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this is an 4G DTU, serial RS485 to 4G converter, vendor USR.

pls read infomation about band & freq in different region or contact us 


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High performance rail type 4G DTU4Gcat.1 DTU, compact, easy to use, and cheaper High speed low latency Easy to install guide rail clips 5-mode 13 frequency Small size and easy to carry 4G full network connectivity Model Region (Operator) Cellular Type & Module LTE CAT4 DR504-G Global FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18B19/B20/B25/B26/B28 TDD: B38/B39/B40/B41 WCDMA: B1/B2/B4/B5/B6/B8/B19 GSM: B3/B8 LTE CAT4 FDD: B1/B3/B7/B8/B20/B28 DR504-EUX EMEA & APAC TDD: B38/B40/B41WCDMA: B1/B8GSM: B3/B8 LTE CAT4 DR504-EC EMEA FDD: B1/B3/B7/B8/B20/B28 WCDMA: B1/B8GSM: B3/B8 LTE CAT4 DR504-AUX Australia & Latin America FDD: B1/B2/B3/B4/B5/B7/B8/B28 TDD: B40 WCDMA: B1/B2/B4/B5/B8 Lian Doctor Series The Dr. Lian (DR) series is the latest rail series product launched by the Inter-net of Figures,Including different types of serial servers, 4G DTUs, 4G industriarouters, etc;Equipped with 35mm rail buckle, suitable for all rail type network-ing scenarios.The following are rail mounted 4G DTU products based on theoperator's network: USR-DR504 Ethernet Wi-Fi 4G Product Details PC+ABS material, lightweight and portable, with low cost; VO grade flame re-tardant to ensure safe use ofthe product Rail mounted Easy installation and wiring, small footprint, and easy to use with other raiproducts Ear mounted installation DIN-Rail Mounting Basic function between RS485 and 4G networks Supports RS485 serial port, enabling easy bidirectional data transmission Working mode Network transparent mode Supports two socket connections, TCP Client/Server, and UDPSupport for custom heartbeat and registration package functions lmplement bidirectional transparent transmission between user device data and the network ModbusRTU to ModbusTCP Protocol transparent UDC mode Help users avoid socket programming basics, thread management, protocol parsingThe difficulty of tedious operations such as device reading and writing, and the simple andfast completion of data transmission. Simply load DLL, Open service, view device list, select device to read and write data Complex mastery of SOKET programming basics, thread management, protoco parsing, device maintenance, list generation, device reading and writing HTTPD mode The HTTPD mode supports HTTP (GET/POST) submission of serial data to a specified server GET /1.php?SEND-ABC HTTP/ Accept.text/html Accept-Language.zh-CN Featured features User parameter configuration Supports serial port, network, and SMS AT command parameter configuration,and provides computer side configuration tools FOTA remote upgrade With the remote management platform, it can achieve seamless automatic firmware upgrade,Ensure long-term andreliable operation of differential algorithm with smallupgrade packages, saving upgrade traffic and time Application Cases Distribution box data collection With the small size and the ability to install rails, the USR-DR504 can be centrally installedin low-voltage distribution cabinets, saving space.And the 4G DTU has extremely fast response speed andcan send data to relevant controlplatforms in a timely manner. Durable all series EMC certified lead-free with 3-3/CE certification Customized development+professional technical support Widely Used In Various Industries Greenhouse farmland Smart Home Livestock and aquaculture Access controland security Intelligent parking Pump valve control Smart building Digital meter Work Modes Enable You To Navigate Various AutomationScenarios With ease In this mode, if the relay is not operated once, it will remain in a state of recovery for acertain period of time after flipping over Jog command Supports multiple simultaneous jogs ControlOutput Upper Computer Flash mode: If the relay is not operated once, it will close for a certain period of time andthen automatically disconnectFlashing mode: lf the relay is not operated once, it will open for a certain period of timeand then close itself Actual time=set number * 0.1, in seconds LOCAL LINKAGE In this mode, the control output makes corresponding actions based on the switchinput (linkage or state flip once) Electric Light Network interface WIFI Solenoid Valve Upper Computer Controller Electrical Machinery Other Equipment Switch input quantity NPN/Dry Contact Self reset/hold switch/sensor DUAL MACHINE LINKAGE MODE in this mode, two devices are paired to achieve interactive linkage control where the triggerand control points of the switch are not together, supporting (hold/self reset) switches andswitch sensors (NPN type) Network intertace/WIFI The distance between A and B is relatively long A-point controloutput Feedback input ofswitch value at point B Smart Home SolutionsThe controlinputis transmitted to
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Prompt: After submitting the Sample Request, the sales will contact you in time