GeoMax Zenith 25 Pro Series

Description
Q-Lock technology: Lowest noise and multipath mitigation
Satellites (Max. number tracked simultaneously): 60
Channels: 120
GPS tracking: L1, L2, L2C
GLONASS tracking: L1, L2
BeiDou tracking:
Zenith 25 Pro 4 – B1,B2
Zenith 25 Pro – B1*
Galileo tracking:
Zenith 25 Pro 4 – E1, E5b*
Zenith 25 Pro – E1*
Positioning rate:
Zenith 25 Pro 4 – 20Hz*, 5Hz
Zenith 25 Pro – 20Hz*, 5Hz
SBAS: EGNOS, WAAS, MSAS, GAGAN

ACCURACY**
Static H/V (mm + ppm):
Zenith 25 Pro 4 – 3 + 0.5 / 5 + 0.5
Zenith 25 Pro – 3 + 0.5 / 5 + 0.5
Static long H/V (mm + ppm):
Zenith 25 Pro 4 – 3 + 0.1/ 3.5 + 0.4
Zenith 25 Pro – 3 + 0.1 / 3.5 + 0.4
Kinematic H/V (mm + ppm):
Zenith 25 Pro 4 – 8 + 1 / 15 + 1
Zenith 25 Pro – 8 + 1 / 15 + 1

COMMUNICATION
GSM/GPRS module: Quad-Band GSM & Penta-Band ; UMTS 800 /850 /900 /1900 /2100 MHz ; internal antenna
UHF radio module :
1000 mW transceiver; 406 – 480 MHz ;
Zenith 25 Pro 4 – Yes
Zenith 25 Pro – Optional
Bluetooth: Device class II
Communication port: USB, serial and power

INTERFACES
Keyboard: On/off and function keys
LED status and mode indicators: Position, battery, Bluetooth, RTK receive, RTK transmit, storage card ; Rover, base, static
Data recording: 8 GB removable microSD card
GSM / TCP / IP: Removable SIM card

POWER SUPPLY
External power / Internal battery: 10.5 V to 28 V / Removable 2.6 Ah ; 7.4
Operating time (static/rover): 9 h / 6 h

PHYSICAL SPECIFICATIONS
Dimensions / Weight Height: 95 mm, ø 198 mm / 1.2 kg incl. battery & UHF Radio
Operating temperature: – 40°C to 65°C
Protection class: IP68 – withstands dust and immersion in water
Humidity: 100%, condensing
Vibration: Mechanical stress resistant according ISO 9022-36-05
Shock: Withstands 2m topple over onto hard surface


*Optional
** Measurement accuracy and reliability are dependent on various factors including satellite, geometry, obstructions, observation time, ionospheric conditions, multipath, etc. Figures quoted assume normal to favourable conditions.