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