Compare Simcom Wireless SIM800DC-DS Vs Quectel Wireless M20
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| Model | SIM800DC-DS | M20 |
| Price | $ | $ |
| Buy | ||
| Manufacturer | Simcom Wireless | Quectel Wireless |
| Form Factor | LCC Castellation | Board-to-Board Connector |
| Dimensions | 15.7 x 17.6 x 2.3 mm | 29 x 29 x 3.6 mm |
| Surface Area | 276.32 sq. mm | 841 sq. mm |
| Volume | 635.536 cubic mm | 3027.6 cubic mm |
| Technologies | GSM, GPRS | GSM |
| Max. Upload Speed | 85.6 Kbps | 85.6 Kbps |
| Max. Download Speed | 85.6 Kbps | 85.6 Kbps |
| GSM Bands | 850, 900, 1800, 1900 MHz | 850, 900, 1800, 1900 MHz |
| WCDMA Bands | N/A | N/A |
| LTE Bands | N/A | N/A |
| EVDO Bands | N/A | N/A |
| 1xRTT Bands | N/A | N/A |
| Interfaces | ADC, GPIO, SDIO, SIM, SPI, UART, USB | GPIO, I2C, SIM, UART, USB |
| GPS Support | No | No |
| GNSS Support | No | No |
| Voice Support | PCM, Analog | PCM |
| Automotive Support | No | No |
| Temperature | -40 C to 85 C | -40 C to 85 C |
| Carrier Approvals | Not Available | Not Available |
| Certifications | CE, GCF | CE |