Teltonika TRB236 – IoT-Gateway

Teltonika TRB236 – IoT gateway

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Teltonika TRB236 – IoT gateway. Key specifications for your installation:

Ethernet: 1 x ETH port, 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX crossover
Connector: 2-pin in 16-pin industrial terminal block
Dimensions (W x H x D): 83 x 25 x 79.8 mm

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SKU: TN-TRB236 Category: IoT gateways Brand:

Delivery time: 5–7 business days

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Teltonika TRB236 – IoT gateway

Teltonika TRB236 – IoT gatewaySKU: TN-TRB236

Please include the model or order code, quantity and required regional version. We will confirm price, availability and delivery with your quote.

Teltonika TRB236 – IoT gateway

Input voltage range: 9–57 VDC, overvoltage protection 60 V max, reverse polarity protection 80 V max, surge protection with 64.4 V min / 71.2 V max breakdown voltage and 93.6 V maximum reverse voltage at 4.3 A maximum reverse surge current
Dimensions (W x H x D): 83 x 25 x 79.8 mm
Operating temperature: -40 °C to 75 °C

Technical specifications

Mobile

Mobile module*	4G LTE Cat 4 up to 150 DL/50 UL Mbps; 3G up to 21 DL/5.76 UL Mbps
Note	Feature availability varies by order code (TRB236 0****)
Mobile module**	4G LTE Cat 1 up to 10 DL/5 UL Mbps; 2G up to 236.8 DL/236.8 UL Kbps
Note	Feature availability varies by order code (TRB236 A***)
3GPP Release	Release 9
Status	Cellular identity and radio diagnostics: IMSI, ICCID, operator/state, connection/network type, bandwidth/band, RSSI, SINR, RSRP, RSRQ, EC/IO, RSCP, traffic counters, LAC/TAC/cell ID, ARFCN/UARFCN/EARFCN and MCC/MNC.
SMS	SMS status/configuration; email, HTTP and SMS forwarding; scheduling, automatic replies and SMPP.
USSD	Send and read USSD messages.
Block/Allow list	Operator or country based block/allow lists.
Multiple PDN	Multiple PDNs for separate network connections and services.
Band management	Band locking and active-band display.
SIM idle protection service	Periodically connect through the unused SIM to reduce inactivity-related SIM blocking.
SIM PIN code management	Set, change or disable the SIM PIN.
APN	Auto APN
Bridge	Bridge the cellular provider connection to a LAN device.
Passthrough	Assign the cellular WAN address to a LAN device.

Ethernet

Ethernet	1 x ETH port, 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX crossover

System Characteristics

CPU	Mediatek, 580 MHz, MIPS 24KEc
RAM	128 MB
FLASH storage	16 MB

Input/Output

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
Events	Email, RMS, SMS
I/O juggler	Trigger events from configurable I/O conditions.

Power

Connector	2-pin in 16-pin industrial terminal block
Input voltage range	9–57 VDC, overvoltage protection 60 V max, reverse polarity protection 80 V max, surge protection with 64.4 V min / 71.2 V max breakdown voltage and 93.6 V maximum reverse voltage at 4.3 A maximum reverse surge current
Power consumption	Idle: < 2 W, Max: < 5 W

Physical Interfaces

Ethernet	1 x RJ45 port, 10/100 Mbps
I/O’s	3 x Configurable digital I/O in 16-pin terminal block, 1x analog input
Status LEDs	2 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 Mobile
RS232	4-pin in 16-pin terminal block (TX, RX, RTS, CTS)
RS485	4-pin in 16-pin terminal block (D+, D-, R+, R-)
Reset	Reboot/User default reset/Factory reset button

Physical Specification

Casing material	Anodised aluminium housing and panels
Dimensions (W x H x D)	83 x 25 x 79.8 mm
Weight	175 g
Mounting options	DIN rail, wall mount, flat surface (all require additional kit)

Operating Environment

Operating temperature	-40 °C to 75 °C
Operating humidity	10% to 90% non-condensing
Ingress Protection Rating	IP30

Note	Illustrations show the version matching order-code family TRB236 0*****.

Network

Routing	Static routing, Dynamic routing (BGP, OSPF v2, RIP v1/v2, EIGRP, NHRP), Policy based routing
Network protocols	TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, SFTP, FTP, SMTP, SSL/TLS, ARP, VRRP, PPP, PPPoE, UPNP, SSH, DHCP, Telnet, SMPP, SNMP, MQTT, Wake On Lan (WOL), VXLAN
VoIP passthrough support	NAT helpers for H.323 and SIP ALG.
Connection monitoring	Ping/Wget and periodic reboot; LCP/ICMP link checks.
Firewall	Port forwarding, traffic/custom rules and adjustable TTL targets.
Firewall status page	Firewall rules, counters and statistics in the status view.
Port management	Enable/disable ports; configure speed and auto-negotiation.
Network topology	Topology view of connected network devices.
Hotspot	Captive portal with internal/external RADIUS, RADIUS MAC, SMS and SSO authentication; internal/external landing page, walled garden, scripts, URL parameters, users/groups and limits; 9 editable themes with theme import/export.
DHCP	Static/dynamic allocation, DHCP relay/server, status and static MAC leases with wildcards.
QoS / Smart Queue Management (SQM)	Priority queues by source/destination, service, protocol or port; WMM and 802.11e.
DDNS	More than 77 preconfigured providers; additional providers configurable manually.
DNS over HTTPS	DNS proxy using HTTPS for encrypted DNS queries.
Network backup	Automatic failover options: cellular, wired and VRRP.
SSHFS	Mount remote file systems through SSH.
Traffic Management	Live traffic monitoring, radio-signal charts and usage history.

Security

Authentication	PSK, digital/X.509 certificates, TACACS+ and internal/external RADIUS; IP/login blocking, timed lockouts and random password generation.
Firewall	WebUI presets and CLI configuration; DMZ, NAT, NAT-T and NAT64.
Attack prevention	DoS protections for SYN flood, SSH and HTTP/HTTPS; scan detection for SYN-FIN, SYN-RST, X-mas, NULL and FIN.
VLAN	Tag-based VLAN separation
Mobile quota control	Cellular data limits with period, start time, warning threshold and notification number.
WEB filter	Website blocklists and allowlists.
Access control	Access rules for SSH, WebUI, CLI and Telnet.
Certificate Manager	Create CA, server/client, Let’s Encrypt and SCEP certificates.

VPN

OpenVPN	Simultaneous server and multiple clients; 27 encryption options.
OpenVPN Encryption	DES-CBC 64, RC2-CBC 128, DES-EDE-CBC 128, DES-EDE3-CBC 192, DESX-CBC 192, BF-CBC 128, RC2-40-CBC 40, CAST5-CBC 128, RC2-64-CBC 64, AES-128-CBC 128, AES-128-CFB 128, AES-128-CFB1 128, AES-128-CFB8 128, AES-128-OFB 128, AES-128-GCM 128, AES-192-CFB 192, AES-192-CFB1 192, AES-192-CFB8 192, AES-192-OFB 192, AES-192-CBC 192, AES-192-GCM 192, AES-256-GCM 256, AES-256-CFB 256, AES-256-CFB1 256, AES-256-CFB8 256, AES-256-OFB 256, AES-256-CBC 256
IPsec	XFRM, IKEv1, IKEv2, with 14 encryption methods for IPsec (3DES, DES, AES128, AES192, AES256, AES128GCM8, AES192GCM8, AES256GCM8, AES128GCM12, AES192GCM12, AES256GCM12, AES128GCM16, AES192GCM16, AES256GCM16)
GRE	GRE and GRE over IPsec tunnels.
PPTP, L2TP	Concurrent client/server instances; L2TPv3 and L2TP over IPsec.
Stunnel	TLS proxy for existing client/server applications.
DMVPN	Scalable IPsec VPN: phase 2, phase 3 and dual-hub operation.
SSTP	SSTP client.
ZeroTier	ZeroTier client.
WireGuard	WireGuard client and server.
Tinc	Tinc client/server with encryption, authentication and compression.

BacNET

Supported modes	Router
Supported connection types	IP, RTU (RS485)
Configuration options	Multiple BACnet/IP interfaces, network-number assignment and preset BDT entries for BBMD.

OPC UA

Supported modes	Client, Server
Supported connection types	TCP

MODBUS

Supported modes	Server, Client
Supported connection types	RTU (RS232, RS485), TCP
Custom registers	File backed custom Modbus TCP register blocks for read/write requests.
Supported data formats	8-bit: INT, UINT; 16-bit: INT, UINT (MSB or LSB first); 32-bit: float, INT, UINT (ABCD (big-endian), DCBA (little-endian), CDAB, BADC), HEX, ASCII

Data to Server

Protocol	HTTP(S), MQTT, Azure MQTT
Data to server	Collect parameters across sources/protocols and transmit to one server; custom Lua scripts supported.

MQTT Gateway

Modbus MQTT Gateway	Read Modbus-server data and send commands through an MQTT broker.

DNP3

Supported modes	Station, Outstation
Supported connection types	RS232, RS485, TCP

DLMS/COSEM

DLMS Support	DLMS - standard protocol for utility meter data exchange. Support trough serial and TCP
Supported modes	Client
Supported connection types	RS232, RS485, TCP

API

Teltonika Networks Web API (beta) support	Configurable API endpoints to read/change device data; developer documentation available.

Monitoring & Management

WEB UI	HTTP/HTTPS administration: status, settings, firmware, CLI, diagnostics, remote/event/system/kernel logs and update notifications.
FOTA	Server based firmware updates with notifications.
SSH	SSH (v1, v2)
SMS	Status and configuration by SMS.
Call	Call triggered reboot/status, cellular and output switching; timed answer/hang-up.
TR-069	OpenACS, EasyCwmp, ACSLite, tGem, LibreACS, GenieACS, FreeACS, LibCWMP, Friendly tech, AVSystem
MQTT	MQTT Broker, MQTT publisher
SNMP	SNMP (v1, v2, v3), SNMP Trap, Brute force protection
JSON-RPC	Management API through HTTP/HTTPS.
RMS	Teltonika Remote Management System (RMS)

IoT Platforms

ThingWorx	Monitor WAN type/IP, operator, cellular signal and network type.
Cumulocity - Cloud of Things	Monitor device/revision/serial, WAN, cell ID, ICCID/IMEI, connection, operator and signal; remote reboot and firmware updates.
Azure IoT Hub	Cloud telemetry through Data to Server; RutOS API direct methods; Plug and Play with Device Provisioning Service.
AWS IoT Core	AWS IoT integration with device API calls through AWS Jobs.

Firmware/Configuration

WEB UI	Local/server firmware update, configuration profiles and backups.
FOTA	Firmware update.
RMS	Batch firmware/configuration updates for multiple devices.
Keep settings	Retain configuration during firmware updates.
Factory settings reset	Restore manufacturer defaults, including IP, PIN and user data settings.

FIRMWARE CUSTOMISATION

Operating system	RutOS (OpenWrt based Linux OS)
Supported languages	Busybox shell, Lua, C, C++
Development tools	SDK with build environment.
GPL customization	Customize firmware branding, colours, logos and web applications.
Package Manager	Install additional software packages on the device.

Serial

RS232	Terminal block connector: TX, RX, RTS, CTS
RS485	Terminal block connector: D+, D-, R+, R- (2 or 4 wire interface)
Serial functions	Console, Serial over IP, Modem, MODBUS gateway, NTRIP Client

Accessories with manufacturer-listed compatibility

Check connector, regional version and any limitations on the accessory page.

Documentation and downloads

Technical information checked against the linked manufacturer page on 17 October 2026. Radio bands, approvals and package contents can depend on the full order code and region. Software features depend on firmware, configuration and any additional packages or licences. Price and availability are confirmed on enquiry.

Manufacturer	Teltonika Networks
Model	TRB236
Feature 1	LTE 450
Feature 2	RS232 / RS485
Feature 3	Ethernet
Physical Interfaces – Ethernet	1 x RJ45 port, 10/100 Mbps
Physical Interfaces – I/O’s	3 x Configurable digital I/O in 16-pin terminal block, 1x analog input
Physical Interfaces – Status LEDs	2 x connection status LEDs, 3 x connection strength LEDs, 1 x power LED, 1 x ETH port status LED
Physical Interfaces – SIM	2 x SIM slots (Mini SIM – 2FF), 1.8 V/3 V, double stacked SIM tray
Physical Interfaces – Power	1 x 16-pin terminal block
Physical Interfaces – Antennas	1 x SMA connector for Mobile
Physical Interfaces – RS232	4-pin in 16-pin terminal block (TX, RX, RTS, CTS)
Physical Interfaces – RS485	4-pin in 16-pin terminal block (D+, D-, R+, R-)
Physical Interfaces – Reset	Reboot/User default reset/Factory reset button
Power – Connector	2-pin in 16-pin industrial terminal block
Power – Input voltage range	9–57 VDC, overvoltage protection 60 V max, reverse polarity protection 80 V max, surge protection with 64.4 V min / 71.2 V max breakdown voltage and 93.6 V maximum reverse voltage at 4.3 A maximum reverse surge current
Power – Power consumption	Idle: < 2 W, Max: < 5 W
Physical Specification – Casing material	Anodised aluminium housing and panels
Physical Specification – Dimensions (W x H x D)	83 x 25 x 79.8 mm
Physical Specification – Weight	175 g
Physical Specification – Mounting options	DIN rail, wall mount, flat surface (all require additional kit)
Operating Environment – Operating temperature	-40 °C to 75 °C
Operating Environment – Operating humidity	10% to 90% non-condensing
Operating Environment – Ingress Protection Rating	IP30
System Characteristics – CPU	Mediatek, 580 MHz, MIPS 24KEc
System Characteristics – RAM	128 MB
System Characteristics – FLASH storage	16 MB
Ethernet – Ethernet	1 x ETH port, 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX crossover

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