The BRx7 by Carlson is a cutting-edge multi-GNSS, multifrequency smart antenna offering high precision and performance in a rugged, compact design with tilt compensation. It supports various operating modes through multiple wireless communication options and an open GNSS interface. Ideal as a network rover or a base-rover system, it integrates seamlessly with GNSS VRS networks and offers unique connectivity via internal radio, cellular communication, or Carlson's cloud-based Listen-Listen service for extended operational flexibility without UHF radio limitations. The BRx7 ensures exceptional RTK performance and centimeter-level accuracy across multiple connection types, enhanced by its SureFix® technology for reliable RTK data quality and the built-in WebUI for easy management and updates. This antenna is also designed to be immune to magnetic interference and supports Athena™ and Atlas® services for global positioning precision.

  • 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

*** Requires a subscription from Carlson Software

Carlson BRx7 GNSS Receiver
BRx7 Specifications
Receiver Type:Multi-Frequency GPS, GLONASS, BeiDou,
Galileo, QZSS, IRNSS, and Atlas L-band
Signals Received:GPS L1CA/L1P/L1C/L2P/L2C/L5
BeiDou B1i/B2i/B3i/B10C/B2A/B2B/ACEBOC
RTK Formats:RTCM2.1, RTCM2.3, RTCM3.0, RTCM3.1,
RTCM3.2 including MSM, CMR, CMR+
Recordign Intervals:Selectable from 1, 2, 4, 5, 10 Hz
(20 Hz or 50 Hz optional)
Positioning:RMS (67%)2DRMS (95%)
no SA:1.2m2.4m
Atlas (H10):0.04m0.08m
RTK:8 mm + 1 ppm15 mm + 2 ppm
Static Performance:2.5 mm + 1 ppm5 mm + 1 ppm
Tilt Compensation:(within 30°):
(within 60°)
2 cm (with 1.8 m pole)
5 cm (with 1.8 m pole)
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)
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/
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 III(19200), Satel
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 Nano SIM card and Micro SD card
Data & Storage
Storage Type:8 GB internal, SD card up to 32 GB
Weight:1.12 kg (1 battery), 1.25 kg (2 batteries)
Dimensions:156 x 76 mm
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)
Input 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 Interface
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 x BRx7 Case with Measuring Tape
  • 1 x BRx7 Power Cable to Receiver & DB-9 Serial
  • 1 x BRx7 Dual Battery Charger
  • 2 x 1 X S Series BP-5S Battery
  • 1 x BRx7 Vehicle Charger (12v)
  • 1 x 1 X S Series Battery Charger Adapter
  • 1 x 5-pin Serial Cable
  • 1 x Quick Release
  • 1 x Carlson BRx7 Power Cable w/ Clips
  • 1 x BRx7 Spread Spectrum Antenna
  • 1 x BRx7 UHF Antenna

  • 2 Year Manufacturer's Warranty

  • Unopened and unused items may be returned within 15 days of purchase for a full refund.
  • A 10% to 20% restocking fee will apply after 15 days.
  • Returns must be accompanied by the original proof of purchase from James River Laser.
  • To learn more, visit the Return and Replacement Policy Page (Link).

  • If your order arrives damaged, please notify us within 48 hours of receipt.
  • Defective or damaged items may be replaced for the same product within 15 days of purchase.
  • Replacements are subject to product availability.

  • Offering a wide range of construction lasers, survey equipment, machine control systems, GPS systems, trench shoring, and more from top names in the industry.
  • Backing our equipment with manufacturer warranties.
  • Offering a customer-friendly return policy with flexible options.
  • Ensuring your confidence in our products through replacement policies for defective or damaged items.
  • Putting you first by resolving shipping-related issues promptly.

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