Gm-2 series, Specifications – Transystem GM-2 User Manual
Page 8
GM-2 Series
V0.5
8
7.
Specifications
Specification
Description
General
L1 frequency, C/A code (SPS)
66 independent tracking channels
Sensitivity
-165dBm /Tracking
Update Rate
Up to 5Hz
Accuracy
<3m CEP, without aid
DGPS (WAAS, EGNOS, MSAS, RTCM): 2.5m
Acquisition
(open sky)
Cold Start: 35sec
Warm Start: 34sec
Hot Start: 1.5sec
Reacquisition
< 1sec
Dynamics
Altitude: 18000m (max.)
Velocity: 515m/sec (max.)
Vibration: 4G (max.)
Supply Voltage
DC 5V ± 5%
Power Consumption
40mA max. @ 5.0V / Tracking
Backup Battery
Build-in
NMEA Message
NMEA0183 v3.1 baud rate 4800/9600/…/57600,
Default: 9600 (GM-2 RU, GM-2 RP, GM-2 RT),
115200 (GM-2 LU, GM-2 LP, GM-2 LT)
Selectable Output: GGA, GLL, GSA, GSV, RMC, and VTG
Default Output: GGA
、GSA、GSV、RMC
Datum
Default WGS-84
Antenna
Build-in
patch
antenna,
right
hand
circular
polarization,
50ohm
Log capability
Up to 125,000 way points, logger model only
Default: Date/Time
、Latitude、Longitude、Height、Speed
Smart log capability Yes, logger model only
Mac support
Yes
Signal Level
USB, RS-232 or Low Voltage TTL
Connector
USB type A male or PS2 female
Operating
Temperature
-30
℃ to 85℃
Waterproof
IPX7