InDTU332 Industrial Cellular Modem

Reliable Serial to Cellular Communication

The InDTU332 cellular modem provides wireless data communications between field serial devices and the central control system to enable remote control of industrial field sites.

Featuring rugged design, high reliability and easy-to-use features, the InDTU332 is ideal for M2M and IoT applications including distribution automation, smart metering, water & wastewater, heating, street light monitoring and etc. It is available with LTE CAT M1 and CAT NB1 globally.

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Description
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Description

The InDTU332 cellular modem provides wireless data communications between field serial devices and the central control system to enable remote control of industrial field sites.

Industrial Design

● Industrial-grade chip of ultra-low power consumption, adaptable to various power supply modes

● Wide operating temperature: -40°C~70°C

● Wide voltage input: 5~35VDC

● Solid housing, IP30 protection

● Compact-sized, easy to fit and integrate

● CE, FCC certified

Other InHand Products:

InRouter615-S Series Industrial LTE Router | InRouter900 Industrial LTE M2M Router | InGateway902 Edge Computing Gateway

InDTU332 Specifications:

Items	InDTU332G
Network Connection
Internet Access	APN, VPDN
Authentication	CHAP/PAP
Network Type	GPRS or eMTC/NB-IoT(LTE Cat M1/NB1)
Network Protocol
Network Protocol	Ping, DNS, transparent TCP/UDP, InHand DC TCP/DC UDP, user-defined login/heartbeat data packet
Protocol Conversion	Modbus RTU/TCP protocol conversion
Network Security
Multi-level Authorization	User levels: administrator, maintenance staff
Certification Security	Support login security certification
Reliability
Reliable Upgrade	Patent upgrade mechanism, ensures reliable upgrade
Link Connection Detection	Send heartbeat packet detection, auto connect once disconnected
Embedded Watchdog	Device operation self-detection technology, and self-recovery from operation faults
Network Management
Configuration Method	Local serial port, RTool, InHand Device Manager, SMS (InDTU332G only)
Configuration Backup	Support import and export of configuration files
Upgrade Method	Patent upgrade mechanism, upgrade firmware through local serial port or remotely
Log	Support local and remote viewing of logs, facilitate engineers to check device operating status
Dial-on-Demand	Data activation, timed on/off, SMS activation, phone activation (InDTU332G only)
Network Management	Support InHand Device Manager remote central management
Interface
Serial Port	2 x Logic serial ports: Serial port 1: RS-232/485 (Optional) Serial port 2: RS-232
	RS-232 signal: TXD, RXD, GND RS-485 signal: 485+, 485-, GND
	8 PIN industrial terminal, 3.81mm pitch
SIM Card Slot	1.8V/3V, card slot
Antenna	50Ω / SMA x 1
Mechanical Properties
Installation	Wall-mounting
Protection	IP30
Cooling	Fanless
Housing	ABS engineering plastics
Power Supply
Power Input	DC5-35V
Power Interface	Pluggable industrial terminal connection
Polarity Reverse Protection	Support
Overload Protection	Support
Consumption (@12V)	InDTU332G: 10mA (Standby), 40mA (Working), 45mA (Peak) InDTU332N: 16mA (Standby), 30mA (Working), 160mA (Peak)
Environment
Operating Temp.	-40 ~ 70℃
Storage Temp.	-40 ~ 85℃
Ambient Humidity	5 ~ 95% (non-condensing)
LED Indicators
LED	POWER, MODULE, SIM, STATUS
EMC Index
Static	EN61000-4-2, level 3
Surge	EN61000-4-5, level 3
Shock Wave Immunity	EN61000-4-12, Level 3
Certifications
InDTU332G: CE, FCC InDTU332N: CE, FCC, PTCRB, IC, Verizon Wireless, AT&T