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ID: 1184205
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zł183.17 tax excl.

Module for wireless data transmission over LTE Cat. 1. It supports communication within the MQTT protocol, which enables the use of cloud services such as AWS, Alibaba Cloud and Thingsboard. USR-DR502-E

Available quantity: 8

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free shipping in Poland for all orders over 500 PLN


Same day shipping

If your payment will be credited to our account by 11:00


14 days for return

Each consumer can return the purchased goods within 14 days


The LTE Cat. 1 is a wireless data transmission device that provides a stable internet connection on LTE Cat. 1. It supports GSM/EDGE communication on frequencies 900/1800 MHz.


Transmission speeds are up to 10 Mbps (download) and 5 Mbps (upload). The module supports PDU SMS, TCP client/server, UDP client/server, DNS modes and supports data encryption via SSL/TLS. It allows the use of popular IoT Cloud platforms thanks to communication via the MQTT protocol. The module is equipped with RS485 serial interface and a USB 2.0 interface.


The device allows user-defined packages to be customised to meet the requirements of specific applications. Configuration of the device is possible both via the website and via AT commands. The module is panel-mounted. It can be powered by a voltage range of 9 to 36 V. The operating status is indicated by POWER, WORK, NET and LINK indicators. It is resistant to harsh operating conditions, making it suitable for a variety of applications.


  • TCP/UDP/HTTPD/SMS transmission
  • Supports TCP/UDP/IPV4/IPV6/HTTP/MQTT/DNS/SSL/TLS protocols
  • Frequency bands:
    • LTE Cat. 1: B1/B3/B7/B8/B20/B28
    • GSM/GPRS/EDGE: 900/1800MHz
  • Transmission speed:
    • LTE Cat. 1: 10 Mbps (download), 5 Mbps (upload)
    • GPRS: 85.6 Kbps (download), 85.6 Kbps (upload)
  • Cloud support: MQTT via AWS IOT, Thingsboard, Alibaba Cloud, EMQX, Tuya,Cumulocity IoT, etc.
  • EFT/Surge IEC 61000-4-5 Level 3
  • ESD IEC 61000-4-2 Level 3
  • Hardware watchdog
  • Configuration via SMS, network, AT commands
  • Remote update via FOTA
  • USB 2.0 interface
  • RS485 serial interface
  • Serial baud rate: 1200 to 230400 bps
  • Antenna connector: SMA female
  • DIN rail mounting
  • LED indicator: POWER, WORK, NET, LINK
  • Reset button
  • Power supply: 9 to 36 V
  • Power consumption: <3 W
  • Operating temperature: -35℃ to 75℃
  • Relative humidity: 5% to 95%
  • Dimensions: 44.5 x 31.8 x 13.94 mm

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