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Overview

RLTK421 is a high-performance industrial 4G wireless router with serial port and Data Terminal Unit (DTU) functionality. Thanks to the public wireless network it uses, it offers users an integrated solution of industrial 4G routing and DTU.

This product features a high-performance CPU with a processor frequency of up to 580MHz. Based on various hardware interfaces and powerful software functions, users can quickly set up their own networks. The Internet of Things (IoT) is widely used in the M2M industry and provides a reliable data transmission network for smart grids, personal medical care, smart homes, self-service terminals, industrial automation, environmental protection agriculture, municipal services, and other fields.

General Features​

Stable and Reliable​

  • Industrial design, metal casing, IP30 protection class.
  • Wall mounting and DIN rail mounting options are available for easy installation.
  • Reverse voltage protection and wide voltage input are provided.
  • Can be used in various scenarios with DIN rail and panel mounting.
  • ESD, surge, and EFT protection.
  • The hardware monitoring device and connection detection mechanism have the ability to self-renew from unexpected failures and guarantee system stability.

Flexible Network Structure​

  • 4G network is provided and is compatible with 3G/2G networks.
  • Supports automatic network control, facilitates switching between 4G/3G/2G networks, and supports APN/VPDN cards.
  • Provides simultaneous support for wireless (4G) and wired networks and has multi-network backup functionality.
  • Supports 2.4 GHz Wi-Fi and allows flexible selection between wired or wireless networks.
  • Supports VPN (PPTP, L2TP, IPSEC, OpenVPN, GRE) and VPN encryption.

Advanced Functions​

  • Supports remote monitoring, remote updates, email alerts, and remote access to the internal web page.
  • Supports serial-Ethernet communication and is compatible with basic routing functions and DTU functions, meeting various application scenarios.
  • Contains 1 x 10/100Mbps LAN port and 1 x WAN/LAN port.
  • Supports WLAN wireless network and has multiple LED indicators.
  • Supports simultaneous connection to wired or wireless networks and has multi-network backup functionality.
  • Supports automatic APN network control, facilitates system switching, supports display of SIM information, and supports APN/VPDN network cards.
  • Supports DDNS, PPPoE, DHCP, and static IP.
  • Supports firewall, NAT, whitelist/blacklist, SNAT, and DNAT.
  • Supports traffic services, and you can set network speed limiting rules based on interfaces, IP addresses, and MAC addresses if needed.
  • Supports SSH, Telnet, and web configuration.
  • Supports connection to our remote monitoring platform for remote monitoring, remote upgrading, and remote configuration.
  • Supports hardware reset and ensures system stability using the hardware monitoring device.