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B2B GST Credit Available
- Stock: 30 in Stock
- SKU: 04231
- Delivery Time
- Bulk & B2B RFQ
USR-G771-CT RS232/RS485 to 4G CAT-1 DTU Data Converter Modem
USR-G771-E is a LTE CAT 1 secure cellular modem, which supports LTE and GSM, covers the mainstream frequency bands of European operators. It has perfect software function, supports TCP/UDP transparent transmission, TLS/SSL encryption transmission, SMS transmission, HTTPD Client mode and AT command configuration. Also, it is simple to configure, has high reliability and built-in hardware watchdog, supports FOTA upgrading.
USR-G771-E has wide-voltage power supply terminals and DC interface, standard RS232 and RS485 interfaces, meets the needs of different application scenarios. Cloud support: MQTT via AWS IOT, Thingsboard, Alibaba Cloud, EMQX, Tuya,Cumulocity IoT and so on.
- 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
Resource
- USR-G771 User Manual
- USR-G771 Datasheet
- USR-G771 AT Command
- USR-G771 LTE CAT-1 Modem
- USR-G771 M2M Cellular Modem


Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)








