Complaint
2021 New Cheap CHC IMU RTK EFIX F4+F7 IMU For Land Surveying
F7 ROVER GNSS Performance | |
Channels | 824 channels |
GPS | L1,L2, L5 |
GLONASS | L1, L2 |
Galileo | E1, E5a, ESb |
BeiDou | B1, B2, B3 |
SBAS | L1 |
QZSS | L1,L2, L5 |
GNSS Accuracies | |
Real time kinematics (RTK) | Horizontal: 8 mm+ 1 ppm RMS Vertical: 15 mm+ 1 ppm RMS Initialization time: < 10s Iitaliation rlability:> 99.9% |
Post-processing kinematics (PPK) | Horizontal: 3 mm + 1 ppm RMS Vertical: 5 mm + 1 ppm RMS |
Post - processing static | Horizontal: 2.5 mm + 0.5 ppm RMS Vertical: 5 mm+ 0.5 ppm RMS |
Code differential | Horizontal: 0.4 m RMS Vertical: 0.8 m RMS |
Autonomous | Horizontal: 1.5 m RMS Vertical: 3.0 m RMS |
Positioning rate | 1Hz,5Hzand10Hz |
Time to first fix | Coldstart: < 45 s Hotstart: < 10s Signal re-acquisition:<1s |
RTK tilt compensation | Additional horizontal pole-tit uncertainty typically less than 10 mm + 0.7mm/° tilt |
Hardware | |
Size (LxWx H) | 119mmx119mmx85mm(4.7 inx4.7 inx 3.3 in) |
Weight | 0.77 kg (1 .60 Ib) |
Environment | Operating: -40°C to +65°C (-40°F to +149°F) Storage: -40°C to +85°C (-40°F to +185°F) |
Humidity | 100% condensation |
Ingress protection | IP67 waterproof and dustproof, protectec from temporary immersion to depth1m |
Shock | Survive a 2-meter pole drop |
Tilt sensor | Calibration-free IMU for pole- tilt compensation. Immune to magnetic disturban |
Front panel | 4 Status LED 2 Buttom |
Communication and Data Recording | |
| Wi-Fi | 802.11 b/g/n, access point mode |
Bluetooth | V4.1 |
Ports | 1 x USB Type-C port (data download, charging firmware update) 1 x UHF antenna port (TNC female) |
UHF radio | Standard Internal Rx: 430- 470 MHz Protocol: CHC, Transparent,TT450 Link rate: 9600 bps/ 19200 bps |
Data formats | CMR input and output RTCM 2.x, RTCM 3.x input and output NMEA 01 83 output HCN, HRC and RINEX static formats NTRIP Client (on PDA network) |
Data storage | 8 GB high-speed memory |
Electrical | |
Power consumption | 4 W (depending on user settings) |
Li-ion battery capacity | Built-in non-removable battery 6800 mAh |
Operating time on | RTK Rover: 12 h |
internal battery (4) | Static: up to 15 h |
External power | 5V/2A |
F4 BASE GNSS Performance | |
Channels | 824 channels |
GPS | L1,L2, L5 |
GLONASS | L1, L2 |
Galileo | E1, E5a, ESb |
BeiDou | B1, B2, B3 |
SBAS | L1 |
QZSS | L1,L2, L5 |
GNSS Accuracies | |
Real time kinematics (RTK) | Horizontal: 8 mm+ 1 ppm RMS Vertical: 15 mm+ 1 ppm RMS Initialization time: < 10s Iitaliation rlability:> 99.9% |
Post-processing kinematics (PPK) | Horizontal: 3 mm + 1 ppm RMS Vertical: 5 mm + 1 ppm RMS |
Post - processing static | Horizontal: 2.5 mm + 0.5 ppm RMS Vertical: 5 mm+ 0.5 ppm RMS |
Code differential | Horizontal: 0.4 m RMS Vertical: 0.8 m RMS |
Autonomous | Horizontal: 1.5 m RMS Vertical: 3.0 m RMS |
Positioning rate | 1Hz,5Hzand10Hz |
Time to first fix | Coldstart: < 45 s Hotstart: < 10s Signal re-acquisition:<1s |
RTK tilt compensation | Additional horizontal pole-tit uncertainty typically less than 10 mm + 0.7mm/° tilt |
Hardware | |
Size (LxWxH) | 160mmx158mmx96mm (6.3 inx6.2 in x 3.8 in) |
Weight | 1.48 kg (3.26 Ib) |
Environment | Operating: -40°C to +65°C (-40°F to +149°F) Storage: -40°C to +75 °C (-40°F to +167°F) |
Humidity | 95% |
Ingress protection | IP67 waterproof and dustproof, protected from temporary immersion to depth1m |
Shock | Survive a 2-meter pole drop |
Tilt sensor | EBubble leveling |
Front panel | 4 status LED 2 Buttons |
Communication and Data Recording | |
Network modem | Integrated 4G modem |
Wi-Fi | 802.11 b/g/n, access point mode |
Bluetooth | V4.1 |
Others | NFC |
Ports | 1 x 7-pin LEMO port " (external power, RS-232) 1 x UHF antenna port (TNC female) |
UHF radio | Standard Internal Rx: 410- 470 MHz Transmit Power: 0.5Wto 2W Protocol: CHC, Transparent, TT450 Range: Typical3 km to 5 km |
Data formats | CMR input and output RTCM 2.x RTCM 3.x input and output NMEA 0183 output HCN, HRC and RINEX static formats NTRIP Client, NTRIP Caster |
Data storage | 8GB high-speed memory |
Electrical | |
Power consumption | 3.8 W (depending on user settings) |
Li-ion battery capacity | Built-in non-removable battery 6800 mAh |
Operating time on internal battery (4) | UHF receive transmit (0.5 w:Up to 7h Cellular receive only: Up to 12h Static: Up to 12h 9VDC to 28 VDC |
External power | 5V/2A |
1. who are we?
We are based in Shanghai, China, start from 2016,sell to Southeast Asia(30.00%),Africa(25.00%),South America(15.00%),North America(10.00%),Mid East(5.00%),South Asia(5.00%),Eastern Europe(3.00%),Oceania(2.00%),Central America(2.00%),Southern Europe(2.00%),Eastern Asia(1.00%). There are total about 1-4 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
GNSS Receiver,Total Station,Level,UAV,Marine Product
4.why should you buy from us not from other suppliers?
Offer technical support and repair by our experts; Give survey consultance to fresh surveyors; Present suggestion on suitable equipment and software according to csutomer's project request
5. who are we what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Hindi
