Opening the WZR's case reveals a clean, simple design, based on a Broadcom BCM4704 processor, which is a suped-up version of the BCM4702 used in earlier Buffalo products. The dual-dipole antennas are on a board seen on the left hand side of Figure 2, which puts them at the top of the case when the product is normally positioned on a desk or shelf.

Figure 2: Case open
(click image for larger view)

Figure 3 shows the same side of the board, but with the antenna and main boards removed from the case. The pad pattern in the empty space to the left of the processor looks to me like it's set up for a second mini-PCI connector, so it appears that the board could also be used in a dual-radio product.

Figure 3: Board - Processor side
(click image for larger view)

Figure 4 reveals the hiding spot for the Broadcom-based Buffalo WLI-MPCI-G54 mini-PCI radio, which has been used in other Buffalo designs and is essentially a copy of the Broadcom reference design. You can also see the

Figure 4: Board - Radio side
(click image for larger view)

Rounding out the design are 64 MBytes of RAM, 8 MBytes of Flash and an

• 2 – Internal Details
  

  1. 1 – Introduction & Basic Features
  2. 2 – Internal Details
  3. 3 – Routing Features
  4. 4 – VPN Features
  5. 5 – VPN Features, Cotinued
  6. 6 – VPN Features - LAN to LAN PPTP
  7. 7 – VPN Performance
  8. 8 – Routing Performance
  9. 9 – Wireless Features
  10. 10 – Wireless Performance
  11. 11 – More fun with Frame Bursting
  12. 12 – Wrap Up
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