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Cellular Modems PUSR IOT's cellular modems are available in 2G, 3G, 4G LTE cat4 network, the cellular modems are compact and intelligent. PUSR IOT's cellular modems are disigned for industrial solutions which are suit perfectly to M2M / IoT applications in harsh environm
Cat-4 LTE modems
LTE Cat 1 modems
Cat M modems
GPRS modems
Cat-4 LTE modems
USR-G786-G 4G Cellular Modems with Global Bands
● Work Mode: Transparent Mode, HTTPD Client Mode, SMS Mode
● TCP Server/Client,UDP, Modbus RTU to TCP
● RS485/232 to 4G modems
● EFT/Surge IEC 61000-4-5 Level 3
● ESD IEC 61000-4-2 Level 3
● Hardware watchdog
● SMS,NET,Serial AT command configuration
USR-DR504-G Din Rail RS485 Industrial cellular Modems
● DIN-Rail
● Work Mode: Transparent Mode, HTTPD Client Mode, SMS Mode
● TCP Server/Client,UDP, Modbus RTU to TCP

● RS485 to 4G modems
● EFT/Surge IEC 61000-4-5 Level 3
● ESD IEC 61000-4-2 Level 3
● Hardware watchdog
● SMS,NET,Serial AT command configuration

USR-G781 Cellular Modem Routers
● Serial to 4G Modems
● 2 RJ45 port, WAN and LAN can be selected
● Supports IPsec VPN, PPTP,L2TP, OPENVPN,GRE etc.
● ESD,Surge,EFT protection.
● Supports 2G/3G/4G network all over the world ,supports APN/VPDN sim card
● Supports multiple modes: network transparent transmission mode, Modbus RTU to Modbus TCP, HTTPD mode, etc.
LTE Cat 1 modems
USR-G771-E LTE CAT 1 Serial Cellular Modem
● Support desktop installation
● TCP/UDP/HTTPD/SMS transparent transmission
● TCP/UDP/IPV4/IPV6/HTTP/MQTT/DNS/SSL/TLS
● Cloud support: MQTT via AWS IOT, Thingsboard, Alibaba Cloud, EMQX, Tuya,Cumulocity IoT and so on.
● EFT/Surge IEC 61000-4-5 Level 3;
● ESD IEC 61000-4-2 Level 3
● Hardware watchdog
● SMS,NET,Serial AT command configuration
USR-DR154/152/150 Asia Version Din Rail 4G LTE modems
● DIN-Rail cellular Modem USR-DR154/152
● Compact size|High integration | 4G LET Cat 1 network
● USR-DR154 is an ultra-small modem which has the advantages of high speed,
● Low latency and simple to use. It has an external slot for SIM cards
USR-DR502-E Cost-effective DIN-Rail 4G LTE Cat 1 Modem
● Guide rail installation
● TCP/UDP/HTTPD/SMS transparent transmission
● TCP /UDP/IPV4/IPV6/HTTP/MQTT/DNS/SSL/TLS
● Cloud support: MQTT via AWS IOT, Thingsboard, Alibaba Cloud, EMQX, Tuya,Cumulocity IoT and so on.
● EFT/Surge IEC 61000-4-5 Level 3;
● ESD IEC 61000-4-2 Level 3
● Hardware watchdog
● SMS,NET,Serial AT command configuration
Cat M modems
USR-MB706 LTE Cat M serial modem
● LTE Cat M1,Cat NB2,EGPR
● Ransparent (TCP Client/Server, UDP Client/Server), COAP, DNS,modbus RTU/TCP
● Cat M1 /Cat NB2 / GSM/EDGE
● RS232/RS485 interface easy to connect to serial port sensors
● EFT/Surge IEC 61000-4-5 Level 3;
● ESD IEC 61000-4-2 Level 3
● Hardware watchdog
GPRS modems
USR-GPRS232-730 GSM Modem RS232/485
● Quad-band GSM/GPRS/EDGE 850/900/1800/1900 MHz
● Support RS232 or RS485 Port
● SMS command, AT command
Product Commonality
Protection Of Industry
Adopts industrial design, 7*24 hours high load all weather reliable work, to meet the outdoor poor working environment needs.
Support level 4 ESD (static), level 3 surge (surge), level 3 EFT (electrical fast transient), internal process watchdog, and external hardware watchdog to ensure proper operation of equipment and free from interference from external environment.
Transparent Transmission
Two-way data transmission between RS232/485/422 and Ethernet can be realized. That is, the Cellular Modems can convert the original data of the serial port into TCP/IP packets for transmission without changing the original data communication content. As a result, the DTU can be connected to various user devices using serial communication without modifying the user devices.
Remote FOTA Upgrade
With the remote management platform,it can realize the automatic firmware upgrade.
The difference algorithm upgrade package is small,saving upgrade traffic and time.
Quality Assurance
For 10 years of advance, we have always been remaining true to the concept of reliability and stability in building our quality strength. Our products have passed the certification of the ISO9001 quality management system. With nearly 100 patents and software copyrights, we have won many certificates from authoritative bodies, such as network access licenses of the Ministry of Industry and Information Technology, CCC,CE,FCC,RoHS,KCC,WEEE,TELEC,IC and SRRC.
Modbus Transmission
Modbus protocol adopts the mode of master station query slave station. The physical interface can be RS232, RS485, RS422, Rj45, and can also transmit data on various media.
The Modbus polling mechanism can effectively solve the problem of sticky congestion caused by data concurrency.
Industrial Protection
Adopts industrial design, 7*24 hours high load all weather reliable work, to meet the outdoor poor working environment needs.
supports Level 4 ESD (Static), level 3 Surge (Surge),level 3 EFT(Electrical Fast Transients),internal process watchdog and external hardware watchdog, to ensure normal operation of the equipment and immunity from the outside environment interference.
Solutions & Applications
Management Case of Intelligent Charging Piles It is expected that the global electric vehicle sales will climb to 2 million units in 2019. As a result, the electric vehicle charging facility will become increasingly significant in the future global transition to environmentally sustainable development.
Case of Natural Gas Transmission Pipeline Monitoring Remote monitoring: monitor the status of the pipelines in time and take necessary measures. Safe and stable: avoid some casualties caused by manual inspection. 4G signal covers a wide range and it cam ensure stable data transmission.
Elevator Safety Monitoring It is urgent to track and understand the operating status of elevators in real time to minimize the occurrence of accidents. To this end, USR IOT provides a series of hardware networking equipment to help elevator manufacturers realize the transmission of status data.
Don't hesitate to contact PUSR.
Reliable products and services around you!
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Contact Us
Email : inquiry@usriot.com
Tel : +86-531-88826739
Fax : +86-531-88826739-808
Address : Floor 12 and 13, CEIBS
of Maolingshan, Lixia District, Jinan,
Shandong, China
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