GV37CEU IP67 GNSS Tracker
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GV37CEU
LTE Cat 1 Bis fallback 2G waterproof GNSS tracker for a wide range of vehicle tracking applications
• IP67 Waterproof
• BLE 5.4
• LTE Cat1
The GV37CEU is an ultra-low cost LTE Cat 1 Bis Fallback 2G GNSS waterproof tracker. Its extremely compact design facilitates easy and covert installation. Its compact size and powerful features make it an ideal choice for a wide range of transportation monitoring applications such as automobile finance, stolen vehicle recovery, car leasing, and logistics.
• LTE Cat 1 Bis Fallback 2G
• 9 ~90V DC
• Compact Size
• Covert Installation
• Jamming Detection
• Scheduled Report
• Geo-fences
• Motion Detection
• Driving Behavior Monitoring
• Crash Detection & Accident
Reconstruction
• Tow Alarm
• OTA Control
Applications



Key functions
Environment specifications
- LTE Cat 1 with 2G fallback
- IP54 protection (splash-proof)
- Power supply: 9 ~ 90 V
- BLE 5.4
- Discreet (covert) installation
- Signal interference (jamming) detection
- Scheduled reporting
- Geo-fences
- Motion detection
- Driving behaviour monitoring
- Collision detection and accident reconstruction
- Towing alarm
- OTA control (Over-the-Air configuration)
- Dimensions: 76 × 36 × 16 mm (L × W × H)
- Weight: 41.5 g
- Operating temperature: −30 °C ~ +70 °C
- Storage temperature: −40 °C ~ +80 °C
- Power input: DC 9–90 V
- Internal emergency battery: Li-Polymer 200 mAh
- External battery voltage: 3.7 – 4.2 V DC

Interfaces and inputs
• Digital input: 1 × positive trigger input for ignition detection
• Configurable input: 1 × input configurable as analogue input (0 – 16 V) or negative input
• Digital output: 1 × output with internal latch circuit (open drain, max. 150 mA)
• Cellular antenna: internal
• GNSS antenna: internal
• BLE antenna: internal
• LED indicators: CEL, GNSS
• Micro-USB interface: for configuration and firmware updates
Network
LTE specifications
o Frequency bands (FDD): B1/B3/B7/B8/B20/B28
o Data transmission: DL max 10 Mbps / UL max 5 Mbps
GSM specifications
o Frequencies: 900/1800 MHz
o Data transmission: EDGE DL 236.8 kbps / UL 236.8 kbps - GPRS DL 85.6 kbps / UL 85.6 kbps
GNSS specifications
o Type: All-in-one GNSS receiver
o Constellations: GPS, Beidou, Galileo, GLONASS
o Sensitivity:
• Cold start −149 dBm
• Hot start −157 dBm
• Tracking −165 dBm
o Accuracy (CEP): < 2 m
o TTFF (Open air): Cold start avg. 28 s / Hot start avg
Communication/alarmfunctions
- Transmission protocols: TCP, UDP, SMS
- Scheduled reports: position and status based on time, distance or kilometres
- Geo-fences: support for up to 20 zones; alarm when leaving or parking
- Speed alarm: warning in case of abnormal speed
- Low battery alarm: notification when backup battery is almost empty
- Start-up notification: report when switched on
- SOS alarm: via emergency button in emergency situations
- Towing alarm: detection of towing when engine is switched off
- Jamming detection: warning when interference is detected
- Virtual ignition detection: based on voltage and accelerometer
- Driving behaviour monitoring: analysis of rough driving behaviour (hard braking, acceleration, etc.)
- Collision detection: recording of accident data for analysis
- Special alarms: via digital/analogue inputs
- Motion detection: based on internal 3-axis accelerometer
- Remote control: digital outputs controllable via OTA
GV37CEU Datasheet
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