Richter GNSS Receiver
A new generation of measurement engine
Net plus - A21
Net Plus or A21 is a mini portable multifunctional GNSS receiver, a new generation of measurement engine, supports tilt measurement, built-in 4G module, all-network link, Bluetooth / WIFI, adopts a new design, magnesium alloy structure, Linux operating system, is a mini type, multi-functional, lightweight and portable geodetic GNSS receiver.
Linux smart system
Linux MDM9628 Cortex smart system platform brings users efficient computing and unlimited expansion of product functions.
Full system frequency GNSS receiver
The host integrated with high precision positioning module support BDS B1, GPS L1, GLONASS L1, Galileo E1, SBAS L1, QZSS L1, Full system full frequency signal receiving and processing.
Tilt measurement
Built intelligent high inertial navigation module real tilt compensation to avoid RTK measurement point
The best IMU technology of 2021
4G all link
The 4G all link solution based on the Linux platform fully supports Europe Mobile 2 network with better compatibility stronger signal and more stable connection
Combination type antenna
The new four antenna integrates GNSS WIFI Bluetooth and 4G with smaller dimension and better signal.
Long endurance
Built large intelligent lithium battery to ensure continuous working time over 9 hours.
Features
- Linux MDM9628 Cortex smart system platform
- Support BDS, GPS, GLONASS, Galileo, QZSS, SBAS
- Centimeter positioning
- Support tilt measurement meet the positioning accuracy of less than 2cm within the range of 60°
- Industrial design strong magnesium alloy housing IP67 safe and reliable
Product Parameters
| Configurations | Net Plus | A21 | |
|---|---|---|---|
| Hradware Platform | Qualcomm MDM9628 Cortex | Qualcomm MDM9628 Cortex | |
| Software Platform | Linux | Linux | |
| GNSS | GPS | L1, L2, L5 | L1, L2, L5 |
| GLONASS | L1, L2 | L1, L2 | |
| BDS | B1, B2, B3 | B1, B2, B3 | |
| GALILEO | E1, E5a, E5b | E1, E5a, E5b | |
| QZSS | L1, L2, L5 | L1, L2, L5 | |
| SBAS | L1 | L1 | |
| Channel | 430 | 800 | |
| Data format | NMEA | NMEA | |
| Correction I Protocol | RTCM2, RTCM3 | RTCM2, RTCM3 | |
| Data update rate | 5Hz | 5Hz | |
| Reacquisition time | >1s | >1s | |
| Cold start | >0s | >0s | |
| Positioning accuracy | Single point positioning (RMS) | Horizontal: 1 Vertical: 3 | Horizontal: 1 Vertical: 3 |
| DGPS (RMS) | Horizontal: 1 Vertical: 3 | Horizontal: 1 Vertical: 3 | |
| RTK (RMS) | Horizontal: ±(10mm) vertical: ±(15mm) | Horizontal: ±(10mm) vertical: ±(15mm) | |
| Time accuracy (RMS) | 20ns | 20ns | |
| Speed accuracy (RMS) | 0 | 0 | |
| Tilt compensation accuracy (within 60°) | > function is optional | > function is optional | |
| The system platform | Bluetooth | V2 V4 Dual mode | V2 V4 Dual mode |
| WIFI | 802 a b | 802 a b | |
| Cellular network communication | all link LTE FDD: B1 LTE TDD:B38 TD B34 CDMA:B1 WCDMA:B1 GSM:900 | all link LTE FDD: B1 LTE TDD:B38 TD B34 CDMA:B1 WCDMA:B1 GSM:900 | |
| Built in memory | 32GB | 32GB | |
| Indicator light | Power light | Power indicator | Power indicator |
| Satelite light | Flicker represents effective positioning | Flicker represents effective positioning | |
| Blurtooth light | Always on when blue tooth is connected | Always on when blue tooth is connected | |
| Data link light | Flicker when there is correction signal | Flicker when there is correction signal | |
| Battery | Endurance | < Hour under typical power consumption | < Hour under typical power consumption |
| Recharge | Support MTK PE 1 9V 16A Support USB PD 12V A Support 5V Support fast charging adapter adaptive dynamic adjustment of charging | Support MTK PE 1 9V 16A Support USB PD 12V A Support 5V Support fast charging adapter adaptive dynamic adjustment of charging | |
| Environmental features | Working temprature | °C~ °C | °C~ °C |
| Storage temprature | °C~ °C | °C~ °C | |
| Shock Resistance | Resistance to 1m drop with rod at room temprature | Resistance to 1m drop with rod at room temprature | |
| Protection rating | IP67 | IP67 | |
| Physical features | Materials | Magnesium alloy shell /PC Plastic lid | Magnesium alloy shell /PC Plastic lid |
| Dimension | 100mm | 100mm | |
| Weight | ≤0 | ≤0 | |
| Packing list | 1 set | 1 set | |
| 5V USB power adapter | 1 PCS | 1 PCS | |
| USB A to type C data cable | 1 PCS | 1 PCS | |
| Converter | 1 PCS | 1 PCS |