Carlson BRx7 GNSS Base/Rover Package

The BRx7 is Carlson’s all-new multi-GNSS, multifrequency smart
antenna. The BRx7 provides robust performance and high
precision in a compact, rugged package with tilt compensation
ability. With multiple wireless communication ports and an
open GNSS interface, the BRx7 can be used in a variety of
operating modes.

Use the BRx7 as a precise network rover to work with your
GNSS VRS network, or set up your BRx7 as an easy-to-use
base-rover package with industry-leading performance via
the internal long range and spread-spectrum radio or cellular
communication via Carlson’s Listen-Listen, a unique cloud-based
low latency service that eliminates baseline length restrictions
of UHF radios. With only an Internet connection, you can enjoy a
simple, easy-to-use base-rover solution that can also support a
single base with multiple simultaneous rover connections.

The BRx7 provides state-of-the-art RTK performance when
receiving corrections from a static base station or network
RTK correction system. With multiple connectivity options,
the BRx7 allows for RTK corrections to be received over radio,
cell modem, Wi-Fi, Bluetooth, or serial connection. The BRx7
delivers centimeter-level accuracy with virtually instantaneous
initialization times and cutting edge robustness in challenging
environments.

The BRx7 also features proprietary SureFix® technology to provide
high fidelity information about the quality of the RTK solution,
allowing enhanced and improved RTK accuracy, availability, and
precision.

The built-in web user interface (WebUI) can be used to monitor
and control the receiver status and operation, as well as to upgrade
the BRx7 with new firmware and activations. The BRx7 is immune
from magnetic interference, and is both Athena™ -enabled and
Atlas®-capable (subscription required).

KEY FEATURES
• Multi-frequency GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS,
and Atlas L-band
• Long-range RTK baselines up to 50 km with fast acquisition
times with the use of Listen-Listen***
• UHF (400 MHz & 900 MHz), cellular, Bluetooth, and Wi-Fi
wireless communication
• The BRx7 Athena GNSS engine providing best-in-class RTK
performance
• Internal tilt sensor corrects collected point coordinates to
within 2 cm

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The package includes the following components:

  • Brx7 Case with measuring tape
  • 2 BRx7 Pwr Cbl to Rcvr & DB-9 Serial
  • 1  GPS Tribrach (Optical Plummet)
  • 2  1 X S Series Dual Battery Charger
  • 2  1 X S Series BP-5S Battery
  • 2  1 X S Series Battery Charger Adapter
  • 2  5-pin Serial Cable
  • 2  Quick Release
  • 2  Carlson Brx6 Power Cable w/ Clips
  • 1  Tribrach Adapter
  • 2  BRx7 GPRS Antenna (SMA)
  • 2  BRx7 UHF Antenna
  • 1  1.405 inch/35.7mm Height Adapter

GNSS Receiver Specifications

Receiver Type: Multi-Frequency GPS, GLONASS, BeiDou,
Galileo, QZSS, IRNSS, and Atlas L-band
Signals Received: GPS L1CA/L1P/L1C/L2P/L2C/L5
GLONASS G1/G2/G3, P1/P2
BeiDou B1i/B2i/B3i/B10C/B2A/B2B/ACEBOC
GALILEO E1BC/E5a/E5b/E6BC/ALTBOC
QZSS L1CA/L2C/L5/L1C/LEX
IRNSS L5
Atlas
Channels: 800+
RTK Formats: RTCM2.1, RTCM2.3, RTCM3.0, RTCM3.1,
RTCM3.2 including MSM, CMR, CMR+
Recording lntervals: Selectable from 1, 2, 4, 5, 10 Hz
(20 Hz or 50 Hz optional)


Accuracy
Positioning: RMS (67%) 2DRMS (95%)
Autonomous,
no SA:1 1.2 m 2.4 m
SBAS:1 0.3 m 0.6 m
Atlas (H10):1,3 0.04 m 0.08 m
RTK:1,2 8 mm + 1 ppm 15 mm + 2 ppm
Static Performance:1 2.5 mm + 1 ppm 5 mm + 1 ppm
Tilt Compensation (within 30°): 2 cm (with 1.8 m pole)
(within 60°): 5 cm (with 1.8 m pole)4
Initialization Time: < 10 s


L-Band Receiver Specifications
Receiver Type: Single Channel
Frequency Range: 1525 to 1560 MHz
Sensitivity: -130 dBm
Channel Spacing: 5.0 kHz
Satellite Selection: Manual and Automatic
Reacquisition Time: 15 seconds (typical)


Communications
Bluetooth: Bluetooth 2.1 + EDR / 4.0 LE
Wi-Fi: 802.11 b/g
Network: LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/
B18/B19/B20/B25/B26/B28
LTE TDD: B38/B39/B40/B41
UMTS: B1/B2/B4/B5/B6/B8/B19
GSM: B2/B3/B5/B8
Radio: Frequency range: 410MHz – 470MHz and
902.4MHz – 928MHz
Channel Spacing: 12.5 KHz / 25 KHz
Protocol: TrimTalk 450S, PCC EOT,
TrimMark 111(19200)
WebUI: To upgrade software, manage settings, data
download, via smartphone, tablet or other
electronic device,configure advanced radio
settings


Connector Ports
TNC: For connecting to UHF radio antenna
LEMO 5-pin: For connecting to external power supply,
external radio
LEMO 7-pin: For serial port, USB
Card Slots: For Micro SIM card and Micro SD card


Data & Storage
Storage Type: 8 GB internal, SD card up to 32 GB


Physical
Weight: 1.12 kg (1 battery), 1.25 kg (2 batteries)
Dimensions: 156 x 76 mm


Environmental
Operating Temperature: -30°C ~ +65°C
Storage Temperature: -40°C ~ +80°C
Protection: IP67. Protected from temporary immersion
to a depth of 1 m
Shock Resistance: MIL-STD-81 0G, method 516.6.
Designed to survive a 2 m pole drop on
concrete floor.
Designed to survive a 1 m free drop on
hardwood floor
Humidity: Up to 100%
Vibration: MIL-STD-810G, method 514.6E-I
lnflammability: UL recognized, 94HB Flame Class Rating
(3) 1.49 mm
Chemical Resistance: Cleaning agents, soapy water, industrial
alcohol, water vapor, solar radiation (UV)


Electrical
lnput Voltage: 9 to 28 V DC
Battery: With removable dual battery, for single
battery parameter: 7.2 V, 3400 mAh, 24.48 Wh
Working Time: Up to 12 hours (2 batteries hot swap)


User lnterface
Button: Switch receiver on/off, broadcast current
operation mode and status
LEDs: Power, Satellite, Data Link, Bluetooth
WebUI: Supports software updates, receiver status
and settings, and data downloads via
smartphones, tablets, or other Wi-Fi
capable devices.


1 Depends on multipath environment, number of satellites in view, satellite
geometry, and ionospheric activity.

2. Depends also on baseline length.

3. Requires a subscription from Hemisphere GNSS.

4. Higher error can be observed in the GPS RTK solutions with tilts over 30°.
*** Requires a subscription from Carlson Software

Product Brochure

Carlson BRx7 Product Brochure