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Hewlett Packard iPAQ h4155 Pocket PC

Item # IPAQ4155 (Part # FA175A)
Fast Free Shipping & 45-Day Returns
Discontinued Brand new, USA Warranty





The sleek, less-than-5-oz. HP iPAQ h4155 Pocket PC offers optimized performance that will keep you productive, both while you're on the move and when you've reached your destinations. Integrated WLAN 802.11b, Bluetooth and a Secure Digital (SDIO) slot round out this model's powerful features.  


Basic Warranty: One year limited warranty 



Integrated wireless

  • Integrated WLAN 802.11b
  • Bluetooth?
  • IrDA  

Operating system

  • Powered by Microsoft? Windows? Mobile 2003 Premium software for Pocket PC
  • Pocket versions of Microsoft software are included (Outlook, Word, Excel and Internet Explorer for Pocket PC)


  • 400MHz Intel XScale technology-based processor


  • 3.5" transflective TFT display with 64K colors  


  • 64MB SDRAM, 32MB Flash ROM Memory (55MB user accessible)
  • Up to 2.8MB iPAQ File Store


  •  4.47 in x 2.78 in x 0.5 in (113.6 mm x 70.6 mm x 13.5 mm)


  • 4.67 oz (132 g)

Notification system



  • Solid amber LED (right) - battery in unit fully charged
  • Flashing amber LED (right) - battery in unit is charging
  • Flashing green LED (right) - event alarm/notification
  • Flashing green LED (left) - WLAN active
  • Flashing blue LED (left) - Bluetooth? active
  • Notification: Sound and message on the display


  • Battery: Removable/Rechargeable 1000 mAh Lithium-lon user swappable battery (optional extended 1800 mAh Lithium-lon battery available for purchase)**
  • AC Input: 100~240 VAC, 50/60Hz
  • AC Input Current: 0.2 Aac max
  • Output Voltage: 5Vdc (typical)
  • Output Current: 2A (typical)


  • Integrated SD slot - Supports SD/MMC type standard, SDIO ready***


  • Microphone, speaker, one 3.5 mm headphone jack, MP3 stereo (through audio jack)


HP exclusive applications

  • Bluetooth Manager
  • iPAQ File Store: non-volatile storage in Flash ROM (not available in Japanese, Simplified Chinese, Traditional Chinese and Korean versions)
  • iPAQ Backup: utility for Backup/Restore to Main Memory, Memory Card or iPAQ File Store
  • iPAQ iTask Manager: access and launch programs easily
  • iPAQ Image Zone: view images and create slide shows
  • Utilities: Self Test, iPAQ Audio, Power Status

Ergonomic design features

  • Instant on/off and Backlight Power button, 5-Way Navigation button, Touch-sensitive display for stylus, 4 programmable application launch buttons (Calendar, Contacts, Inbox, iTask)
  • Built-in speaker and microphone, Record button



A standard WLAN infrastructure, other Bluetooth-enabled devices, and a service contract with a wireless airtime provider may be required for applicable wireless communication. Wireless Internet use requires a separately purchased service contract. Check with service provider for availability and coverage in your area. Not all Web content available.

**  Battery run time varies based on the usage pattern of an individual user and the configuration of the handheld. Use of some internal wireless capabilities and backlight will significantly decrease battery run time.

***  Wireless cards and options are available at additional costs.


Brands and product names herein are trademarks or registered trademarks of their respective holders.

2003 Hewlett-Packard Company

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