Teltonika RUT281 Compact Global LTE Cat 4 Router
The RUT281 is a compact LTE router with a reliable Telit Cat 4 modem, engineered for stable performance and long-term operation across worldwide networks. Ensure always-on connectivity with SIM and eSIM, and use eSIM bootstrap for convenient initial profile download. Preserve network continuity with WAN failover, keeping systems online during connection loss in demanding environments. Enable flexible installations with compact 83 × 25 × 74 mm housing, ideal for space-constrained deployments.
Specification
Mobile module
4G LTE Cat 4 up to 150 DL/50 UL Mbps; 3G up to 21 DL/5.76 UL Mbps; 2G up to 236.8 DL/236.8 UL Kbps
Bridge
Direct connection (bridge) between mobile ISP and device on LAN
Passthrough
Router assigns its mobile WAN IP address to another device on LAN
WAN
1 x WAN port 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX
LAN
1 x LAN port, 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u standards, supports auto MDI/MDIX
Ethernet
2 x RJ45 ports, 10/100 Mbps
I/O’s
1 x Digital Input, 1 x Digital Output on 4-pin power connector
Status LEDs
3 x Connection type status LEDs, 5 x Connection strength LEDs, 2 x LAN status LEDs, 1 x Power LED
SIM
1 x SIM slot (Mini SIM – 2FF), 1.8 V/3 V, external SIM holder
Power
1 x 4-pin power connector
Antennas
2 x SMA for LTE, 1 x RP-SMA for Wi-Fi antenna connectors
CPU
Mediatek, 580 MHz, MIPS 24KEc
RAM
128 MB, DDR2
FLASH storage
32 MB, SPI Flash
Input
1 x Digital Input, 0 - 6 V detected as logic low, 8 - 30 V detected as logic high
Output
1 x Digital Output, Open collector output, max output 30 V, 300 mA
Connector
4-pin industrial DC power socket
Input voltage range
9 – 30 VDC, reverse polarity protection; surge protection >31 VDC 10us max
PoE (passive)
Passive PoE over spare pairs. Possibility to power up through LAN1 port, not compatible with IEEE802.3af, 802.3at and 802.3bt standards, Mode B, 9 - 30 VDC
Power consumption
Idle: < 2 W, Max: < 4 W
Casing material
Aluminium housing, plastic panels
Mounting options
DIN rail, wall mount, flat surface (all require additional kit)
Operating temperature
-40 °C to 65 °C
Operating humidity
10% to 90% non-condensing
Ingress Protection Rating
IP30