One of those is the RAVPower FileHub, one of the best wireless SD card readers, and right now you can get on Amazon for $39.99 (Reg. $59.99) with our code ...

The Airstash looks much like a regular card reader, with a USB plug on one end and an SD card-shaped hole in the other. In between you can find a tiny, battery powered 802.11 b/g Wi-Fi router.

The card reader has an Atheros AR9331 processor, 64MB of RAM, 16MB of SPI flash storage, and a card reader, so it’s not exactly going to be the most powerful router available. But it could be ...