This is the new “Slim Generation “line-up from Samsung. ALL these phones are compatible with the US and EU phone networks, the SGH-Z510 and SGH-Z540 are 3G W-CDMA phones while the SGH-D800, SGH-D820 and the Slim Card type SGH-P300 are GSM/GPRS.

SGH-Z510 Specifications
Standard
UMTS 2.1 GHz / GSM / GPRS (900 / 1800 / 1900MHz)
Camera
1.3 Megapixel Camera
Display
2.2” QVGA 262K Color TFT / 1.3” 96×96 65K Color TFT
Features
Video Recording & Messaging (MPEG4 / H.263)
Video Telephony & Streaming
MP3/ AAC / AAC++ / WMA
Bluetooth / USB
Document Viewer / BT printing
Memory
138MB embedded
Size
97 x 52 x 14.9 mm
Weight
98 g

SGH-Z540 Specifications
Standard
UMTS 2.1 GHz / GSM / GPRS (900 / 1800 / 1900MHz)
Camera
1.3 Megapixel Camera
Display
2.3” 240×320 262K Color TFT, 1.07” 128×128 65K Color TFT
Features
Video Recording & Messaging (MPEG4 / H.263 / Real)
Video Telephony & Streaming
MP3/ AAC / AAC+ / WMA / Real
Dual Speaker
Bluetooth / USB
Document Viewer
Memory
150MB embedded
Size
99 x 50.5 x 14.9 mm
Weight
95 g

SGH-D800 Specifications
Standard
GSM / GPRS / EDGE (900 / 1800 / 1900MHz)
Camera
1.3 Megapixel Camera
Display
2.12” 240×320 262K Color TFT LCD
Features
Video Recording and Messaging (MPEG4/H.263)
MP3 / AAC / AAC+ / e-AAC+ / WMA
Document Viewer
Bluetooth / PictBridge / Voice Recognition
Memory
80MB embedded
Size
97 x 52 x 14.9 mm
Weight
98 g

SGH-D820 Specifications
Standard
GSM / GPRS / EDGE (850 / 900 / 1800/1900MHz)
Camera
1.3 Megapixel Camera
Display
2.12” 240×320 262K Color TFT LCD
Features
Video Recording & Messaging (MPEG4, H.263)
MP3 / AAC /ACC+
Dual Stereo Speaker / Voice Recognition
Bluetooth / USB / SynML / PictBridge
Document Viewer / TV-out
Memory
73MB Embedded / External: MicroSD
Size
99 x 51 x 15.2 mm
Weight
103 g

SGH-P300 Specifications
Standard
GSM / GPRS (900 / 1800/ 1900MHz)
Camera
1.3 Megapixel Camera
Display
1.8” 176×220 262K Color TFT LCD
Features
Video Recording and Messaging (MPEG4, H.263)
MP3 / AAC / AAC+/ e-AAC+
Speakerphone
Bluetooth / USB / SyncML DS
Size
86 x 54 x 8.9 mm
Weight
65 g