Amazon.com: Teltonika RUTX11100400 Model RUTX11 Dual SIM Router 4G LTE Cat6 DL Up to 300Mbps, 3G Up to 42 Mbps, 4x1GB Ethernet Ports, Dual-Band AC WiFi, Bluetooth LE and USB Interfaces :
Teltonika RUT240 Industrial Cellular Router - CAT4, One SIM, 1 WAN, 1 LAN, WIFI 2.4 (AT&T, T-Mobile) - Olympian LED
USER MANUAL
Teltonika RUT240 Setup Guide | SORACOM Developers
Teltonika RUT240 Setup Guide | SORACOM Developers
User manual Teltonika RUT240 (English - 150 pages)
Teltonika RUT240 LTE CAT4 Router (AT&T, T-Mobile)
Amazon.com: Teltonika RUT24002U000 Model RUT240 Industrial 3G/4G LTE Cellular Router for Verizon; Automatic Switch to Available Backup Connection; Wireless Access Point with Hotspot Functionality : Electronics
TELTONIKA RUT240 LTE 4G WiFi Router with Integrated Modem User Guide - Manuals+
USER MANUAL
RUT240 Mobile (legacy WebUI) - Teltonika Networks Wiki