Holux GM-210 Palm m500 and m505 GPS Features

, along with a few user tips that you may find of help for this particular item.

•	12 parallel satellite-tracking channels for fast acquisition and reacquisition.
•	High speed signal acquisition using 1920 time/frequency search channels.
•	Low power consumption.
•	Support NMEA0183 v2.2 data protocol.
•	Built-in rechargeable battery for memory and RTC backup and for fast Time to First Fix (TTFF).
•	Enhanced algorithms provide superior navigation performance in urban, canyon and foliage environments.
•	Built on SiRF Star II chipset with embedded ARM7TDMI CPU available for customized applications in firmware.
•	Built-in hardware Tracking Loop Processor WAAS/EGNOS Demodulator and NDGPS/U.S. Coast Guard Beacon support.
•	Built-in magnetic base for mounting on metal surfaces.
•	Water-resistant housing.

SPECIFICATIONS:
General
Tracks up to 12 satellites
Antenna Type: Built in Active Patch Antenna
Receiver: L1, C/A code
Minimum Signal tracked: -175dBW
Snap Start: <3 sec (at <25 minutes off period)
Dimension: 91 X 50 X 20mm
Update rate: 1Hz
Weight: <100g
Operation Temperature: -40°C (-40°F) to +80°C (176°F)
Store Temperature: -45°C (-49°C) to +100°C (212°F)
Operation Humidity: 5% to 95% No Condensing
Power consumption: <170mA at 4.5-5.5V input

Position Accuracy
Non DGPS (Differential GPS)
   Position 5-25m CEP without SA
   Velocity 0.1 m/sec, without SA
   Time 1 usec sync GPS Time
DGPS (Differential GPS)
   Position 1 to 5 m, typical
   Velocity 0.05 m/sec
EGNOS/WAAS/Beacon
   Position
    < 2.2m, horizontal 95% of time
    < 5 m, vertical 95% of time

Protocol and Interface
NMEA output protocol: V2.2
   Baud rate: 4800bps
   Data bit : 8
   Parity: N
   Stop bit : 1
   Output format:
   Standard: GGA,GSA,GSV,RMC
   Optional: GLL,VTG,SiRF binary
Interface:
   RS-232 + CMOS TTL Level
   RS-232 + DGPS

Acquisition Time
Reacquisiton: 0.1sec.averaged
Hot start: 8sec. averaged
Warm start: 38sec.averaged
Cold start: 45sec.averaged

Dynamic Conditions
Altitude: 18,000 meters (60,000 feet) max
Velocity: 515 meters/second (700 knots) max
Acceleration: 4G, max
Jerk: 20 meters/second, max

LED Function
Power On/Off and Navigation
Update Indication