aha, some specifications of the 7150 (and a useful reference site):
http://pdadb.net/index.php?m=specs&id=721Release Date: April, 2007
Dimensions: 74 x 115 x 18 millimetres
Mass: 120 grams (battery included)
Software Environment
Operating System: Windows Mobile 6 Professional
Microprocessor
CPU: 32bit Intel XScale PXA270
CPU Clock: 520 MHz
Memory, Storage capacity
ROM capacity: 256 MB
RAM capacity: 128 MB
Hard Disk capacity: Not supported
Display
Display Type: color transflective TFT , 262144 scales
Display Resolution: 640 x 480
Display Diagonal: 3.8 "
Secondary Display Type: color OLED , 1 scales
Secondary Display Resolution: 128 x 128
Secondary Display Diagonal: 2.2 "
Sound
Microphone: mono
Speaker: mono
Audio Output: Proprietary jack
Cellular Phone
Cellular Networks: GSM 850MHz, GSM 900MHz, GSM 1800MHz, GSM 1900MHz, UMTS 850MHz, UMTS 1900MHz, UMTS 2100MHz
Cellular Data Standards: CSD, GPRS, EDGE, UMTS, HSDPA
Call Alert: 64 -chord melody
Vibrating Alert: Supported
Control Peripherals
Positioning Device: Touchscreen
Keyboard: Built-in QWERTY-type keyboard, 62 keys
Directional Pad: 5 -way block
Jog / Scroll Wheel: Pressable rotary scroll wheel
Interfaces
Expansion Slots: SDIO, microSD, TransFlash
Serial: RS-232 , 115200bit/s
USB: USB 2.0 client, 60Mbit/s , USB Series Mini-B (mini-USB) connector
Infrared Gate: 115200bit/s (SIR/CIR)
Bluetooth: Bluetooth 2.0
Wireless LAN: 802.11b, 802.11e, 802.11i, 802.11g
Multimedia Telecommunication
Analog TV: Not supported
Analog Radio: FM radio reciever
Built-in Digital Camera
Main Camera: CMOS sensor, 1.9MP
Built-in Flash: Mobile light (LED)
Secondary Camera: CMOS sensor, 640x480 pixel
Power Supply
Battery: Lithium-ion , removable
Battery Capacity: 1400 mAh