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| PartNumber | X4-M91-E-A | X4-M91-U801-A | X4-M91-A01-A |
| Description | Gateways Connectport X4 DigiMesh | Gateways ConnectPort X4 Gtwy DigiMesh 900MHz | Gateways X4 Routing Gateway w/Ant & US Pwr |
| Manufacturer | Digi International | Digi International | Digi International |
| Product Category | Gateways | Gateways | Gateways |
| Product | Cellular Gateways | Cellular Gateways | Cellular Gateways |
| Frequency | 900 MHz | - | 850 MHz, 900 MHz, 1.8 GHz, 1.9 GHz |
| Data Rate | 10 Mb/s, 100 Mb/s | 230 kb/s | 10 Mb/s, 100 Mb/s |
| Number of Ports | 1 Ethernet, 1 RPSMA, 1 Serial, 1 USB | 1 Ethernet, 1 RPSMA, 1 Serial, 1 USB | 1 Ethernet, 1 RPSMA, 1 Serial, 1 USB |
| Interface Type | Ethernet, RF, Serial, USB | RS-232, RS-422, RS-485, USB, Wi-Fi | Ethernet, RF, Serial, USB |
| Operating Supply Voltage | 6 V to 30 V | 100 VAC to 240 VAC | 6 V to 30 V |
| Minimum Operating Temperature | - 30 C | - 30 C | - 30 C |
| Maximum Operating Temperature | + 75 C | + 75 C | + 75 C |
| Description/Function | ConnectPort X4 - DigiMesh 900 MHz to Ethernet | - | ConnectPort X4 - DigiMesh 900 MHz to Ethernet & cellular (Edge) |
| Dimensions | 133.3 mm x 85 mm x 25.4 mm | 193 mm x 143 mm x 69 mm | 133.3 mm x 85 mm x 25.4 mm |
| Flash | 16 MB | - | 16 MB |
| RAM | 32 MB | - | 32 MB |
| Security | With Security | - | With Security |
| Brand | Digi International | Digi International | Digi International |
| Product Type | Gateways | Gateways | Gateways |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Ethernet & Communication Modules | Ethernet & Communication Modules | Ethernet & Communication Modules |
| RoHS | - | Y | Y |
| Shipping Restrictions | - | - | |
| Tradename | - | - | ConnectPort |
| Unit Weight | - | - | 7.054792 oz |
