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Wireless Reviews

Wireless-N Access Point with PoE
At a glance
ProductCisco WAP121 Wireless-N Access Point with PoE   [Website]
SummaryBroadcom-based single-band 802.11bgn access point with Enterprise feature set and 802.3af PoE.
Pros• Extensive feature set
• HTTP/S, Telnet, SSH admin
• Lots o' QoS options
• IPv6
Cons• Web admin requires a lot of scrolling
• WPS doesn't work properly

Typical Price: $49  Shop Amazon


If you liked what you saw in Cisco's WAP321 [reviewed] small-biz access point, but want a less-expensive, single-band alternative and don't mind giving up a few features, then the WAP121 is for you. Since I covered the feature set in detail in the WAP321 review, we're going to take a quick look at the hardware and feature differences and move right on to performance.

Figure 1 shows the simple back panel, which has a 10/100 Ethernet port vs. the 10/100/1000 port on the WAP321. Both, however, support 802.3af PoE and have three bi-colored lights on the top of the WAP—power, WLAN and LAN—that flash and change color to indicate status.

WAP121 rear view with callouts
Figure 1: WAP321 rear view with callouts

Folks without access to PoE switches will appreciate that the WAP121 comes with the 12V wall-wart power adapter that the WAP321 lacked.

Figure 2 is a quick photo I snapped comparing the sizes of the WAP121 and 321. The 121's footprint is about the size of a CD jewel case.

WAP121 and WAP321 size comparison
Figure 2: WAP121 and WAP321 size comparison

The 121 comes with a mounting plate similar to, but smaller than the one supplied with the WAP321. However, it has the same weaknesses of the WAP321's plate, i.e. no way to lock the AP to it either via mates to the Kensington locking slots on the AP's front and rear or another mechanism.

The plate's rear shroud covers the ports and power switch and has a knockout for cable routing and a hole for reset switch access.


The FCC photos weren't clear enough for me to identify all the components. So after testing I opened up my sample for a look and found a view similar to the FCC photo in Figure 3.

WAP121 inside

Figure 3: WAP121 inside

Table 1 summarizes the key components, which show another Broadcom based design. The FCC ID prefix indicates that the WAP121 is manufactured by Sercomm, the same Taiwanese OEM that makes the WAP321.

  WAP121 WAP321
CPU Broadcom BCM5358 2 stream 2.4 GHz
802.11n router SoC w/ VoIP support
Broadcom BCM4748 Intensi-fi XLR
2 x 2 IEEE 802.11n 2.4 GHz + 5 GHz SoC
RAM 64 MB 64 MB
Flash 16 MB 16 MB
Ethernet in BCM5358 Broadcom BCM54612E
Radio in BCM5358 - BB / MAC / RF In BCM4748
- SiGe 2547A Dual Band 802.11a/b/g/n
Wireless LAN Front End (2X)
Table 1: Component summary

The antennas are both 2 dBi metal PIFA (Planar Inverted F Antenna) patch type.

Figure 4 shows an unobstructed although somewhat fuzzy view of the board with the heatsink removed from the Broadcom BCM5358 SoC that does most of the heavy lifting in the AP. Note that there are no external RF power amplifiers or front ends up near the top center of the board.

WAP121 board

Figure 4: WAP121 board

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