Compare Quectel Wireless EC25-A mPCie Vs Sierra Wireless EM7511
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| Model | EC25-A mPCie | EM7511 |
| Price | $54.90 | $167.36 |
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| Manufacturer | Quectel Wireless | Sierra Wireless |
| Form Factor | Mini PCI Express | M.2 (NGFF) |
| Dimensions | 51 x 30 x 4.5 mm | 42 x 30 x 2.3 mm |
| Surface Area | 1530 sq. mm | 1260 sq. mm |
| Volume | 6885 cubic mm | 2898 cubic mm |
| Technologies | UMTS, HSDPA, HSPA+, LTE | UMTS, HSDPA, HSPA+, LTE |
| Max. Upload Speed | 50 Mbps | 150 Mbps |
| Max. Download Speed | 100 Mbps | 500 Mbps |
| GSM Bands | N/A | N/A |
| WCDMA Bands | B2 (1900 PCS), B4 (AWS-1700), B5 (850) | B1 (2100), B2 (1900 PCS), B4 (AWS-1700), B5 (850), B6 (800), B8 (900 GSM), B9 (1800 Japan), B19 (800 Japan) |
| LTE Bands | B2 (1900 PCS), B12 (700 a), B40 (TD 2300) | B1 (2100), B2 (1900 PCS), B5 (850), B12 (700 a), B13 (700 c), B14 (700 PS), B18 (800 Lower), B19 (800 Upper), B20 (800 DD), B26 (850+), B29 (700 d), B30 (2300 WCS), B32 (1500 L-band), B41 (TD 2600+), B42 (TDD 3500), B43 (TDD 3600), B66 (AWS-6), B46 (TDD 5200), B48 (3600) |
| EVDO Bands | N/A | N/A |
| 1xRTT Bands | N/A | N/A |
| Interfaces | USB | ADC, I2C, SDIO, SIM, SPI, UART, USB |
| GPS Support | Yes | |
| GNSS Support | Yes | Yes |
| Voice Support | No | PCM |
| Automotive Support | No | No |
| Temperature | -40 C to 85 C | -30 C to 70 C |
| Carrier Approvals | AT&T, Rogers, T-Mobile (USA), Telus | AT&T |
| Certifications | FCC, GCF, PTCRB | FCC, GCF, IC, PTCRB |