Receiver architecture
20-channel, 200 000 effective correlators, L1 1575.42 MHz
C/A code (1.023 MHz chip rate)
code-plus-carrier tracking (carrier-aided tracking)
velocity to 500 m/s
acceleration to 4 G
Tracking capability
20 satellites simultaneously
Accuracy
horizontal accuracy: 2.2 m (CEP), 5.5 m 2dRMS
PPS accuracy: typically better than 1 µs
Acquisition/reacquisition performance
@ –125 dBm
hot start TTFF, typically: 500 ms 90%: < 1 s
warm start TTFF, typically: 32 s 90%: 38 s
cold start TTFF, typically: 34 s 90%: 42 s
@ –140 dBm
hot start TTFF, typically: <1 s 90%: <1 s
warm start TTFF, typically: 49 s 90%: 59 s
cold start TTFF, typically: 52 s 90%: 66 s
Antenna input
integral LNA for use with passive antenna
active antenna powered through receiver (50 mA max at 12 VDC max)
Datums
supports selection of datums, default: WGS-84
Environmental
operating temperature: -40oC to +85oC
humidity: 95% non-condensing
altitude: –305 m to 18 000 m
Compliance
EMC: FCC – Part 15, class B
EN: 55022, class B
Physical
dimensions: 40.6 x 71.1 x 11.0 mm
weight: 25 grams
On-board filtering
L1 –75 MHz, –30 dB
L1 +50 MHz, –20 dB
Data interfaces
two serial ports available
CMOS-level (3.3 VDC)
selected NMEA-0183/SiRF binary messages: latitude, longitude, elevation, velocity, heading, time, satellite tracking status, command/control messages
SiRF binary data interface
Electrical
input power range*: 3.3 VDC -0.1/+0.3 VDC (5 VDC input power option available. Contact your distributor or Navman Wireless for more information.)
battery backup current: 5 to 6 µA (typ) for 2.85 to 6.0 VDC (SRAM and RTC)
Connectors
data/power: 20-pin (2x10) on 2 mm centres
RF: right angle or straight OSX, or right angle SMB