• HP released the iPAQ hw6515 PDA/phone crossover in 2005 as a replacement for its 6300-series QWERTY phone. The iPAQ hw6515 runs on the Microsoft Windows Mobile 2003 Second Edition operating system, and contains many features that make it comparable to competing phones and PDAs from the same time period.
  
  

Network

• The iPAQ hw6515 uses the GSM global network. This phone uses SIM card technology; when unlocked, it can make phone calls over networks around the world. The iPAQ hw6515 supports the GSM frequencies 850, 900, 1800 and 1900 MHz.
  
  

Multimedia

• The iPAQ hw6515 contains a 1.3 megapixel camera with an LED lamp that takes pictures in JPEG and 3GP formats at resolutions of up to 1280 by 1024 pixels. The phone supports the MP3 format for audio playback, and runs Windows Media Player 10. The hw6515 can also play videos.
  
  

Storage

• This phone includes 55MB of available memory. The miniSD and regular SDIO slots allow you to expand the hw6515's storage space by adding a memory card.
  
  

Screen

• This has a 240 by 240-pixel touchscreen with a dot pitch of 0.24 mm. The iPAQ hw6515 uses a transflective TFT QVGA display which includes an LED backlight. The screen displays 16-bit, 64K color.
  
  

Physical Dimensions

• The iPAQ hw6515 is 2.8 inches wide by 0.8 inches deep by 4.6 inches high and weighs 5.8 ounces. The screen size is 3 inches.
  
  

Interfaces and Connectivity

• The iPAQ hw6515 supports Bluetooth technology. This phone can connect through USB, as well as through a serial RS232 port.
  
  

Battery

• A removable and rechargeable 1200 mAh lithium-ion battery is included with the iPAQ hw6515. The battery provides a talk time of up to four hours and a standby time of up to seven days. Purchasing the optional 1800 mAh lithium-ion battery extends the phone's battery life even more.