Compare Simcom Wireless SIM900D Vs Quectel Wireless M80
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| Model | SIM900D | M80 |
| Price | $19.88 | $ |
| Buy | ||
| Manufacturer | Simcom Wireless | Quectel Wireless |
| Form Factor | LCC Castellation | LCC Castellation |
| Dimensions | 33 x 33 x 33 mm | 23 x 25 x 2.6 mm |
| Surface Area | 1089 sq. mm | 575 sq. mm |
| Volume | 35937 cubic mm | 1495 cubic mm |
| Technologies | GSM, GPRS | GSM, GPRS |
| 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, I2C, SDIO, SIM, SPI, UART, USB | GPIO, SIM, SPI, 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, ROHS | ANATEL, CE, FCC, IC, ICASA, UCRF |