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Description
Waveshare Rail-Mount Serial Server RS485 to WIFI/Ethernet Module, Modbus MQTT Gateway, 21968Features This is a RS485 device data acquisitor IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to HTTPD Client, etc. With RS485, WIFI and Ethernet ports, the module can realize functions such as serial to WIFI, serial to Ethernet, Ethernet to WIFI and so on. Using screw terminals for power input, it supports 5~36V wide range power supply. Rail mount V0
FeaturesThis is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to HTTPD Client, etc. With RS485, WIFI and Ethernet ports, the module can realize functions such as serial to WIFI, serial to Ethernet, Ethernet to WIFI and so on. Using screw terminals for power input, it supports 5~36V wide range power supply. Rail-mount V0 flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...
Specifications
Outline:
1. Communication interface: RS485, screw terminal
2. Power supply: 5 ~ 36V DC, screw terminal
3. Case: PC + ABS, V0 flame retardant grade
4. Dimensions: L x W x H: 109.66 x 28 x 64.71 mm
Comunication:
1. Ethernet: 10 / 100M auto-negotiation RJ45 connector
2. WIFI: 802.11b/g/n compliant
3. Serial port: RS485 interface (Anti-surge, Lightningproof, Over-current protection)
Wireless specification:
1. Frequency Band: 2.412 ~ 2.484 GHz
2. Wireless network: Station / AP / AP+Station Mode
3. Security mechanism: WPA-PSK / WPA2-PSK
4. Encryption type: TKIP / AES
5. Transmitting power:
- 802.11b: +19dBm (11Mbps)
- 802.11g: +18dBm (54Mbps)
- 802.11n: +17dBm (HT20, MCS7); +17dBm (HT40, MCS7)
6. Receiving sensitivity:
- 802.11b: -89dBm (11Mbps)
- 802.11g: -81dBm (54Mbps)
- 802.11n: -73dBm (HT20, MCS7); -71dBm (HT40, MCS7)
Serial specification:
1. Baudrate: 300 ~ 460800 bps
2. Parity bit: None, odd, even, mark, space
3. Data bit: 5 ~ 9 bits
4. Flow control: N/A
Software
1.Protocol: TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT
2. Configuration: Host, web browser, serial AT command
3. Communication method: TCP/IP direct communication, VCOM
4. Operating mode: Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU
Environmental requirements
1. Working temperature: -40 ~ 85 degree C
2. Storage temperature: -45 ~ 125 degree C
3. Humidity range: 5% ~ 95% relative humidity
Package List
1. RS485 TO WIFI/ETH x 1
2. Antenna x 1
Specification:
| Package Weight |
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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
4.5 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 4
Dogs love them, not long lasting
Size: Large
Our dogs ignored the toy for the first day or two, then immediately became obsessed, working on them for hours at a time.
They did come with big cracks/splits in them. The first one it wasn’t a big deal, but the dogs pulled large slivers and chunks off the second within minutes of using it. Also, gigantic mess around the house, like letting them play with a stick. I plan to continue to buy since the dogs love them but I do think they are a bit expensive given the quality variations.
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Reviewed in the United States on December 15, 2024
★★★★★ 5
Durable, good value, clean, natural
Size: Small, Size: Small
I bought this coffee wood toy with the coconut rope for my heavy chewer (Jack Russell Terrier) a couple of years ago. I was pretty skeptical that it would last very long and be a toy that she would enjoy. This is one of her favorite toys, it's lasted for 2+ years, and it's not gross after so much use. This dog shredded everything in sight when she was a puppy, so it was important to find her lots of different hard toys. I bought another coffee wood toy with no rope, and she doesn't care for it as much. We might have to drill a hole and add a coconut rope when this one get's too small. I have not had an issue with the coconut fibers or wood pulp, though I'm sure she's ingesting some. I have had to take away many hard toys that she managed to chew off large bits or I felt like she was eating bits of plastic, but this one has been safe for her. She was already an adult dog when I got her this toy, so I cannot vouch for how it would work for a puppy, but I suspect that it would have been a toy that I would only let her have under supervision when she was a puppy. I like that it is made from natural materials.
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Reviewed in the United States on January 26, 2026
★★★★★ 2
Flimsy rope
Size: Large
This was definitely not sturdy enough for a large dog "up to 80 lbs" as stated. My 7 month old Shepherd puppy shredded the rope part in about 5 minutes. The chew stick is a hit but very small. Flimsy for the cost!
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Reviewed in the United States on September 17, 2025
★★★★★ 3
Fast Chew
Size: Medium
Didn’t last as long as I expected. My Frenchie chewed through it in record time. I will purchase another one to see if it’s the same as the one I received.
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Reviewed in the United States on September 28, 2025
★★★★★ 5
Great for chewers
Size: Large
I have bought these for the dogs (GSD/Husky/Golden) 4 mon-7yrs. All 4 dogs enjoy them and keeps the 2 puppies from chewing things they should not. Definitely worth the money for how long they have lasted as well. Have already ordered more.
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Reviewed in the United States on October 4, 2025
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