| PartNumber | 20-101-0358 | 20-101-0357 | 20-101-0356 |
| Description | Single Board Computers BL1820 | Single Board Computers BL1810 SINGLE BOARD COMPUTER | Single Board Computers BL1800 |
| Manufacturer | Digi International | Digi International | Digi International |
| Product Category | Single Board Computers | Single Board Computers | Single Board Computers |
| RoHS | Y | Y | Y |
| Form Factor | Compact Form Factor | Compact Form Factor | Compact Form Factor |
| Processor Brand | Rabbit Semiconductor | Rabbit Semiconductor | Rabbit Semiconductor |
| Processor Type | Rabbit 2000 | Rabbit 2000 | Rabbit 2000 |
| Frequency | 14.74 MHz | 14.74 MHz | 29.5 MHz |
| Maximum RAM Capacity | 512 kB | 512 kB | 512 kB |
| Installed RAM | 128 kB | 128 kB | 128 kB |
| Operating Supply Voltage | 7.5 V to 25 V | 7.5 V to 25 V | 8 V to 40 V |
| Interface Type | Serial | - | RS-232, RS-485 |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Dimensions | 89 mm x 64 mm x 16 mm | 89 mm x 64 mm x 24 mm | 89 mm x 64 mm x 19 mm |
| Description/Function | Computer Module | Computer Module | C-Programmable single board computer |
| Flash | 128 kB | 128 kB | 256 kB |
| Memory Type | Flash, SRAM | SRAM | Flash EPROM, SRAM |
| Power Consumption | 2.5 W | 2.5 W | 1.2 W |
| Brand | Digi International | Digi International | Digi International |
| Battery Backup Switching | Backup Battery | Backup Battery | Backup Battery |
| Core | Rabbit 2000 | Rabbit 2000 | - |
| Number of Cores | 1 Core | 1 Core | 1 Core |
| Product Type | Single Board Computers | Single Board Computers | Single Board Computers |
| Factory Pack Quantity | 1 | 10 | 10 |
| Subcategory | Computing | Computing | Computing |
| Packaging | - | - | Tray |