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| PartNumber | WR21-M22B-DE1-SW | WR21-M22B-DE1-SB | WR21-M72A-DE1-TB |
| Description | Routers Transport WR21 | Routers TransPort WR21 - LTE EMEA/APAC (450MHz), 2 Ethernet, RS232, No WiFi, Enterprise Software Package, Extended Temperature, No Power Supply, No Antennas | Routers TransPort WR21 - LTE EMEA/APAC (800/900/1800/2100/2600MHz), 2 Ethernet, RS232/422/485, No WiFi, Enterprise Software Package, Extended Temperature, No Power Supply, No Antennas |
| Manufacturer | Digi International | Digi International | Digi International |
| Product Category | Routers | Routers | Routers |
| RoHS | Y | - | - |
| Product | LTE Routers | LTE Routers | LTE Routers |
| Frequency | 450 MHz, 800 MHz, 900 MHz, 1.8 GHz, 2.6 GHz | 450 MHz, 800 MHz, 1.8 GHz, 2.6 GHz | 900 MHz, 1.8 GHz, 2.1 GHz |
| Interface Type | Ethernet, RS-232/422/485, USB | Serial | Serial |
| Operating Supply Voltage | 9 V to 30 V | 9 V to 30 V | 9 V to 30 V |
| Minimum Operating Temperature | - 35 C | - 40 C | - 35 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 70 C |
| Dimensions | 100 mm x 131 mm x 32 mm | 100 mm x 131 mm x 32 mm | 100 mm x 131 mm x 32 mm |
| Series | WR21 | WR21 | WR21 |
| 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 | - |
| Data Rate | - | 100 Mb/s | 150 Mb/s |
| Number of Ports | - | 2 Ethernet, 1 Serial | 2 Ethernet, 1 Serial, 1 USB |
| Flash | - | 128 MB | 128 MB |
| Memory Type | - | DDR2 | DDR2 |
| Power Consumption | - | 12 W | 12 W |
| RAM | - | 128 MB | 128 MB |
| Security | - | With Security | - |
| IP Rating | - | - | IP30 |