Position GPS/GNSS Grande Précision GNSS Temps/Fréquence GPS/GNSS Antennes GPS/GNSS Accessoires GPS/GNSS
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Position GPS/GNSS


BUFFALO GNSS (GPS/GLONASS) Module Produit Trimble


Buffalo GNSS
General Overview
Trimble’s advanced Buffalo B1919 GNSS module delivers top performance and Trimble quality in a new generation of positioning products.

Buffalo GNSS module helps bring new and innovative products to market faster to allow you to capture greater market share. As a completely qualified positioning solution with full warranty, the Buffalo modules harbor none of the development risk or hidden cost associated with GNSS chipset implementations.

The B1919 GNSS receiver provides L1 Frequency GPS and GLONASS - using the NMEA protocol from two serial ports, and also a PPS timing output. Buffalo can acquire and tracking using both GPS and GLONASS constellations. Galileo and QZSS support will be available through future firmware update.

Buffalo modules match the footprint of Copernicus II and Condor C1919 receiver modules, providing an upgrade path for existing designs.

The B1919 receiver features powerful positioning performance in a 19.0 x 19.0 x 2.54 mm package. The module’s 28 reflow-solderable surface-mount edge castellations provide an interface for your design without the need for costly I/O and RF connectors.

Choose the Buffalo module for greater GNSS performance which is backed by Trimble’s 30+ years of experience in providing the best positioning solutions in the market today.

Buffalo GNSS (GPS/GLONASS) Module Technical Data

Performance Characteristics :
Accuracy (24 hr static, full sky view, rooftop antenna) (GNSS)
Horizontal <1.5 m 50%, <4 m 90%
SBAS <1.3 m 50%, <3.5 m 90%
Altitude <4 m 50%, <8 m 90%
SBAS <2.5 m 50%, <5 m 90%
Velocity 0.05 m/sec
Static PPS 15ns (RMS)
Acquisition (Autonomous, –140 dBm, 50% typical)
Reacquisition 2.4 s
Hot Start 2.5 s
Warm start 22 s
Cold Strat 33 s
Sensitibity (unaided)
Tracking -157 dBm
Acquisition (For hot start with emphemeris otherwise –144 dBm) -146 dBm
Receiver Dynamics 4 G max
Interface Characteristics:
Connections 28 surface-mount edge castellations
Serial Port 1 serial port
PPS 3.0 V CMOS-compatible pulse, once per second
Protocols NMEA
Electrical Characteristics :
Prime Power +2.7 V DC to 3.3 V DC
Power Consumption (typ.) 62 mA (186 mW) @ 3.0 DC
Backup Power +2.7 V DC to +3.3 V DC
Ripple Noise Max 50 mV, peak-to-peak from 1 Hz to 1 MHz
Environmental Charcateristics
Operating Temperature -40 ºC to +85 ºC
Storage Temperature -40 ºC to +105ºC
Humidity 5% to 95% RH non-condensing @ 60°C
Vibration 5 Hz to 20 Hz: 0.008 g²/Hz
20 Hz to 100 Hz: 0.05 g²/Hz
100 Hz to 900 Hz: –3 dB/octave
Physical Characteritics
Enclosure Metal shield
Dimensions 19 mm W × 19 mm L × 2.54 mm H
(0.75 in W × 0.75 in L × 0.1 in H)
Weight <2 g (0.07 oz) including shield

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