- Pre-Order
Reach RS4 Pro Essential Kit
$4,995 tax excl.
Free shipping from Chicago (2-7 days)
Often Bought Together
Reach RS4 Pro with everything you need to use it as a rover
Reach RS4 Pro is an all-band RTK GNSS receiver with dual cameras and tilt compensation. Comes with a mobile app.
Two Full-HD cameras
AR guidance for stakeout Measurements from images
High precision
RTK: 7 mm + 1 ppm
Tilt compensation: RTK: 2 mm + 0.3 mm/°
All-band support
GPS: L1C/A, L2C, L5
GLONASS: L1OF, L2OF
Galileo: E1-B/C, E5a, E6
BeiDou: B1I, B1C, B2a, B3I
QZSS: L1C/A, L1C/B11, L2C, L5
NavIC: L1-SPS Data, L5-SPS
Base and rover
915 MHz LoRa 450 MHz UHF NTRIP
Rugged and powerful
16 hours on one charge Magnesium alloy body IP68 rating Withstands temperatures from -40 to +65°C (-40 to +149ºF)
Explore all Reach RS4 Pro features and user reviews
Pre-order today and get a free quick-release adapter!
Package includes
- Reach RS4 Pro
- Carrying case
- USB Type-C cable
- LoRa Antenna 860-930 MHz
- UHF Antenna 410-470 MHz
- Reach RS4 Pro Bumper
- Survey pole with a smartphone mount
- Quick release adapter - FREE
Shipping from Chicago
2-7 days by FedEx or UPS
Pair It With
Which Receiver Is Right for You?

Reach RS4 Pro

Reach RS4

Reach RX2
Precision
RTK
H: 7 mm + 1 ppm
V: 14 mm + 1 ppm
PPK
H: 5 mm + 0.5 ppm
V: 10 mm + 1 ppm
RTK
H: 7 mm + 1 ppm
V: 14 mm + 1 ppm
PPK
H: 5 mm + 0.5 ppm
V: 10 mm + 1 ppm
RTK
H: 7 mm + 1 ppm
V: 14 mm +1 ppm
Tilt compensation
RTK + 2mm + 0.3mm/°
RTK + 2 mm + 0.3 mm/°
RTK + 2 mm + 0.3 mm/°
Camera
✔︎
—
—
Base mode
✔︎
✔︎
—
Data logging
✔︎
✔︎
—
Connectivity
LoRa / UHF / NTRIP
LoRa / UHF / NTRIP
NTRIP via Bluetooth from
a smartphone/tablet
Battery life
16 hrs as RTK rover with
tilt
16 hrs as LTE RTK rover
16 hrs
Weight
920 g
920 g
280 g
Ingress protection
IP68
IP68
IP68
Comes With Software for the Field and the Office
The Emlid Flow mobile app efficiently manages all field-related tasks, including receiver configuration, RINEX logging, data collection, and stakeout. In its web version—Emlid Flow 360—you can prepare and manage projects, and quickly export and share your data.
The basic features are available for free to all users. Upgrade your Emlid Flow and Flow 360 with a single subscription.