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
‧Operating temperature: 0 ℃ to + 50 ℃
‧Storage temperature: -10 ℃ to + 60 ℃
‧Operating humidity: 5% to 90%
Positioning
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◆ Non DGPS (Differential GPS)：
：：
：
‧Position : 3.0 M CEP excluding SA
‧Velocity: 0.1M / sec.
‧Interval: 0.1 sec to Sync GPS
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◆ 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
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◆ 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
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◆Output port: Mini-USB (CMOS Level)
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