Holux M-241 Bluetooth GPS Data logger with ezTour Software (GR-241, LCD display, 130,000 waypoints, WAAS, Run on AA battery)
The M-241 is a high performance wireless GPS logger with the following features:
  • Dual interface (Bluetooth + GPS-mouse by USB cable).
  • Compatible with Bluetooth Serial Port Profile (SPP) completely.
  • Powered by one AA battery.
  • LCD display to show position information, speed, capable logging memory size, date & time.
  • Capable memory size to record up to 130,000 positions, including longitude, latitude, time,
    and altitude.
  • Personal settings to select the logging mode by distance or time, unit by Kilometer or mile.
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M-241 on the Plane.
M-241 GPS Receiver Manual
Hardware Specification:

GPS Features
  • High Sensitivitiy Chipset
  • Frequency: L1, 1575.42MHz
  • C/A Code: 1.023MHz chip rate
  • Channels: Support 32 Channels
  • Antenna (internal): Built-in low noise

Time to First Fix (TTFF):
  • Cold Start: 36 sec.
  • Warm Start: 33 sec.
  • Hot Start: 1 sec.
  • Reacquisition: < 1 sec.
  • Update Rate: 1 Hz.

  • Position: <3m CEP (50%) without SA
  • Velocity: 0.1m/sec, without SA
  • Time: +/- 50ns synchronized to GPS time
  • DGPS: <2.2 M., Horizontal deviation 95% time
  • DGPS: <5 M., Vertical deviation 95 % time

Device Size and Weight
  • Dimension: 32.1mm X 30mm X 74.5mm
  • Weight: 39g without battery

LDC Display
  • System and satellite positioning status
  • Time
  • Position
  • Velocity
  • Distance measurement
  • Setup
Driver & Manual Download
  • Built-in MTK Low power consumption
    GPS chipset.
  • 32 parallel satellite-searching
    channels for fast acquisition and
  • Superior sensitivity, up to -159 dBm.
  • Built-in WAAS/EGNOS/MSAS
    Demodulator without any additional
  • Completely compatible with Bluetooth
    Serial Port Profile (SPP).
  • Low power consumption. Use AA
    alkaline batteries (or rechargeable
    batteries) for up to 12 hours of
  • Provide expanded terminal contact to
    other systems without the Bluetooth
  • Support NMEA0183 V 3.01 data
  • Compact and lightweight design for
    ease of use.
Package Includes:

  • AA Battery
  • Car adapter + USB cable
  • Nylon strap
  • Quick Guide
  • Tools & Software CD
  • Travel power supply
  • Warranty-Card
ezTour Software
The ezTour software with its powerful and easy to use interface allows the user to upload a track
file saved from the M-241 and then use the track information to geotag flicker photos that are taken
in the same time period as the track file. Outputting html information to build the photo albums
based on Google maps or on a static map image is only in one painless click. Geotagging ones’
blog posts and sharing ones’ outdoor activities with others is never easier.

  • Directly playback track log on Google map.
  • Allow comments on photos and change name for track logs.
  • Edit, Split , Merge Track Logs
  • Photo slide show while play back track logs.
  • Show Altitude in Graph
  • Support Multi-language
ezTour Software User Manual
M-241 with Google Earth Demo

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