WiFi and Mobile Network (SIM), it is with GPS system, it supports external RS485 probe with audio plug, we wil provid one global SIM card in the product package.

Size and Weight: 5.98 x 3.54 x 2.16, 528 ± 3g

Screen: 4 LCD with backlight

Sensors:
temperature: -4℉ to 140℉(-20℃ to 60℃)

accuracy: ±0.3℃

humidity: 10% to 90%

accuracy: ±3% RH

ambient light: 0.01 to 83K lux

accuracy: ±2%

Power Supply: built-in lithium battery can be charged by Type-C USB, DC (5V-12V) charger

Operation System: iOS 11+, Android 8.1+, or Windows 7+, or macOS v10.8+

Internal Memory: 300,000 sensing records

WiFi Information:
supports 20MHz or -Auto- setting supports OPEN, WEP, or WPA/WPA2 types, WPA2-Enterprise (802.1x / RADIUS authentication) network is not supported
requires 2.4GHz (802.11 b / g / n), channels 1-13 network (5GHz WiFi is NOT supported)

Mobile Network:
FDD-LTE: B1 / B3
TDD-LTE: B38 / B39 / B40 / B41
WCDMA: B1
TD-SCDMA: B34 / B39
CDMA: BC0
GSM: 900 / 1800MHz

GNSS:
GPS+GLONASS，QZSS＜2.5m (CEP-50 Autonomous @open sky)