Specifications
Unless otherwise noted, this information covers both receiver models.
The label on your receiver shows if you have an R750 or R750-2. P/N 118500‑xx is an R750. P/N 218500‑xx is an R750-2.
Specifications are subject to change without notice.
Configuration option |
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Configuration option |
Modular |
Base and rover interchangeability |
Yes, upgradeable to rover, base or rover, and base |
Rover position update rate |
1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz, 50 Hz |
Rover maximum range from base |
Unrestricted. Typical range 2 to 5 km (1.2 to 3 miles) without a radio repeater. |
Rover operation within a VRS network |
Yes |
Heading and moving base operation |
Yes |
Internal memory |
9.25 GB logging |
General |
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Keyboard and display |
OLED display (256 × 64), 32 characters by 4 rows On/Off key for one-button startup Escape and Enter keys for menu navigation Four arrow keys (up, down, left, right) for option scrolls and data entry |
Dimensions (L × W × H) |
269 mm (L) x 141 mm (W) x 61 mm (H) |
Weight |
2.05 kg |
GNSS antenna (recommended) |
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Also see GNSS Antenna Chart |
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Zephyr 3 or Zephyr™ Model 2 series (base, rover, rugged, geodetic) |
Triple-frequency GNSS (BeiDou, Galileo, GLONASS, GPS, NavIC, QZSS) MSS, SBAS |
GA830 |
Triple-frequency GNSS (GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC), MSS, MSK, SBAS (R750) Triple-frequency GNSS (GLONASS, Galileo, BeiDou, QZSS), MSS, MSK Beacon, SBAS (R750-2) |
LNA filters |
Japanese LTE filtering below 1510 MHz allows antenna usage > 100 m (328 ft) from a Japanese LTE cell tower Iridium filtering above 1616 MHz allows usage > 20 m (65.6 feet) from an Iridium transmitter. |
Temperature |
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Operating 1 |
-40 °C to +65 °C (-40 °F to +149 °F) |
Storage |
-40 °C to +80 °C (-40 °F to +176 °F) |
Humidity |
93 % humidity at 40 °C for a duration of 3 hours (IEC-60945 Method 8.3) |
Water Ingress Protection (IP) |
IP67 for submersion to depth of 1 m (3.3 ft), dustproof |
1 Operating up to +65 °C ambient when the device is powered by external DC supply and the battery is fully charged or is not being charged. Operating up to +30 °C ambient when the battery is being charged by an external DC supply. Operating up to +48 °C ambient when the device is powered by a USB-PD battery or charger. |
Shock and vibration |
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Pole drop |
Designed to survive a 1.1 m (3.6 ft) pole drop onto a hard surface |
Shock – non-operating |
To 75 g, 6 ms |
Shock – operating |
To 40 g, 10 ms, saw-tooth |
Vibration |
IEC 60945 Method 8.7 |
2 Galileo Commercial Authorization. Developed under a License of the European Union and the European Space Agency. |
Accuracies |
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Regional SBAS (EGNOS / MSAS / SDCM / SouthPan / QZSS / WAAS) positioning 3 |
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Horizontal accuracy |
Horizontal ± 0.50 m (1.6 ft) |
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Vertical accuracy |
Vertical ± 0.85 m (2.8 ft) |
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Precise Point Positioning (PPP) |
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The receivers’ current capability is based on publicly available information. As such, Trimble cannot guarantee they will be fully compatible with future generations of Galileo and QZSS satellites or signals. |
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Galileo HAS, SL1 (global) |
Horizontal ± 0.20 m (0.7 ft), Vertical ± 0.40 m (1.3 ft), Convergence 300s Galileo HAS is supported from firmware version 6.28. Galileo HAS has reached service level 1, which means “reduced coverage and performance with respect to the Full Service”. For example, the phase biases are still missing in the correction stream. Currently, Trimble cannot guarantee the convergence time specification at least until phase biases are provided. For more information, refer to https://www.gsc-europa.eu/galileo/services/galileo-high-accuracy-service-has. |
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QZSS CLAS (Japan only) |
Horizontal 0.07 m (0.2 ft) RMS, Vertical ± 0.12 m (0.4 ft) RMS QZSS CLAS is supported. QZSS CLAS provides centimeter-level nationwide positioning PPP-RTK correction service for Japan. Compact SSR correction format broadcast at 2,000 bps on the QZSS L6D signal. QZSS CLAS supports multi-GNSS including GPS, Galileo, and QZSS. Use firmware version 6.26 or later and enable QZSS L6D on the Tracking screen.
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Code Differential GPS positioning 4 |
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Horizontal accuracy |
±(0.25 m + 1 ppm) RMS ±(0.8 ft + 1 ppm) |
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Vertical accuracy |
±(0.50 m + 1 ppm) RMS ±(1.6 ft + 1 ppm) |
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OmniSTAR positioning |
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VBS service accuracy |
Horizontal <1 m (3.3 ft) |
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XP service accuracy |
Horizontal 0.2 m (0.66 ft), vertical 0.3 m (1.0 ft) |
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HP service accuracy |
Horizontal 0.1 m (0.33 ft), vertical 0.15 m (0.5 ft) |
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Marinestar G2+ service accuracy |
Horizontal 0.02 m (0.06 ft), vertical 0.06 m (0.20 ft), 95% |
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CenterPoint RTX positioning 5 |
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Convergence time for specified precisions |
Less than 1 min in RTX Fast regions, and less than 3 minutes worldwide |
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CenterPoint RTX accuracy (with valid subscription) |
Horizontal 0.02 m (0.06 ft) RMS. Vertical 0.03 m (0.1 ft) RMS. |
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xFill mode (limited to 5 minutes) |
RTK Horizontal + 10 mm(0.03 ft)/min RMS. RTK Vertical + 20 mm(0.06 ft)/min RMS. |
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xFillx-RTX mode (with valid CenterPoint RTX subscription) |
Horizontal 0.03 m (0.01 ft) RMS. Vertical 0.07 m (0.2 ft) RMS. Accuracies are dependent on GNSS satellite availability. xFill positioning without an RTX subscription ends after 5 minutes of radio downtime. xFill-RTX will continue beyond 5 minutes providing the solution has converged. xFill is not available in all regions, check with your local sales representative for more information. RTK refers to the last reported precision before the correction source was lost and xFill started. |
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Trimble xFill positioning 6 |
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xFill accuracy 8 |
RTK + 10 mm (0.03 ft)/min horizontal + 20 mm (0.06 ft)/min vertical RMS |
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Real-Time Kinematic positioning 4 |
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Horizontal accuracy |
8 mm + 1 ppm RMS (0.026 ft + 1 ppm RMS) |
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Vertical accuracy |
15 mm + 1 ppm RMS (0.05 ft +1 ppm RMS) |
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Networked RTK 7 (R750-2) |
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Horizontal accuracy |
8 mm + 0.5 ppm RMS |
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Vertical accuracy |
15 mm + 1 ppm RMS |
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Trimble VRS 7 (R750) |
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Horizontal accuracy |
3 mm + 0.5 ppm RMS |
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Vertical accuracy |
5 mm + 0.5 ppm RMS (0.05 ft +0.5 ppm) |
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Precise Heading |
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Heading accuracy |
With incoming Moving Base CMRx corrections |
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2 m antenna separation |
0.09° RMS |
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10 m antenna separation |
0.05° RMS |
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High Precision Static |
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Horizontal accuracy |
3 mm + 0.1 ppm RMS (0.01 ft +0.1 ppm) |
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Vertical accuracy |
3.5 mm + 0.4 ppm RMS (0.011 ft +0.4 ppm) |
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Velocity |
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Doppler horizontal accuracy |
0.008 m/s RMS |
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Doppler vertical accuracy |
0.025 m/s RMS |
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3 Depends on SBAS system performance. 4 Accuracy and reliability may be subject to anomalies such as multipath, obstructions, satellite geometry, interference and atmospheric conditions. Always follow recommended survey practices. 5 Receiver accuracy and convergence time varies based on GNSS constellation health, level of multipath, and proximity to obstructions such as large trees and buildings. 6 Accuracies are dependent on GNSS satellite availability. xFill positioning without an xFill Premium subscription ends after five minutes of radio downtime. xFill Premium will continue beyond 5 minutes providing the solution has converged, with typical precisions not exceeding 3 cm horizontal, 7 cm vertical. xFill positioning without an RTX subscription ends after five minutes of radio downtime. xFill-RTX will continue beyond five minutes providing the solution has converged. xFill is not available in all regions, check with your local sales representative for more information. 7 Networked RTK PPM values are referenced to the closest physical base station. 8 RTK refers to the last reported precision before the correction source was lost and xFill started. |
Initialization time |
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Regular RTK operation with base station |
Single/Multi-base |
Initialization |
2 to 8 seconds |
Initialization reliability 9 |
>99.9% |
9 May be affected by atmospheric conditions, signal multipath, and satellite geometry. Initialization reliability is continuously monitored to ensure highest quality. |
Power |
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Internal |
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External |
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Power consumption |
6.6 W in rover mode with internal receive radio 8.5 W in base mode with internal transmit radio |
Operation time on internal battery (R750) |
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Rover |
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7 hrs: CMRx over UHF 7 hrs: VRS/IBSS over LTE (internal or controller via Bluetooth) |
Base station |
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450 MHz |
5.5 hrs (0.5 W), 4.8 hrs (2 W): CMRx over UHF and LTE |
900 MHz base station |
6.2 hrs: CMRx over UHF and LTE |
Adding a USB-PD powerpack (30,000 mAh) to a fully charged internal battery will provide about 13.9 hrs @ 11.4 W for a 450 MHz at 2 W |
Operation time on internal battery (R750-2) |
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Rover |
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7 hrs: CMRx over UHF 7 hrs: VRS/IBSS over LTE (internal or controller via Bluetooth) |
Base station |
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450 MHz |
5.5 hrs (0.5 W), 5 hrs (1 W): CMRx over UHF and LTE |
900 MHz base station |
7 hrs: CMRx over UHF and LTE |
Adding a USB-PD powerpack (30,000 mAh) to a fully charged internal battery will provide about 13.9 hrs @ 11.4 W for a 450 MHz at 1 W |
Regulatory approvals |
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See Compliance notices. |
Communications |
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Serial 1 (COM1) |
7-pin 0S LEMO, serial 1, 3-wire RS-232 |
Serial 2 (COM2) |
26-pin D-sub, serial 2, 5-wire RS-232, using adapter cable (selectable) 26-pin D-sub, serial 2, 4-wire RS-422, using adapter cable (selectable) |
Serial 3 (COM3)/CAN |
26-pin D-sub, serial 3, 3-wire RS-232, using adapter cable (selectable) 2-wire CAN output [NMEA 2000] (Selectable) |
Serial 4 (COM4) |
26-pin D-sub, serial 4, 4-wire RS-422, using adapter cable (selectable) |
1PPS (1 pulse-per-second) |
Supported on both LEMO and 26-pin D-sub |
Event In |
Supported on LEMO |
USB |
USB v2 (supports USB-PD charging) |
Ethernet |
Through a multi-port adapter (P/N 57168) |
Wi-Fi |
Fully-integrated, fully-sealed 2.4 GHz Wi-Fi module Simultaneous access point (AP) and client modes |
Bluetooth wireless technology 10 |
Fully-integrated, fully-sealed 2.4 GHz Bluetooth module |
Cellular (R750) |
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Cellular (R750-2) |
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10 Bluetooth type approvals are country specific. For more information, contact your local Trimble office or representative. |
Network protocols |
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HTTP (web browser interface) |
HTTP, HTTPS |
NTP Server |
Yes |
TCP/IP or UDP |
Yes |
NTRIP |
NTRIP v1 and v2, Client, Server, and Caster modes |
mDNS/uPnP Service discovery |
Yes |
Dynamic DNS |
Yes |
eMail alerts |
Supports SSL/TLS secure email servers |
Integrated radio (hardware dependent) (R750) |
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Also see Internal radio and Compliance notices |
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Fully-integrated, internal 403 MHz to 473 MHz or 902 to 928 MHz; Rx/Tx |
450 MHz |
12.5 kHz or 25 kHz spacing available |
Sensitivity |
-114 dBm (12 dB SINAD) |
Transmit power (450 MHz) |
0.5 W, 2.0 W (2.0 W available only in certain countries) |
900 MHz |
Fully-integrated, internal 900 MHz; Tx/Rx (1.0 W) |
Frequency approvals (902 to 928 MHz) |
Australia, Canada, New Zealand, USA |
Frequency approvals (403 to 473 MHz) |
Worldwide and depending on the local required licensing |
Integrated radio (hardware dependent) (R750-2) |
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Also see Internal radio and Compliance notices |
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450 MHz |
12.5 kHz or 25 kHz spacing available |
Sensitivity |
-114 dBm (12 dB SINAD) |
Transmit power |
0.1 W, 0.5 W, 1.0 W (configured by Trimble Dealer) |
Frequency approvals |
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900 MHz |
Fully-integrated, internal 900 MHz; Tx/Rx (1.0 W) |
Frequency approvals (902 to 928 MHz) |
Australia, Canada, USA |
Internal MSS demodulator (L-band) |
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Channels |
2 |
Frequency range |
1525 to 1559 MHz |
Correction services |
Trimble CenterPoint RTX, OmniSTAR, and Fugro MarineStar. Correction services supported are subject to regional availability. |
Cellular support |
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Internet-based correction streams: (IBSS, VRS, NTRIP) |
Internal LTE modem
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Carriers |
Bands 1:2:3:4:5:7:8:12:18:19:20:28 (Verizon not supported) |
Remote access |
Using DynDNS and appropriate service |
Input/Output |
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Correction data |
CMR, CMR+™, RTCM 2.x, RTCM 3, RTCM 3.3 (MSM), MSS (Marinestar, Trimble CenterPoint RTX) |
Data outputs |
NMEA 0183, NMEA 2000, GSOF, 1PPS time tags, RT17, RT27. See Data Logging menu. |
Data inputs |
Event |
Maximum data rate |
50 Hz (depending on data type) |
Features and upgrades |
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Standard features |
RTX rover, BeiDou, Galileo, GLONASS, GPS, SBAS, QZSS, 3F, xFill, NMEA, Wi-Fi, logging, field radio, moving base Standard features depend on country compliance for Wi-Fi and LTE. |
Raw data logging (*.T02, *.T04) |
9.25 GB internal. Raw data logging (.T02 and T04 files). See Data Logging menu. |
Precision upgrades |
See Available upgrades. |
Signal/Constellation upgrades |
All constellations and signals are included as standard. |
Feature upgrades |
See Available upgrades. |