Teltonika TRB256 Industrial NB-IoT Gateway
The TRB256 is an industrial 4G LTE NB-IoT gateway designed to be applied to a broad range of IoT solutions. The device is equipped with multiple interfaces, such as I/Os, RS232, RS485, and an Ethernet port, additionally boasting dual SIM functionality for continuous connectivity. This industrial-grade gateway also supports the 450 MHz frequency band, offering superior LTE signal penetration compared to standard frequencies, making it an optimal choice for a diverse range of M2M applications.
Specification
Mobile module
4G LTE Cat M1 up to 588 DL/ 1119 UL kbps, Cat NB2 up to 127 DL/158.5 UL kbps, Cat NB1 up to 32 DL/70 UL kbps (simultaneous operation of cellular and GNSS connectivity is not supported)
Bridge
Direct connection (bridge) between mobile ISP and device on LAN
Passthrough
Gateway assigns its mobile WAN IP address to another device on LAN
Ethernet
1 x ETH port, 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX crossover
CPU
Mediatek, 580 MHz, MIPS 24KEc
RAM
128 MB
FLASH storage
16 MB
Input
3x Configurable Digital Inputs, 0 - 6 V detected as logic low, 8 - 30 V detected as logic high, 1x Analog input (0 - 30 V)
Output
3x Configurable Digital Outputs, Open collector output, max output 30 V, 300 mA
Connector
2-pin in 16-pin industrial terminal block
Input voltage range
9 – 30 VDC, reverse polarity protection, surge protection +/-1 kV 50 µs max
Power consumption
Idle: <2 W, Max: <3.5 W
Ethernet
1 x RJ45 port, 10/100 Mbps
I/O’s
3 x Configurable digital I/O in 16-pin terminal block
Status LEDs
3 x connection status LEDs, 3 x connection strength LEDs, 1 x power LED, 1 x Eth port status LED
SIM
2 x SIM slots (Mini SIM – 2FF), 1.8 V/3 V, double stacked SIM tray
Power
1 x 16-pin terminal block
Antennas
1 x SMA connector for LTE, 1 x SMA connector for GNSS
RS232
4-pin in 16-pin terminal block (TX, RX, RTS, CTS)
RS485
4-pin in 16-pin terminal block (D+, D-, R+, R-)
Casing material
Aluminium housing
Mounting options
DIN rail, wall mount, flat surface (all require additional kit)
Operating temperature
-40 °C to 75 °C
Operating humidity
10% to 90% non-condensing
Ingress Protection Rating
IP30
