Compare Simcom Wireless SIM900D Vs Huawei MC323
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| Model | SIM900D | MC323 |
| Price | $19.88 | $ |
| Buy | ||
| Manufacturer | Simcom Wireless | Huawei |
| Form Factor | LCC Castellation | Board-to-Board Connector |
| Dimensions | 33 x 33 x 33 mm | 35 x 32,5 x 3.05 mm |
| Surface Area | 1089 sq. mm | 1120 sq. mm |
| Volume | 35937 cubic mm | 3416 cubic mm |
| Technologies | GSM, GPRS | 1xRTT |
| Max. Upload Speed | 85.6 Kbps | 153 Kbps |
| Max. Download Speed | 85.6 Kbps | 153 Kbps |
| GSM Bands | 850, 900, 1800, 1900 MHz | N/A |
| WCDMA Bands | N/A | N/A |
| LTE Bands | N/A | N/A |
| EVDO Bands | N/A | 800/1900 MHz |
| 1xRTT Bands | N/A | N/A |
| Interfaces | ADC, GPIO, I2C, SDIO, SIM, SPI, UART, USB | UART, USB |
| GPS Support | No | No |
| GNSS Support | No | No |
| Voice Support | PCM, Analog | Analog |
| Automotive Support | No | No |
| Temperature | -40 C to 85 C | -30 C to 75 C |
| Carrier Approvals | Not Available | Verizon Wireless |
| Certifications | CE, ROHS | CE, FCC, ROHS |