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Description
Teltonika TRB246 Industrial 4G LTE IoT Gateway with RS232/RS485 & I/ORobust Industrial 4G LTE Gateway for Critical M2M Communication The Teltonika TRB246 is a versatile and rugged industrial 4G LTE gateway engineered for mission critical machine to machine (M2M) and Internet of Things (IoT) applications. Encased in a durable aluminum housing, the TRB246 is built to withstand extreme environmental conditions, making it the ideal connectivity solution for manufacturing, agriculture, smart city, and industrial automation
Robust Industrial 4G LTE Gateway for Critical M2M Communication
The Teltonika TRB246 is a versatile and rugged industrial 4G LTE gateway engineered for mission-critical machine-to-machine (M2M) and Internet of Things (IoT) applications. Encased in a durable aluminum housing, the TRB246 is built to withstand extreme environmental conditions, making it the ideal connectivity solution for manufacturing, agriculture, smart city, and industrial automation sectors. It provides reliable, secure, and seamless cellular connectivity for legacy and modern industrial equipment through its rich set of interfaces, including RS232, RS485, Ethernet, and a wide range of digital and analog I/Os.
Key Features for Uninterrupted Connectivity
- 4G LTE Cat 4 Connectivity: Delivers high-speed cellular communication with speeds up to 150 Mbps download and 50 Mbps upload, ensuring efficient data transmission.
- Dual SIM with Auto-Failover: Features two SIM card slots to provide redundant connectivity. It can automatically switch between operators in cases of weak signal, data limits, or network failure, guaranteeing continuous operation.
- Legacy Protocol Support: Equipped with essential serial interfaces (RS232 & RS485) and support for industrial protocols like Modbus, DNP3, and DLMS, allowing for seamless integration with a wide array of industrial machinery.
- Versatile I/O & Ethernet: A 16-pin terminal block offers configurable digital and analog inputs/outputs, while a 10/100 Mbps Ethernet port provides reliable wired connectivity.
- GNSS Positioning: Integrated GPS, GLONASS, BeiDou, Galileo, and QZSS capabilities allow for precise location tracking and geofencing applications.
- RutOS & Remote Management: Powered by RutOS, a secure and feature-rich operating system based on OpenWrt. The gateway is fully compatible with the Teltonika Remote Management System (RMS) for convenient monitoring and control of your entire device fleet.
- Industrial-Grade Durability: Designed with a rugged aluminum housing and an IP30 ingress protection rating, it operates reliably in a wide temperature range from -40 °C to 75 °C.
Comprehensive Technical Specifications
| Mobile | |
|---|---|
| Mobile Module | 4G LTE (Cat 4) up to 150 Mbps DL / 50 Mbps UL, 3G up to 42 Mbps DL, 2G up to 296 Kbps DL |
| SIM | 2 x SIM slots (Mini SIM - 2FF), 1.8 V/3 V |
| Antenna Connector | 1 x SMA for LTE |
| SIM Switch | Auto-switch cases: weak signal, data/SMS limit, roaming, no network, network denied, data connection fail |
| Hardware & Interfaces | |
| CPU | Mediatek, 580 MHz, MIPS 24KEc |
| RAM | 128 MB |
| FLASH Storage | 16 MB |
| Ethernet | 1 x RJ45 port, 10/100 Mbps |
| Inputs/Outputs | On 16-pin terminal block: 3 x Configurable Digital I/O, 1 x Analog Input (0-30V) |
| Serial | On 16-pin terminal block: 1 x RS232 (TX, RX, RTS, CTS), 1 x RS485 (D+, D-, R+, R-) |
| GNSS | GPS, GLONASS, BeiDou, Galileo, QZSS |
| GNSS Antenna | 1 x SMA for GNSS |
| Status LEDs | 3 x Connection status, 3 x Signal strength, 1 x Power, 1 x ETH status |
| Power | |
| Connector | 2-pin in 16-pin industrial terminal block |
| Input Voltage Range | 9 – 30 VDC (with reverse polarity and surge protection) |
| Power Consumption | Idle: < 1.5 W, Max: < 3.5 W |
| Physical & Environmental | |
| Casing Material | Aluminium housing |
| Dimensions (W x H x D) | 83 x 25 x 74.2 mm |
| Weight | 165 g |
| Operating Temperature | -40 °C to 75 °C |
| Operating Humidity | 10% to 90% non-condensing |
| Ingress Protection Rating | IP30 |
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
4.7 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them.
The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back.
I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
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Reviewed in the United States on April 15, 2026
★★★★★ 3
Not great at cooling
Size: Queen (2 Count), Color: Original White (Cooling)
Each pillow cover has 2 sides, one marked for cooling, and the other a different fabric. The cooling side is about the same effectiveness as having a silk or satin pillow cover. It's only cool when you first touch it. The cooling side doesn't seem to absorb or wick moisture, so if you are sweaty - it keeps the moisture in place. You'll definitely want a regular pillow case over the pillow cover. In fact, if you suffer from night sweats, the non-cooling side is actually more comfortable. The pillow fill is ample, and simple to squish around for more support for your neck, etc. Think bean bag. But it will retain your impression after use. I find I need to do as I did when I had down pillows - give it a few good shakes in the morning when I make the bed to get it evened out for the coming night. In all, it is a well-made and comfortable pillow to sleep on, but it does not excel in cooling.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
excellent pillows i bought two sets!!
Size: Firm Queen (2 Count), Color: Original White (Cooling)
I ordered these for my son who has neck issues and has gone through so many pillows trying to find one that he liked. They’re heavy, so i was worried that they might be “too” heavy to be able to sleep on comfortably, so I ordered a second set, one firmer than the other (just in case) and gave him a set for Xmas and he loved the first set so much without even trying the less firm ones.He also needs the cooling factor and these offered that, too. They are filled with pieces of memory foam (tons of it) and each pillow can be modified by removing some of the foam. The covers are beautiful, high quality fabric with a zipper so ts easy to remove or replace the foam pieces. The size is perfect and they keep their shape. I kept the second set i ordered rather than returning them and i love the pillows. I actually modified two by removing some of the foam pieces. I kept the foam pieces in a zippered pillow protector and i can always adjust mine when or if i need to.
1000% love these.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
The Perfect Firm Pillow l
Size: Queen (1 Count), Color: Original White (Cooling)
It is everything it claims to be, cool, comfortable and strong. I got this for my husband first, he loves it and then got one for my son, he uses it to support his knees and has been sleeping much better since then.
They both needed a firm pillow that is not super soft, firm but not achy.
Finally found the perfect one.
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Reviewed in the United States on May 6, 2026
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