SE5901B Series

SE5901B Series

ATOP SE5901B Series – Serial-Cellular Gateway w/ 1 x RS-232/485 Serial



ATOP SE5901B Series – 3G/4G LTE Cellular to Ethernet and Serial Secure Industrial Gateway

SE5901B, Atop’s Industrial Serial to Ethernet and Cellular Gateway is a high-performance, cost effective gateway for serial signal communications; allowing almost any serial device to be connected to Ethernet network and providing connectivity to the world. Its powerful CPU provides up to 37.9Mbps* software-assisted AES encryption for protecting your data flow through the Internet with a secure IPsec VPN tunnel.


  • Extensive 3G and LTE Band Support
    – EU: 2100/1800/850/2600/900/800MHz (B1/B3/B5/B7/B8/B20)
    – US: 1900/AWS/850/700/700/1900MHz (B2/B4/B5/B13/B17/B25)
  • High-performance VPN throughput, data-rate up to 37.9Mbps*
  • Supports OpenVPN, PPTP and IPsec
  • Wide temperature, industrial grade platform
  • 1 x 10/100/1000Mbps Ethernet port
  • 1-port RS-232/485, baud rate up to 921.6 Kbps
  • 1-Port USB2.0 high speed OTG + 1-Port USB Power only
  • TCP Server/Client, UDP, Virtual COM supported
  • 2 Digital Inputs/ 2 Digital outputs in I/O version
  • Additional embedded power-bank for fault-relay capability (B version)

Ordering Information

Part NameArticle NumberDescription
SE5901B-D3G-EU 3G (EU) 1 (DB9)
SE5901B-IO-D3G-EU 3G (EU) 1 (TB) +1 RS232 2/2 –
SE5901B-IO-D3G-GPS-EU 3G (EU) 1 (TB) +1 RS232 2/2 GPS
SE5901B-4G-EU 4G (EU) 1 (DB9)
SE5901B-IO-4G-EU 4G (EU) 1 (TB) +1 RS232 2/2
SE5901B-IO-4G-GPS-EU 4G (EU) 1 (TB) +1 RS232 2/2 GPS
SE5901B-4G-B-EU 4G (EU) 1 (DB9) – Battery
SE5901B-IO-4G-B-EU 4G (EU) 1 (TB) +1 RS232 2/2
SE5901B-IO-4G-B-EU 4G (EU) 1 (TB) +1 RS232 2/2 GPS Battery