Emlid Base and Rover Kit
Often Bought Together
Reach RS4 Pro Bumper
$49
Reach RS4 Pro and Reach RS4 to use as a base and a rover
Build a powerful RTK GNSS setup with this versatile kit. Use the RS4 as a fixed base station and pair it with the RS4 Pro — which is equipped with dual cameras — as your rover. Together, they provide accurate positioning and effortless stakeout, making them ideal for surveying, mapping and advanced fieldwork.
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
Package includes
- Reach RS4 Pro
- Reach RS4
- 2x Carrying case
- 2x USB Type-C cable
- 2x LoRa Antenna 860-930 MHz
- 2x UHF Antenna 410-470 MHz
- 2x Quick release adapter
- Reach RS4 Bumper
- Reach RS4 Pro Bumper
Shipping from Chicago
2-7 days by FedEx or UPS
Specifications
Specification
| Image sensors: | 1/2.6 in, CMOS, global shutter, Full HD |
|---|---|
| Field of view | |
| Front camera: | H 64.6°, V: 42.8° |
| Bottom camera: | H 63°, V: 42° |
| Video frame rate: | 25 fps |
| Dimensions: | 128.6 x 128.6 x 99.3 mm |
|---|---|
| Weight: | 943 g (2.08 lb) |
| Operating tº: | -40 to +65 °C (-40 to 149 °F) |
| Ingress protection: | IP68 |
| Autonomy: | 16 hrs as RTK rover with tilt |
|---|---|
| Battery: | Li-Ion 5000 mAh, 7.2 V, 36 Wh |
| Charging: | USB Type-C (PD) 5V—3A, 9V—3A, 12V—3A, 15V—3A |
| Static: | H 4 mm + 0.5 ppm | V: 8 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 + 2 mm + 0.3 mm/° |
| Convergence time: | ~5 s typically |
| Corrections: | NTRIP, RTCM3 |
|---|---|
| Position output: | NMEA, LLH/XYZ |
| Data logging: | RINEX, NMEA, LLH/XYZ, UBX |
| Internal storage: | 16 GB |
| Signal tracked: | 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 |
|---|---|
| Number of channels: | 672 |
| Update rates: | up to 10 Hz |
| Lora radio* | |
|---|---|
| Frequency range: | 868/915 MHz |
| Power: | Up to 1W |
| Distance: | Up to 8 km |
| UHF radio* | |
| Frequency range: | 410 - 470 MHz |
| Power: | Up to 2W |
| Protocols: | TRIMTALK 450S** |
| Modulation type: | GMSK |
| LTE modem | |
| Regions: | Global |
| Bands: | FDD-LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28 TD-LTE: 38, 39, 40, 41 UMTS (UHPS/FDD): 1, 2, 5, 8 Quad-band, 850/1900, 900/1800 MHz |
| SIM card: | Nano-SIM |
| Wi-Fi: | 802.11 b/g/n |
| Bluetooth: | Bluetooth 5.1 (BR/EDR + LE) |
| Ports: | RS-232, USB Type-C |
| *Use the correct antenna, LoRa or UHF, for your setup. | |
| **TRIMTALK is a trademark of Trimble Inc. | |
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
943 g (2.08 lb)
927 g (2.04 lb)
280 g (0.61 lb)
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.
Tilt Compensation
Base and rover setup
Coding
Points, lines, and polygons
Inverse & Traverse
WMS layers
DTM support
Stakeout reports
CSV, DXF, SHP, and KML