| PartNumber | DFR0504 | DFR0506 | DFR0505 |
| Description | Interface Development Tools Gravity: Analog Signal Isolator | Display Development Tools 7'' HDMI Display with Capacitive Touchscreen | RF Development Tools SIM7000C Arduino NB-IoT/LTE/GPRS/GPS Expansion Shield |
| Manufacturer | DFRobot | DFRobot | DFRobot |
| Product Category | Interface Development Tools | Display Development Tools | RF Development Tools |
| Product | Evaluation Modules | On Screen Display Boards | Expansion Boards |
| Type | Isolator Interface | - | GSM/GPRS, GPS |
| Dimensions | 42 mm x 32 mm | 183 mm x 100 mm | 68.58 mm x 53.34 mm |
| Brand | DFRobot | DFRobot | DFRobot |
| Interface Type | PH2.0-3P | HDMI | - |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | Interface Development Tools | Display Development Tools | RF Development Tools |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Development Tools | Development Tools | Development Tools |
| Tool Is For Evaluation Of | - | 7 inch LCD | SIM7000C |
| RoHS | - | - | Y |
| Frequency | - | - | 900 MHz, 1800 MHz |
| Maximum Operating Temperature | - | - | + 85 C |
| Minimum Operating Temperature | - | - | - 40 C |