Emlid Reach RS4 RTK GNSS Receiver

EmlidSKU: Reach RS4

Price:
Sale price$3,899.00 USD

Shipping calculated at checkout

Stock:
Limited Quantity Available

Store Pickup: List of available stores available on the Checkout page.

Description

Reach RS4 Specifications

  • Channels: 672
  • GNSS Bands: L1/L2/L5/L6 (GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC)
  • RTK Accuracy: Horizontal: 7 mm + 1 ppm; Vertical: 14 mm + 1 ppm
  • Tilt Compensation: ±2 mm + 0.3 mm/° tilt
  • Fix Time: ~5 seconds
  • Update Rate: Up to 10 Hz
  • Radios: 868/915 MHz (LoRa), 410–470 MHz (UHF, 2 W)
  • Connectivity: Bluetooth 5.1, Wi-Fi, RS-232, USB-C
  • Ingress Protection: IP68
  • Battery Life: 16 hrs (RTK with tilt), 22 hrs (logging)
  • Operating Temperature: -40°F to +149°F (–40°C to +65°C)
  • Storage: 16 GB
  • Position Output: NMEA, LLH/XYZ
  • Weight: 2.11 lbs.

Reach RS4 Pro Specifications

  • Channels: 672
  • GNSS Bands: L1/L2/L5/L6 (GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC)
  • RTK Accuracy: Horizontal: 7 mm + 1 ppm; Vertical: 14 mm + 1 ppm
  • Tilt Compensation: ±2 mm + 0.3 mm/° tilt
  • Dual Cameras: Full HD CMOS, factory-calibrated
  • AR & Image Tools: Stakeout in AR, measure from images via Emlid Flow
  • Update Rate: Up to 10 Hz
  • Radios: 868/915 MHz (LoRa), 410–470 MHz (UHF, 2 W)
  • Connectivity: Bluetooth 5.1, Wi-Fi, RS-232, USB-C
  • Ingress Protection: IP68
  • Battery Life: 16 hrs (RTK with tilt), 22 hrs (logging)
  • Operating Temperature: -40°F to +149°F (–40°C to +65°C)
  • Storage: 16 GB
  • Position Output: NMEA, LLH/XYZ
  • Weight: 2.11 lbs.

The Emlid Reach RS4 series is a new generation of all-band RTK GNSS receivers designed to deliver survey-grade accuracy with speed, simplicity, and modern field workflows. With support for all satellite constellations and full-frequency tracking (L1/L2/L5/L6), the RS4 and RS4 Pro offer centimeter-level precision even in the most challenging conditions—urban canyons, dense canopy, or near metal structures.

Each receiver is powered by a 672-channel GNSS chip and next-gen IMU-based tilt compensation that activates in seconds and stays accurate throughout the day—no calibration or magnetometer required. The custom quick-release mount ensures a firm, backlash-free connection to your survey pole, critical for accurate tilt measurements.

Built for the field, both models feature a rugged magnesium alloy body, IP68 protection, and 16-hour battery life with USB-C charging. Emlid Flow, the companion app for iOS and Android, provides streamlined data collection, stakeout tools, real-time cloud sync, and project collaboration.

Why Choose the RS4 Pro Receiver?

The Reach RS4 Pro builds on the RS4 platform with dual Full-HD cameras that enable:

  • AR Stakeout: Overlay CAD data in augmented reality with real-time visual guidance, even in complex or congested job sites.
  • Measurement from Images: Capture and calculate the coordinates of hard-to-access points, like facades, areas behind fences, or across roadways—directly from photos taken on site.

These advanced capabilities reduce setup time, increase crew efficiency, and open up new ways to measure where traditional GNSS tools can’t reach.

Reach RS4 GNSS Receiver

  • GNSS receiver
  • USB-C Cable
  • Carrying Case

Reach RS4 Pro GNSS Receiver

  • GNSS receiver
  • USB-C Cable
  • Carrying Case

The product you have looking at comes with a manufacturer's warranty of 1 year. This means that if there are any defects or malfunctions with the product during this warranty period, we will repair or replace it free of charge.

We believe in the quality and durability of our products, and we want you to have complete peace of mind when making your purchase. Our 1-year warranty is a testament to our confidence in the reliability and performance of this product.

We recommend that you keep a copy of your purchase receipt and the warranty information in a safe place for future reference. If you encounter any issues with your product, please do not hesitate to contact our customer service team, who will be happy to assist you.

We will issue a refund in the original form of payment for merchandise that is unused & in original packaging within 14 days of purchase. Any defective merchandise can be exchanged within 30 days of purchase.

Exclusions: 

  • Special Order items include Software, GPS, Total Stations, Utility Locators, or Leica Geosystems products. 

  • We do not accept returns for replacement parts for any reason other than an error on our part.

  • Once an order has shipped, it cannot be cancelled. You may refuse the order upon delivery, in which case the standard return policy for the item will apply, and we will deduct the return shipping costs from your refund credit.

All merchandise returned after 14 days of purchase will have a 20% restocking fee & refund will only be available as store credit. 

The customer is responsible for return
shipping of any returned products, some exclusions may apply.

We do not accept returns or cancellations for special ordered items.

Special Order items include GPS, Total Stations, Utility Locators, or Leica Geosystems products. 

  • Every product comes with Benchmark's lifetime support. If your confused on something, we have experts on staff ready to help with post-sale support. 
  • Certified Repair Center with quick turnaround on warranty repairs.
  • We ship from 6 different locations to ensure quick delivery
  • Pickup at any of our local stores
  • Available to answer questions or take orders by phone at 866-342-7665 (8am-5pm, M-F)

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