Compare Huawei MU509 EU Vs Huawei EM820W
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| Model | MU509 EU | EM820W |
| Price | $ | $39 |
| Buy | ||
| Manufacturer | Huawei | Huawei |
| Form Factor | LGA | Mini PCI Express |
| Dimensions | 30 x 30 x 2.65 mm | 51 x 30 x 4.4 mm |
| Surface Area | 900 sq. mm | 1530 sq. mm |
| Volume | 2385 cubic mm | 6732 cubic mm |
| Technologies | GSM, GPRS, UMTS, EDGE, HSDPA | GSM, GPRS, UMTS, EDGE, HSDPA, HSPA+ |
| Max. Upload Speed | 384 Kbps | 5.76 Mbps |
| Max. Download Speed | 3.6 Mbps | 21 Mbps |
| GSM Bands | 850, 900, 1800, 1900 MHz | 850, 900, 1800, 1900 MHz |
| WCDMA Bands | B1 (2100), B2 (1900 PCS) | B1 (2100), B2 (1900 PCS), B8 (900 GSM), B26 (850+) |
| LTE Bands | N/A | N/A |
| EVDO Bands | N/A | N/A |
| 1xRTT Bands | N/A | N/A |
| Interfaces | GPIO, I2C, UART, USB | UART, USB |
| GPS Support | No | Yes |
| GNSS Support | No | Yes |
| Voice Support | No | No |
| Automotive Support | No | No |
| Temperature | -20 C to 70 C | |
| Carrier Approvals | Not Available | Not Available |
| Certifications | CCC, FCC, GCF, IC, PTCRB | CCC, CE, FCC, GCF, IC, PTCRB, ROHS |