The Holux M241 is many devices in one:
1.    High-sensitivity Bluetooth/USB Mouse GPS Receiver
2.    GPS data logger that can record up to 130,000 positions, including longitude, latitude, time, and altitude
3.    Provides real-time coordinates information on its LCD screen – the only GPS data logger to have this feature – along with velocity, date, and time.

With the downloaded data log file, you can combine it with your digital camera photos to geotag your photos in seconds using photo software such as Locr. Then, view your route history and photo locations on Google Earth, Locr, Flickr, Smugmug, etc.

The Holux 241 runs on a standard AA battery, relieving worries about recharging on long trips.

Also includes a free 7-day trial of smart2go maps.

Package includes: Holux M241 Wireless GPS Logger, Car Charger, Mini USB cable, AA battery, Lanyard, Quick Guide, Tool CD, smart2go maps DVD with 7-day free trial

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%
• Certifications: CE, FCC, E13, Bluetooth

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

Positioning Timing*

• Reacquisition < 0.1 sec average
• Hot start 1 sec
• Warm start 33 sec
• Cold start 36 sec

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
• Output port: Mini-USB (CMOS Level)
• NMEA protocol output: V 3.01
• Baud rate: 38400 bps
• Data bits: 8
• Sync bits: N
• End bit: 1
• Output interface:
• Standard: GPGGA (1 time per second), GPGSA (1 time per second), GPGSV (1 time per second), GPRMC (1 time per second), GPVTG (1 time per second).

Physical Specifications

• Sea level: Max 18,000 M (60,000 feet)
• Velocity: Max 515 M./sec ( 1000 knots)
• Acceleration: Max 4G
• Vibration: 20 M/ second3, Max.
• 1 Power switch, 2 Buttons (Menu and Confirm)

LCD display

• System and satellite positioning status
• Time
• Position
• Velocity
• Distance measurement
• Setup

*Data based on MTK chip specifications