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The GeoMate GNSS SG7 is the latest premium GNSS geodetic receiver made in Singapore. Designed to meet the highest standards, the SG7 is a high-performance 1608-channel IMU-RTK GNSS receiver that delivers the performance and reliability you need to survey your work sites with confidence. The SG7 has built-in connection modules including Wi-Fi, Bluetooth, NFC, UHF modem and 4G to support a variety of application scenarios, such as urban surveying and mapping, road infrastructure construction, urban utility development, housing construction and more.

Specification

GNSS Performance

Channels 1608 channels
GPS L1 C/A, L2E, L2C, L57
GLONASS L1C/A, L1P, L2 C/A, L2P, L3 CDMA
Galileo E1, E5a, E5b, E5AltBOC, E6
BeiDou B1, B2, B3
SBAS L1C/A, L5 (QZSS, WAAS, MSAS, GAGAN)
QZSS L1 C/A, L1 SAIF, L2 C, L5, LEX
IRNSS L5*
L Band Support, RTX optional

GNSS Accuracies

Real time kinematic (RTK) H: 8 mm + 1 ppm RMS
V: 15 mm + 1 ppm RMS
H: 8 mm + 0.5 ppm RMS (Network RTK)
V: 15 mm + 0.5 ppm RMS (Network RTK)
Initialization time: < 8 s
Initialization reliability: > 99.9%
L-Band Accuracy H: Less than 3 cm
V: Less than 5 cm
Long Observation
Static Accuracy
H : 3 mm + 0.1 ppm
V: 3.5 mm + 0.4 ppm
Post-Processing Static H: 2.5 mm + 0.5 ppm RMS
V: 5 mm + 0.5 ppm RMS
Code differential H: 0. 25 m RMS,
V: 0.50 m RMS
Autonomous Horizontal: 1 m RMS
Vertical: 1.5 m RMS
Positioning rate Up to 50 Hz
Time to first fix Cold start: < 45 s
Hot start: < 8 s
Signal re-acquisition: < 1 s
Till angle 0-60°
RTK tilt-compensated 8 mm + 0.3 mm/° tilt Standard IMU
5 mm + 0.5 mm/° tilt Advanced IMU

Hardware

Size (LxWxH) Φ152 mm x 78 mm (Φ5.98 in × 3.07 in)
Weight 1.15 kg (2.54 lb)
Environment Operating: -40°C to +65°C (-40°F to +149°F)
Storage: -40°C to +85°C (-40°F to +185°F)
Humidity 100% condensation
Ingress protection IP67
Shock Survive a 2-meter pole drop
Tilt Sensor Calibration-free IMU, E-Bubble leveling

Communication

SIM card type Nano-SIM card
Network modem Integrated 4G modem:TDD-LTE,
FDD-LTE(B3,B5,B8,B20,B28),
WCDMA(B1,B8),
GSM(900,1800)
Wi-Fi 802.11 b/g/n, access point mode
Bluetooth® V 4.2
Ports 1 x 7-pin LEMO port ( RS-232)
1 x USB Type-C port (external power, data
download, firmware update)
1 x UHF antenna port (TNC female)
UHF radio Standard Internal Rx/Tx: 410 – 470 MHz
Transmit Power: 0.5 W to 1W, 2W (Optional)
Protocol: CHC, Transparent, TT450 Channel
Spacing: 12.5 KHz
Link rate: 9600 bps to 19200 bps Range: Typical
3 km to 5 km
Data formats RTCM 2.x, RTCM 3.x, CMR, CMR+,
RTCM MSM input and output
RINEX 2.11, 3.02
NMEA 0183 output
NTRIP Client, NTRIP Caster
Data storage 8 GB internal memory,
support external storage USB OTG

Electrical

Power Consumption Typical 4.5 W (depending on user settings)
Li-ion Battery Capacity Built-in battery
9,600 mAh, 7.4 V
Operating time on internal battery UHF/ 4G RTK Rover: up to 18h
UHF RTK Base: up to 9.5 h
Static: up to 18 h
External power input 9 V DC to 28 V DC

Certifications

CE Mark; FCC Part 15 Subpart B Class B;
NGS Antenna Calibration; NCC; WPC ETA; MIL-STD 810G/F/H

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