Technical Specifications 

Physical

• Size: 21.5 cm × 9.9 cm × 7.7 cm (8.5 in × 3.9 in × 3.0 in)
• Weight: 0.78 kg (1.76 lb) with battery
• Memory: 64 MB RAM and 512 MB internal Flash disk
• Power
  • Low (no GPS or backlight): 1.5 Watts
  • Normal (with GPS and backlight): 2.3 Watts
  • High (with GPS, backlight, Bluetooth, and wireless LAN): 3.2 Watts
• Battery: Internal 6800 mAh lithium-ion, rechargeable in unit 25 Watt-hours

Environmental

• Temperature
  • Operating: –10 ºC to +50 ºC (14 ºF to 122 ºF)
  • Storage: –20 ºC to +70 ºC (–4 ºF to 158 ºF)
• Casing: Wind-driven rain and dust-resistant per IP 54 standard, slip-resistant grip, shock and vibration resistant

Input/output

• Communications: Bluetooth, 802.11b wireless LAN USB client v1.1 compliant via support module, serial via optional DE9 serial clip adaptor, ethernet 10/100 BaseT compatible via support module
• Bluetooth Profiles
  • Client and host support: Serial Port, Object Push
  • Client support only: Dial-Up Networking
  • Host support only: File Transfer (using OBEX
• Display: Advanced outdoor TFT, 240 × 320 pixel; 65,536 colors, with backlight
• Audio: Microphone and speaker, record and playback utilities
• Interface: Touch screen, Soft Input Panel (SIP) virtual keyboard, 11 hardware control keys, handwriting recognition software, audio system events, warnings, and notifications

GPS

• Channels: 12 (L1 code and carrier/L2 carrier)
• Integrated real-time: SBAS
• Update rate: 1 Hz
• Time to first fix: 30 seconds (typical)
• Protocols: TSIP, NMEA (GGA, VTG, GLL, GSA, ZDA, GSV, RMC)

Accuracy (HRMS) after differential Correction

• H-Star postprocessed
  • With internal antenna: 30 cm
  • With optional Zephyr antenna: 20 cm
• Code postprocessed: Submeter
• Carrier postprocessed
  • With 20 minutes tracking satellites: 10 cm
  • With 45 minutes tracking satellites: 1 cm
• Real-time (SBAS or external RTCM source): Submeter