Mid-Range GNSS Receiver

SP20 GNSS RTK System

Multifunctional geodesic GNSS receiver with IMU 60°, built-in 4G modem, 5W data radio, NFC, and IP68 protection.

SP20 GNSS RTK System

The SP20 is Spherefix’s portable multifunctional GNSS receiver — a new-generation measurement engine supporting tilt measurement, NFC, built-in 4G modem, Bluetooth, WiFi, and a 5W data radio. Magnesium alloy construction with Linux OS and IP68 protection.

Weight
0 g
Tilt Accuracy
< 0 cm
Battery Life
IP 0

Our Guarantees

IMU 60° Tilt — fast initialization; up to 60° inclination accuracy (≤2cm)

Multi-Constellation — 1408 channels: GPS, GLONASS, BDS, GALILEO, QZSS, SBAS, IRNSS

4G Modem — built-in 4G for fast, reliable internet in Rover mode

5W Data Radio — 410–470MHz, supports TRIMTALK, TRIMMK3, SOUTH, TRANSEOT protocols

NFC Connectivity — fast, contactless pairing and data exchange

IP68 Protection — fully submersible magnesium alloy body

PPP-B2b & PPP-E6 support for advanced precise point positioning

16+ Hour Battery — static mode supports 24-hour continuous collection

MODEL COMPARISON

Find the Right Spherefix for Your Project

SPECIFICATION
DETAILS

Hardware System

Processor
ARM Cortex-A7 1.8GHz
Operating System
Linux

GNSS

GPS
L1C/A, L1C, L2P(Y), L2C, L5
GLONASS
L1, L2, L3
BDS
B1I, B2I, B3I, B1C, B2a, B2b — PPP-B2b supported
GALILEO
E1, E5a, E5b, E6 — PPP-E6 supported
QZSS
L1, L2, L5
SBAS
L1
NavIC (IRNSS)
L5* (requires firmware support)
Channels
1408
Data Update Frequency
5Hz typical | 20Hz max
Recapture Time
<1 second
Cold Boot
<30 seconds

Positioning Accuracy (RMS)

Single GNSS
Horizontal: 1.5m | Vertical: 2.5m
DGPS
Horizontal: 0.4m | Vertical: 0.8m
RTK
Horizontal: ±(8mm+1ppm) | Vertical: ±(15mm+1ppm)
Static
Horizontal: ±(2.5mm+0.5ppm) | Vertical: ±(5mm+0.5ppm)
Speed Accuracy
0.2 m/s
Time Accuracy
10 ns
Tilt Compensation (60°)
<2cm

Communications

Bluetooth
BR+EDR+BLE
WiFi
802.11 b/g/n
NFC
Yes
4G Network
LTE FDD: B1/2/3/4/5/7/8/12/13/18/19/20/25/26/28 | LTE TDD: B38/39/40/41 | WCDMA: B1/2/4/5/6/8/19 | GSM: B2/3/5/8
Data Radio
Frequency: 410–470MHz | Power: 0.5W/1.5W | Protocol: TRIMTALK, TRIMMK3, SOUTH, TRANSEOT | Baud: 9600/19200bps
Storage
32 GB

Battery

Battery
3.7V, 9600mAh
Working Time
More than 16 hours (Typical, Rover, GSM) | 24h static mode
Charging
MTK PE+1.1/2.0 (9V/2A) | USB PD 12V/1.25A | 5V/3A

Environment & Physical

Working Temperature
-20°C to +60°C
Storage Temperature
-40°C to +85°C
Anti-vibration
Resistant to 1.5m drop with pole at room temperature
Protection Rating
IP68
Material
Magnesium alloy main body | ABS/PC top cover
Dimensions
Ø147.9mm × 68mm
Weight
740 g
BUNDLED CONTROLLER

C100T Data Controller

The SP10 kit includes the C100T — a versatile data controller crafted specifically for the surveying sector. Features an 18-hour battery, IP68 protection, and a 5.45-inch sunlight-readable display. Runs Android 11 with 4GB RAM and 64GB ROM.

5.45″ HD sunlight-readable touch screen

8-core 2.0GHz CPU  |  Android 11

4GB RAM + 64GB ROM

13MP rear camera

IP68 certified — water, shock & dust proof

9000mAh battery  |  up to 18 hours

Wi-Fi, Bluetooth, 4G, USB Type-C

Not Sure Which Model?

Contact our team for pricing, availability, and expert advice.

SP20 GNSS RTK System

Mid-Range | 740g | IP68 | 4G + Radio