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Wi-Fi Router Charts

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Mesh System Charts

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The Technologies - Other

The last two technologies represented in this round-up include yet a different twist on MIMO and a strictly non-MIMO approach to range improvement. RaLink's RT2600 chipset is used in the Airlink101 router and client card and Figure 12 captures the details of the mini-PCI board used in the router, and Figure 13 shows the naked CardBus client.

Airlink101 AR525W router mini-PCI radio

Figure 12: Airlink101 AR525W router mini-PCI radio
(Click image to enlarge)

It's a bit hard to see the pads to connect to three antennas at the top right of Figure 12, but they're there. The RT2600 chipset supports a flavor of MIMO using one transmit channel and two receivers, that can operate with either three (as in the router) or two (as in the client) antennas.

AirLink AWLC5025 card

Figure 13: AirLink AWLC5025 card
(Click image to enlarge)

The last technology represented by Buffalo Technology's Turbo G High Power products doesn't use MIMO at all. Instead it relies on a combination of Broadcom's BroadRange range-extension, 125 High Speed Mode (formerly "SpeedBooster") and a beefier transmit amp to get your signal where it's goin'.

Buffalo Hi Power router

Figure 14: Buffalo Hi Power router
(Click image to enlarge)

You can see the BCM5352E AirForce 802.11g Router System-on-Chip with BroadRange Technology used in the Buffalo router in Figure 14, while the CardBus client board pictured in Figure 15 relies on a BCM4318E single-chip transceiver to implement its end of the BroadRange pairing.

Buffalo Hi Power card

Figure 15: Buffalo Hi Power card
(Click image to enlarge)

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