TD200 Tesunho high power 2G/3G/4G modbus ip modem sms gateway rs232 gprs modem

It is a wireless terminal device specially designed to convert serial port data into IP data or convert IP data into serial port data for transmission over a wireless communication network.

DTU is an industrial-grade M2M wireless data transmission terminal. It is a key component of the IoT integrated application system. It uses the public wireless network to provide wireless data transmission services for users, and builds a bridge before data collection and application. More and more companies are choosing to use IoT wireless communication technology to increase system productivity, efficiency and cost effectiveness. Main application cases: power industry such as online transmission line monitoring, water industry such as remote monitoring of small rivers, industrial automation industry such as heat network monitoring, financial industry such as bank ATM network, transportation industry such as traffic flow detection.

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Hardware System


Industrial 32 bits CPU


512KB (Extendable)




Interface Type


1 RS232 port and 1 RS485(orRS422) port, 15KV ESD protection
Data bits: 5, 6 ,7, 8
Stop bits: 1, 2
Parity: none, even, odd, space, mark
Baud rate: 300~230400 bps


"Power", "ACT", "Online"


Standard SMA female interface, 50 ohm, lighting protection(optional)


Standard 3V/1.8V user card interface, 15KV ESD protection


Terminal block interface, reverse-voltage and overvoltage protection


Power Input

Standard Power

DC 12V/1A

Power Range

DC 5~35V

Working States

Power Consumption


60mA@12VDC 118mA@5VDC


20mA@12VDC 35mA@5VDC

Timing power off

0.6mA@12VDC 1mA@5VDC


Physical Characteristics


Iron, providing IP30 protection


91x58.5x22 mm




Environmental Limits

Operating Temperature

-35~+75ºC (-22~+167℉)

Storage Temperature

-40~+85ºC (-40~+185℉)

Operating Humidity

95% ( unfreezing)


Standard Packing

Payment Method

Trade Assurance  / Bank transfer / Western Union / MoneyGram / Paypal / L/C

Our Services

Tesunho is aim to be the leading industrial walkie talkie solution supplier. So our service consists of 3 important parts:

1. Basic Warranty:

√ Replacement: Free new walkie talkie if it can not work at once it arrives.

√ Free maintenance and parts (without artificial faulty ) :



Main Unit

365 days

Battery and Charger

90 days

Antenna and other parts


√ Paid maintenance and parts: for artificial faulty

2. Brand OEM service:

√ partly OEM service

√ complete OEM service

3. Technical ODM service:

√ partly OEM service

√ complete OEM service

3. Technical ODM service: 

We have abundant of experience on industrial needs customization
√ Rail way station communication device
√ Hotel inner wifi communication structure
√ Security Guard Patrol system with walkie talkie
√ Irrigation Patrol system
√ Intelligent Parking system
√ Logistics Management system


1.How POC Radio work?
A: It needed poc radio, sim card and real ptt account, contact us for more explaining
2.How to program radio?
A: It need real ptt account, real ptt account password, URL, Apn. Pls feel free to contact us, we will offer you programming instruction and guide one by one step.
3.What is your MOQ?
A: 2 piece for normal stock; different quantities for OEM or ODM,which is determined by different  task  workload. Kindly contact us for more information.
4.What is your payment terms?
A: 30% deposit in advance and 70% balance before shipment.

About Us:

about us.jpg

Fully Compatible with 4G/3G/2G Network

Ultra-Low Power Consumption design

High-powered industrial 32 bits CPU

Integration Terminal Data Transparent Transmission

RS232/RS485 ports:15KV ESD protection

SIM/UIM port: 15KV ESD protection

Design with standard TCP/IP protocol stack, Support APN/VPDN

Support multi data centers and it can support 5 data centers at the same time

Power range: DC 5~35V.


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