Depending on the full specs, this Samsung handset could bring about a low-cost 4G smartphone.

Sprint's Galaxy S lineup is set to grow by at least one more handset now that a new Samsung phone has appeared in FCC documents.

Already, we know a few details for the SPH-D600. It promises a 320x480 HVGA display, a 3.1-megapixel camera (or higher), and WiMax capability. According to Pocketnow.com, this unnamed handset features a sliding QWERTY keyboard and will get its power from a 1GHz Qualcomm processor. Other tidbits include requisite Android support for Wi-Fi (802.11 b/g/n)' Bluetooth 3.0 and presumably, GPS' and (judging by the picture at least) a front-facing camera.

You'd be correct if you think this sounds an awful lot like the Epic 4G, also released by Sprint. That handset carries a very similar model number of SPH-D700 and featured somewhat beefier hardware. It's possible that Sammy's new device will help bring about a lower price point for 4G Android smartphones. And given that Sprint's current options start at $149 (Evo Shift 4G), this could potentially slide in with the magic sub-$100 sticker.