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AlphaGEO L300

GPS (GNSS) receiver with long-range radio
  • Dual integrated radio transmitter, 2W power:
  • A | LoRa radio with range up to 15 km, under AlphaTalk protocol
  • B | Tx/Rx radio with range up to 8 km, with various protocols compatible with many brands.
  • Possibility to use as Base or Rover
  • 6 constellations and 1,408 channels
  • RTK and PPK
  • Robust FIX connection in challenging environments (under trees, urban environments, near tall buildings)
  • SurPro professional field application
  • IP67 protection (withstands drops of up to 2 m in height)

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AlphaGEO L300

Description

Topographic GPS receiver with dual high power radio transmitters. Perfect for use as a base. Alpha GEO (a-GEO) Legend L300. Medium - low price.

Specifications

GNSS PERFORMANCE
Satellites GPS: L1 C/A, L2C, L2P, L5
GLONASS: L1C/A, L1P, L2 C/A, L2P
BEIDOU: B1, B2, B3, B1C, B2a, B2b
GALILEO: E1, E5a, E5b
SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM
IRNSS: L5
QZSS: L1, L2C, L5
Channels 1408
Cold start < 60 seconds
Hot start < 15 seconds
RTK signal initialisation < 10 seconds
Initialisation reliability > 99,9%
Time accuracy 20 ns
Update rate 1 Hz - 20 Hz
High-precision statics H: 2,5 mm + 0,5 ppm
V: 5 mm + 0,5 ppm
RTK H: 8 mm + 0,5 ppm
V: 15 mm + 0,5 ppm
DGPS H: 0,25 m + 1 ppm
V: 0,5 m + 1 ppm
SBAS Height: 0.3 m
V: 0.6 m
Corrections CMR, CMR+, RTCM2, RTCM3, RTCM32, RTCM3, RTCM3, RTCM3, RTCM3, RTCM3, RTCM32
Data output Outputs Dat, Rinex, NMEA

 

ENERGY
Battery Rechargeable
6800 mA internal lithium-ion battery
Supports USB Type-C fast charging
Voltage 9 - 24 V DC
Battery life Rover: 12h / Base: 7h / Static: 15h

 

INTERNET
Cellular modem Integrated full-frequency multi-band 4G multi-band modem, supporting WCDMA / CDMA2000 / TDD-LTE / FDD-LTE

 

SYSTEM
Operating system Linux
Internal memory 8 GB
Bluetooth Bluetooth V4.0 fully integrated, range < 50 m
Wi-Fi 802.11 a/b/g/n/ac
SIM card Nano-Sim support
CNC Internal radio connector
5-pin LEMO port Supports power input, serial port control and external radio communication
USB Type-C port Data download / Upload
Web user interface View status, update firmware, set working mode, download data, etc.
Voice Intelligent voice prompts
Tilt compensation (IMU) Quick initialisation, dynamic tilt lift up to 60

 

PHYSICAL CHARACTERISTICS
Material Magnesium alloy
Dimensions Φ150 mm x H71 mm
Weight 1 kg
Operating temperature -40 °C ~ +75 °C
Storage temperature -55 °C ~ +85 °C
Water/dustproof IP67 dust-proof, protected from 30 minutes immersion to a depth of 1 m (3 ft)
Impact Withstands fall from 2 m onto concrete
Vibration MIL-STD-810G
Humidity 100% condensing
Indicators Satellites, data link, battery, Bluetooth
Button Power key
INTERNAL RADIO
Type TX / RX
Transmission power 1.5w Switchable, working range can reach 15 km
Operating range 5 - 15 km typically
Frequency range 410 - 470 MHz Supports frequency adjustment
Protocol AlphaTalk15, Satel, PCC-EOT, TrimTalk, SOUTH
Relay station CORS, Radio relay

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