Cisco WAP551

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Cisco WAP551 AK9

Manuf (OEM/ODM): Delta Networks

FCC approval date: 13 December 2012
UPC: 882658485817 (UPC DB, On eBay)
Country of manuf.: China

Amazon image

B00D9Y4MJE (Flag of the United States.svg, On Amazon, On CCC)

Type: access point

IC ID: 3970A-WAP551

Power: ? VDC, ? A
Connector type: Ethernet (PoE)
PoE tag: 802.3af, standard

CPU1: Cavium CN3420 (600 MHz, 2 cores)
FLA1: 32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br /> (Brand? Model?)
RAM1: 128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (Nanya NT5TU32M16DG-AC × 2)

Expansion IFs: Mini PCIe
Mini PCIe slots: 1

WI1 module: unknown
WI1 module IF: Mini PCIe
WI1 chip1: Broadcom BCM43431
WI1 802dot11 protocols: abgn
WI1 MIMO config: 3x3:3
WI1 antenna connector: U.FL

ETH chip1: Cavium CN3420
ETH chip2: Broadcom Model?
LAN speed: 1G
LAN ports: 1


Additional chips
DualBand 802.11abgn Wireless LAN Front End;Skyworks;SiGe SE2594L;SiGe, SE2594L, 139DX;3;

Default IP address:
the IP is used by 18 additional devices
of which 7 are Cisco devices
Default login user: cisco
Default login password: cisco
cisco:cisco credentials used by 13 additional devices
of which 13 are Cisco devices

802dot11 OUI: none specified

Cisco WAP561PD5-WAP561

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.
For a list of all currently documented Cavium (Star) SoC's with specifications, see Cavium.

Single-Radio 450Mbps 802.11n Access Point with PoE

Product page

Cisco WAP551: Selectable radio band (2.4 or 5 GHz)
Cisco WAP561: Dual concurrent radios (2.4 and 5 GHz)
Single radio (WAP551) or dual radio (WAP561) OFDM

This device is essentially identical to the Cisco WAP561 - it is only missing the second radio module (and the Mini PCIe slot to accommodate it).

  • The Cisco logo is silkscreened on the top of the board in the FCC photos.
"2976375903" is silkscreened on the bottom.
"2976387400" is silkscreened on the wireless module.
  • The wireless module is using three Skyworks (SiGe) SE2594L / 2594L Dual-Band WLAN FEMs.
The wireless module would appear to be using BCM43431... or something else other than BCM4331 with one extra character and the same specs..

The PoE injector used in the FCC filing is a PowerDsine PD-9001G/AC - an 802.3at midspan.

On Newegg