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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Teltonika RS485 IoT Gateway | TRB145Robust and Compact Industrial IoT Gateway The Teltonika TRB145 is a mission critical LTE Cat 1 IoT gateway specifically designed for industrial applications. Its compact design and rugged aluminum housing make it perfect for remotely controlling a single device over the RS485 interface. Engineered for reliability, this gateway is ideal for upgrading legacy 2G 3G systems and ensuring seamless M2M IoT communication. Key Features: Connectivity: Reliable
Robust and Compact Industrial IoT Gateway
The Teltonika TRB145 is a mission-critical LTE Cat 1 IoT gateway specifically designed for industrial applications. Its compact design and rugged aluminum housing make it perfect for remotely controlling a single device over the RS485 interface. Engineered for reliability, this gateway is ideal for upgrading legacy 2G/3G systems and ensuring seamless M2M/IoT communication.
Key Features:
- Connectivity: Reliable 4G/LTE (Cat 1), 3G, and 2G connectivity.
- RS485 Interface: Equipped for serial communication with support for Full Duplex (4 wires) and Half Duplex (2 wires).
- Industrial Grade: Built to withstand harsh environments with a wide operating temperature range of -40° C to 75° C.
- Advanced Software: Features Linux-based RutOS with support for SMS control, Firewall, OpenVPN, IPsec, and compatibility with Teltonika's Remote Management System (RMS).
- Compact and Easy to Install: Its small size allows for easy integration into various industrial setups.
Detailed Specifications
| Hardware | |
| Mobile | 4G/LTE (Cat 1), 3G, 2G |
| CPU | ARM Cortex-A7, 1.2 GHz |
| RAM | 128 MBytes (50 MBytes available for user space) |
| Flash Storage | 512 MBytes (70 MBytes available for user space) |
| Powering option | 4-pin industrial DC power socket, 9 - 30 VDC |
| SIM slot | Mini SIM (2FF) |
| Antenna connector | 1 x SMA for LTE |
| RS485 | Full Duplex (4 wires) and Half Duplex (2 wires), baud rate 300-115200 |
| Input/Output | 2 x Digital Input/Output (configurable) |
| Other | 1 x Micro-USB |
| Software | |
| Operating System | RutOS (Linux OS with Yocto SDK) |
| Network | NAT, Static/Dynamic routing, Firewall, OpenVPN, IPsec, DDNS |
| RS485 related services | Modbus, Serial over IP, NTRIP |
| Remote management | RMS Support, FOTA support, SSH, CLI, SMS Utilities |
| Mechanical & Environmental | |
| Housing | Aluminium housing with DIN rail mounting option |
| Operating temperature | -40° C to 75° C |
| Operating humidity | 10% to 90% non-condensing |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 2237 reviews
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Product Reviews
★★★★★ 5
Great Quality, Great Price.
Color: Black
I have used this for a few days now and it works great. It is very well made and has a large range of adjustability. It is quite small and easy to store. Definitely worth the money.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Nice Grinder at a Great Price
Color: Black
I bought this to use primarily as a travel grinder and found that it is great for every day use. It is not meant for large amounts but it is perfect for single, smaller brewing situations. The grind selection worked well and I "dialed" the proper ground size for my single sized pour over coffee maker.
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Reviewed in the United States on May 19, 2026
★★★★★ 1
Ceramic burr destroyed itself
Color: Silver
For the first two-plus months it worked fine -- the perfect grind and the perfect amount with a full barrel for my oversized coffee mug.
I've been using it once daily, more or less, on a medium grind setting of 25, and this morning the ceramic burr started to eat itself. This is not acceptable.
Follow up:
Circle Joy contacted me and offered to give a full refund on this purchase, which was gratefully accepted. This is outstanding customer service.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Best price for better tasting coffee
Color: Silver
I am a coffee snob. I only get beans. I have been using a magic bullet blender to grind, which actually does extremely well, but the grind wasn't quite even enough. So I found the cheapest, ok quality grinder I could and bought this one. I absolutely love it. It take a while to grind, and it only does a little at once, but whatever. This thing works great and my grounds are now even. The burrs seem to be of decent quality and the whole device works smoothly.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Reliable favorite kitchen tool
Color: Blue
This wonderful tool may be the most used tool in our kitchen. The hardest thing about it is to remember you can push the button and it runs- you don't have to hold it!. The charge on the rechargable battery last a long time- about 1 recharge per month- and we use it daily. We use the mixer attachment most. It works great for protein powders, collagen, iced tea or lemonade mix. It cleans easily and is waterproof- just make sure the cover is over the charging port. We have used it to froth milk, whip eggs, and as I said we use it daily to mix beverages. I worried about the price, but it is a great value because we bought it in December 2024 and it is more powerful and has already lasted longer than two whimpy ones.
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Reviewed in the United States on October 28, 2025