Teltonika OTD144 – router
- 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 Mbps
- Wireless mode: 802.11b/g/n (Wi-Fi 4), Access Point (AP), Station (STA)
- Input voltage range: 42.5–57.0 VDC, reverse polarity protection, voltage surge/transient protection
- Dimensions (W x H x D): 110 x 49.30 x 235 mm
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; 2G up to 236.8 DL/236.8 UL Mbps |
|---|---|
| 3GPP Release | Release 9 |
| SIM switch | 2 SIM cards, auto-switch cases: weak signal, data limit, SMS limit, roaming, no network, network denied, data connection fail, SIM idle protection |
| 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. |
| Band management | Band locking and active-band display. |
| 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 | Router assigns its mobile WAN IP address to another device on LAN |
Wireless
| Wireless mode | 802.11b/g/n (Wi-Fi 4), Access Point (AP), Station (STA) |
|---|---|
| Wi-Fi security | WPA2-Enterprise: PEAP, WPA2-PSK, WPA-EAP, WPA-PSK, WPA3-SAE, WPA3-EAP, OWE; AES-CCMP, TKIP, Auto-cipher modes, client separation, EAP-TLS with PKCS#12 certificates, disable auto-reconnect, 802.11w Protected Management Frames (PMF) |
| SSID/ESSID | SSID stealth mode and access control based on MAC address |
| Wi-Fi users | Up to 100 simultaneous connections |
| Wireless Connectivity Features | Wireless mesh (802.11s), fast roaming (802.11r), Radio Resource Measurement (802.11k), BSS Transition Management (802.11v), Client isolation, Hide SSID, WMM |
| Wireless MAC filter | Allowlist, blocklist |
| Wireless QR code generator | Join Wi-Fi by scanning a QR code. |
| TravelMate | Forward Wi-Fi hotspot landing page to a subsequent connected device |
Ethernet
| LAN | 2 x ETH ports (can be configured as WAN), 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, DDR2 |
| FLASH storage | 32 MB serial NOR flash |
Power
| Connector | RJ45 Socket |
|---|---|
| Input voltage range | 42.5–57.0 VDC, reverse polarity protection, voltage surge/transient protection |
| Input voltage range for PoE | 42.5–57.0 VDC, reverse polarity protection, voltage surge/transient protection |
| Power consumption | Idle: < 2.5 W / Max: < 6 W / PoE Max < 21 W |
Physical Interfaces
| Ethernet | 2 x RJ45 ports, 10/100 Mbps |
|---|---|
| Status LEDs | 3 x Mobile connection type, 3 x Mobile connection strength, 4 x ETH status LEDs |
| SIM | 2 x SIM slots (Mini SIM – 2FF), 1.8 V/3 V |
| Power | RJ45, PoE In, 42.5 – 57.0 VDC |
| Antennas | 2 x Internal antennas |
| Antennas specifications | 2 x 698 - 960 / 1710 - 2690MHz, 50 Ω, VSWR <3, gain <4.5 dBi, omnidirectional |
| Reset | Reboot/User default reset/Factory reset button |
Physical Specification
| Casing material | Plastic (PC+ASA) |
|---|---|
| Dimensions (W x H x D) | 110 x 49.30 x 235 mm |
| Weight | 315 g |
| Mounting options | Mounting bracket (for vertical flat surface or pole mounting) |
POE IN
| PoE ports | 1 x PoE In |
|---|---|
| PoE standards | 802.3af/at |
POE OUT
| PoE ports | 1 x PoE Out |
|---|---|
| PoE standards | 802.3af Alternative B |
| PoE Max Power per Port (at PSE) | 15 W Max (power supply unit dependent) |
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. |
| 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 | VRRP, Wired options, each of which can be used as an automatic Failover |
| 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. |
| 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 | Port based and tagged 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. |
| 802.1x | Port-based network access control server |
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. |
OPC UA
| Supported modes | Client, Server |
|---|---|
| Supported connection types | TCP |
MODBUS
| Supported modes | Server, Client |
|---|---|
| Supported connection types | 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 |
BacNET
| Supported modes | Router |
|---|---|
| Supported connection types | IP |
| Configuration options | Multiple BACnet/IP interfaces, network-number assignment and preset BDT entries for BBMD. |
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 | TCP |
DLMS/COSEM
| DLMS Support | Utility-meter data exchange using DLMS. |
|---|---|
| Supported modes | Client |
| Supported connection types | TCP |
API
| Teltonika Networks Web API (beta) support | Configurable API endpoints to read/change device data; developer documentation available. |
|---|
Site Manager
| Supported modes | Manager |
|---|---|
| Functionalities | Manage TAP access points and Teltonika managed switches: pairing/grouping, FOTA, status, scheduled reboot with ping/Wget checks, SSIDs and VLANs. |
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) |
| Receive email message status alerts of various services | |
| 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++, and Python, Java in Package manager |
| 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. |
Package contents and ordering versions
The manufacturer lists the following standard package; the complete order code can specify different contents:
- OTD144 Router
- Router Holder
- QSG (Quick Start Guide)
- Packaging Box
| Hardware / regional version | OTD144 0***** EMEA¹, Thailand, Australia, New Zealand |
|---|---|
| Frequencies | 4G (LTE-FDD): B1, B3, B5, B7, B8, B20, B28 4G (LTE-TDD): B38, B40, B41 3G: B1, B8 2G: B3, B8 |
| Order code / configuration | OTD144 000000 / Standard Package |
- 1 - Regional availability - excluding Russia, Belarus & Iran
Accessories with manufacturer-listed compatibility
Check connector, regional version and any limitations on the accessory page.
- Teltonika PR325EUB – EU Single Port Gigabit PoE Injector, 30 W
- Teltonika PR5MEC32 – RJ45 Dust Covers
- Teltonika PR2LA15B – Ethernet Cable 1.5M
Documentation and downloads
- Manufacturer page, datasheet and downloads
- GPL-Downloads
- Measurements and 3D models
- Software Development Kit
- User manual
- Firmware-Downloads
- Manufacturer knowledge base
- Certifications and approvals
- Quick start guide
- Manufacturer knowledge base
- API developer documentation
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.
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