Geode GNS3 Real-Time Sub-Meter GPS Receiver
168 Appendix D Specifications
13. Appendix D: Geode Receiver
Specifications
FEATURE SPECIFICATION
Receiver ■ Receiver Type: GNSS multi-
frequency, multi-constellation
(GNS3M, when activated); single-
frequency (GNS3S)
■ Signals:
■ GPS: L1CA, L1P, L1C, L2P, L12P,
L2C, L5
■ GLONASS: G1, G2
■ Beidou: B1, B2, B3 (without L5)
■ GALILEO E1BC, E5a, E5b
■ QZSS: L1CA, L1C, L2C, L5
■ Channels: 800+
■ SBAS Support: 3-channel parallel
tracking
■ L-band: Atlas worldwide 1525-1560
MHz (with subscription)
■ Update Rate: 1 Hz standard, up to 10
Hz or 20 Hz (optional)
Accuracy ■ SBAS: <30 cm HRMS, <60 cm
2DRMS
■ Atlas (95%):
■ H10: 10 cm
■ H30: 30 cm
■ Basic: 50 cm (requires
subscription)
■ Autonomous: 1.2 meters HRMS
■ Cold Start: 60 sec typical (no
almanac)
■ Reacquisition: 15 sec Atlas, all others
<1 sec
Communications ■ Bluetooth
®
4.1 SPP, IAP2, EAP
■ Bluetooth Range: Class 1 Long
Range
■ Ports: USB-C, Serial RS-232C DB-9
■ Serial Baud Rates: 4800–115200
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