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HOLUX Wireless GPS Logger M-241 User’s Manual
8
4. Specification
Specifications
•32 parallel satellite searching channels
•Receiver: L1, 1575.42 MHz
•Frequency: 1.023 MHz
•Update frequency: 1 Hz.
•Antenna type: Built-in
•Satellite signal reception sensitivity: -159dBm
•Dimensions: 32.1mm X 30mm X 74.5mm
•Weight (excluding battery): < 39g.
•Switch: Slider switch
•1 AA alkaline battery lasts for up to 12 hours of operation
•Operating temperature: 0 ℃ to + 50 ℃
•Storage temperature: -10 ℃ to + 60 ℃
•Operating humidity: 5% to 90%
Positioning
◆ Non DGPS (Differential GPS)：
•Position : 3.0 M CEP excluding SA
•Velocity: 0.1M / sec.
•Interval: 0.1 sec to Sync GPS
◆ DGPS (EGNOS/WAAS/MSAS)：
•Position: < 2.2 M., Horizontal deviation 95% time
< 5 M., Vertical deviation 95 % time
*The above data is based on the specifications of the MTK GPS chip
Positioning
Timing
•Time to reposition < 0.1 sec average
•Hot boot 1 sec
•Warm boot 33 sec
•Cold boot 36 sec
*The above data are based on specifications of the MTK GPS chip
Protocol and
Interface
◆ Bluetooth compatible serial specifications (SPP)
•Bluetooth V1.2 compatible
•Bluetooth class 2 (within 10m of range in open space)
•Frequency: 2.400 to 2.480 GHz
•Modulation: FHSS / GFSK
•RF channels: 79
•Input sensitivity: -85dBm
•Output power: +2dBm