solder on some zero-ohm resistors
    • basically most of the resistors and capacitors under and around the radio chips are for antenna development, and most are not needed
    • there are plenty of blank solder pads -- copper spots -- and some solder pads that have copper. All of those are 'switches' that you can add 0-ohm resistors to to active different antennas onboard but right now the chains end in U.FLs
    • One way to improve radio performance [by giving the 2.4 and 5GHz chains different physical fronends] would be to use a handful of 0-Ohm resistors and 4 U.FL headers and reroute the radios separately to separate antennas. There are pads for 2.4 and 5GHz U.FL pads but no headers for them.
    • back in Mar 2018 or 2019 I remember [Tomesh] did a thing where you tested long-range Merakis with that 5GHz directional anntenna [the Librerouter prototype antenna]. You attached it I think to the U.FL headers. that worked OK right? [a 100M test was done under OpenWrt, 5GHz 11n HT40, resulting in ~100Mbps transmission rates]
    • .... but I was worrying that like certain types of TP-LINK routers whether there was an electronic multiplexer for turning on / off the radio amplifier chains
    • turns out there's not. it's all soldered on [in the MR16].