Cellular 
Technology 4G LTE Cat 4, 3G (WCDMA)，2G（GSM）
Frequency JC371-EU:
FDD-LTE: B1/B3/B5/B7/B8/B20/B28A
TDD-LTE: B38/B40/B41
WCDMA: B1/B5/B8
GSM: B3/B8
JC371-NA:
FDD-LTE: B2/B4/B5/B12/B13/B14/B66/B71
WCDMA: B2/B4/B5
JC371-LA:
FDD-LTE: B1/B2/B3/B4/B5/B7/B8/B28/B66
TDD-LTE: B40
WCDMA: B1/B2/B4/B5/B8
GSM: B2/B3/B5/B8

GNSS 
Positioning system GPS, BDS, AGPS

Camera 
Camera support 1080P x 3
Video format .ts

Power 
Input voltage DC 9–30V

Operating environment 
Operating temperature –20°C to +70°C
Storage temperature –30°C to +85°C

Physical specification 
Dimensions 118.0 x 77.0 x 31.0mm
Weight 283g

Interface 
LED indication Red (Power), Blue (Cellular), Green (GNSS), White (AI)
SIM Nano-SIM
Internal memory EMMC 128GB
External memory TF card (up to 256 GB)
USB Type-C
WiFi 2.4GHz, Support AP Mode/STA Mode/WiFi Direct
Bluetooth N/A
Microphone Support
Speaker Support
Digital I/Os 2*SOS, 2*Relay, 2*Reserved inputs
Analog I/Os N/A
Serial ports 2*TTL
Sensor 6-Axis accelerometer

Feature 
ADAS FCW, HMW, LDW, PCW
DMS (Optional) Phone use, Smoking, Distraction, Yawning, Eyes closed, No face detected
Configuration support GPRS, SMS, Memory card, APP
Firmware update USB Cable, Memory card, OTA
Certification FCC，PTCRB，CE
*Optional Configuration required to be customized or purchased separately.