• Built-in 10pin socket for Nikon 10pin remote shutter release.
• Built-in data logger - 8MB flash memory for up to 260,096 data points
• Data can be password protected
• Last Fixed Repeat: Repeat the last fixed when lost or no GPS signal. It continual report the last good fixed position to camera in any indoor without GPS coverage.
• Instant Last Fixed Repeat: The di-GPS Pro L read the last good fixed data in the data logger after each power on. It continual report the last good fixed position even after power reset (data logger enabled). No more reacquisition needed after power reset or reconnected to the cameras. 
• Moisture and dust sealing.
• Three ways switch (On/Auto/Off).
• Ultra low power consumption, new SiRF Low Power Single Chip (36mA typical).
• Very compact size 54mm x 37mm x 17mm.
• Mounted on the flash accessory shoe or attached to the camera strap.
• 20-Channel GPS Receiver for fast acquisition and reacquisition.
• 200,000 effective correlators for fast TTFF (Time To First Fix) and Extremely fast TTFF at low signal levels.
• Very high sensitivity (Tracking Sensitivity: -159 dBm), provide superior positing information in environments, through urban canyons, and under dense foliage.
• Built-in WAAS Demodulator.
• NMEA 0183 data protocol.
• Built-in Super Capacitor  to reserve system data for rapid satellite acquisition.
• Built-in patch antenna, no external antenna required.
• Direct connect to Nikon DSLR without MC-35.
• No Setup Required.
• Support Nikon D3*, D3S*, D3X*, D300*, D300S*, D700*, D2XS, D2X, D2HS & D200, Fujifilm S5 Pro.

*Nikon added new GPS function to D3, D3S, D3X, D300, D300S and D700. The new function resolved the battery drain issue. The new option in the menu let the user to select the metering system to stay on or auto off when GPS data is received to reduce the power consumption.

Specifications

General
Chipset Low Power Single Chip SiRF Star III
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 20 channel all-in-view tracking
Sensitivity -159 dBm

Accuracy (Open Sky)
Position 10 meters, 2D RMS
5 meters, 2D RMS, WAAS enabled
Velocity 0.1 m/s
Time 1us synchronized to GPS time

Datum
WGS-84

Acquisition Time (Open sky, stationary requirements)
Reacquisition 0.1 sec., average
Hot start 1 sec., average
Warm start 38 sec., average
Cold start 42 sec., average

Dynamic Conditions
Altitude 18,000 meters (60,000 feet) max
Velocity 515 meters /second (1000 knots) max
Acceleration Less than 4g
Jerk 20m/sec max

Data Logger
8MB flash memory for up to 260,096 data points
Able to record data in a circular or FIFO format
Time trigger (1s - 65536s) or Distance trigger (1m - 65536m)
Data can be password protected

Power
+5V Supply from DSLR Camera
Power consumption less than 36mA

Protocol
Direct connect to N-DSLR via 10pin connector
Baud rate 4,800 bps
Output message NMEA 0183

Interface
Circular 10 pin connector direct connect to N-DSLR

Physical Characteristics
Dimension 54mm*37mm*17mm
Weight: 50g
Operating Temperature -10  to +45 Degrees Celsius
Operating Humidity: 5% to 85%, No Condensing

*Specifications are subject to change without any notice.

di-GPS Pro L support Nikon D3, D3S, D3X, D300, D300S, D700, D2XS, D2X, D2HS & D200, Fujifilm S5 Pro.