Juno 3B

Technical Spesification : 

• Size : 138 mm x 79 mm x 31 mm (5.43 in x 3.11 in x 1.22 in)
• Weight : 0.31 kg (0.69 lb) with battery
• Processor : 800 MHz Samsung processor
• Memory : 256 MB RAM and 2 GB built-in storage
• Battery : 3060 mAh lithium-ion, rechargeable in unit
• Low (no GPS, backlight on⁴) : 14 hours
• Normal (with GPS and backlight on) : 10 hours

Temperature : 

• Operating : -20 °C to +60 °C (-4 °F to 140 °F)
• Storage : -40 °C to +70 °C (-40 °F to 158 °F)
• Humidity limit : 95% RH, non-condensing
• Tumble : 100 cycles (200 drops) x 50 cm (1.64 ft), 10 cycles/minute
• Casing : IP54

Input & Output : 

• Expansion : microSD Card slot (microSDHC compatible)
• Display : 8.9 cm (3.5 in) QVGA (240 x 320 pixel) resistive, sunlight readable, LED backlight
• Audio : Built-in microphone and speaker, record and playback utilities
• I/O : USB client v2.0 compliant
• Radios : Bluetooth 2.0⁵ Wi-Fi 802.11b/g rated HSPA
• Digital Camera : 5 megapixel color camera with autofocus JPEG photo format, WMV video format

GPS : 

• Channels : 12 (L1 code only)
• Integrated real-time : SBAS¹
• Update rate : 1Hz
• Time to first fix : 30 seconds (typical)
• Protocols : SiRF, NMEA-0183
• Accuracy (HRMS)⁷ after differential correction
• Code postprocessed⁸ : 1-3 m
• Real-time (SBAS¹) : 2-5 m