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| PartNumber | WR31-M22A-DE1-TB | WR31-M52A-DE1-TB | WR31-M72A-DE1-TB |
| Description | Routers TransPort | Routers TransPort WR31, LTE NA | Routers TransPort WR31, LTE EMEA |
| Manufacturer | Digi International | Digi International | Digi International |
| Product Category | Routers | Routers | Routers |
| Product | LTE Routers | LTE Routers | LTE Routers |
| Series | WR31 | - | - |
| Brand | Digi International | Digi International | Digi International |
| Product Type | Routers | Routers | Routers |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Ethernet & Communication Modules | Ethernet & Communication Modules | Ethernet & Communication Modules |
| Tradename | TRANSPORT | Transport | Transport |
| RoHS | - | Y | Y |
| Frequency | - | 850 MHz, 1.9 GHz | 900 MHz, 1.8 GHz, 2.1 GHz |
| Data Rate | - | 150 Mb/s | 150 Mb/s |
| Number of Ports | - | 2 Ethernet, 1 Serial, 1 USB | 2 Ethernet, 1 Serial, 1 USB |
| Interface Type | - | Ethernet, Serial, USB | Ethernet, Serial, USB |
| Operating Supply Voltage | - | 9 V to 30 V | 9 V to 30 V |
| Minimum Operating Temperature | - | - 34 C | - 34 C |
| Maximum Operating Temperature | - | + 74 C | + 74 C |
| Description/Function | - | 4G LTE North America | 4G LTE EMEA/APAC |
| Dimensions | - | 12.7 cm x 8.9 cm, 5.1 cm | 12.7 cm x 8.9 cm, 5.1 cm |
| Power Consumption | - | 12 W | 12 W |
| Security | - | With Security | With Security |
| IP Rating | - | IP30 | IP30 |