Stonex S850+ is equipped with all the necessary connections, has built-in Bluetooth and internal Wi-Fi capabilities; has a built-in UHF radio and 4G GSM modem compatible worldwide. Stonex S850+ also integrates the IMU system that enables inclined measurement (TILT) up to 60° : quick initialization, fast and accurate surveying.
S850+ |
RECEIVER
Satellite signals tracked | GPS: L1 C/A, L1C, L2P, L2C, L5 GLONASS: L1, L2, L3 BEIDOU: B1I, B2I, B3I, B1C, B2a, B2b GALILEO: E1, E5a, E5b, E6 QZSS: L1, L2, L5 IRNSS: L5 SBAS |
PPP | B2b PPP, HAS |
Channels | 1408 |
Position Rate | Up to 20 Hz |
Signal Reacquisition | < 1 s |
RTK Signal Initialization | Typically < 10 s |
Hot Start | Typically < 15 s |
Initialization Reliability | > 99.9% |
OS | Linux |
Internal Memory | 8 GB |
Tilt Sensor | IMU |
POSITIONING
High Precision Static Surveying
Horizontal | 2.5 mm + 0.5 ppm RMS |
Vertical | 5.0 mm + 0.5 ppm RMS |
Code Differential Positioning
Accuracy | 0.40 m RMS |
SBAS Positioning
Accuracy | 0.60 m RMS |
Real-Time Kinematic (<30 km) – Network RTK
Fixed RTK Horizontal | 8 mm + 1 ppm RMS |
Fixed RTK Vertical | 15 mm + 1 ppm RMS |
INTEGRATED GNSS ANTENNA
High accuracy multi-constellation micro-strip antenna, zero phase center, with internal multipath suppressive board
INTERNAL RADIO
Type | Tx – Rx |
Frequency Range | 410 – 470 MHz |
Channel Spacing | 12.5 kHz / 25 kHz |
Maximum Range | 3–4 km in urban environment; up to 10 km with optimal conditions |
INTERNAL MODEM
LTE FDD | B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28 |
LTE TDD | B38/B39/B40/B41 |
UMTS | B1/B2/B4/B5/B6/B8/B19 |
GSM | B2/B3/B5/B8 |
SIM | Nano SIM card |
COMMUNICATION
I/O Connectors | 5-pin Lemo (external power & radio)Type-C (receiver power & data transfer) |
Bluetooth | V2.1 + EDR / V5.0 |
Wi-Fi | 802.11 a/ac/b/g/n |
Web UI | Software upgrades, status, settings, data download via smartphone/tablet/PC |
Reference outputs | RTCM2.3, RTCM3.0, RTCM3.2 MSM, CMR, CMR+, DGPS |
Navigation outputs | NMEA 0183 |
POWER SUPPLY
Battery | Internal rechargeable 7.2 V – 6900 mAh |
Voltage | 9–28 V DC external power input (5-pin Lemo) with over-voltage protection |
Working Time | Up to 10 hours |
Charge Time | Typically 4 hours |
PHYSICAL SPECIFICATION
Dimensions | 140 mm × 140 mm × 71 mm |
Weight | 1.1 kg (with battery) |
Operating Temperature | -30°C to 65°C (-22°F to 149°F) |
Storage Temperature | -40°C to 80°C (-40°F to 176°F) |
Waterproof / Dustproof | IP67 |
Shock Resistance | 2 m pole drop on hardwood floor without damage |
Vibration | Vibration resistant |