Compare Sierra Wireless EM7511 Vs Sierra Wireless HL7688
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| Model | EM7511 | HL7688 |
| Price | $167.36 | $48.53 |
| Buy | ||
| Manufacturer | Sierra Wireless | Sierra Wireless |
| Form Factor | M.2 (NGFF) | LGA |
| Dimensions | 42 x 30 x 2.3 mm | 23 x 22 x 2.5 mm |
| Surface Area | 1260 sq. mm | 506 sq. mm |
| Volume | 2898 cubic mm | 1265 cubic mm |
| Technologies | UMTS, HSDPA, HSPA+, LTE | HSDPA, HSPA+, LTE |
| Max. Upload Speed | 150 Mbps | 5 Mbps |
| Max. Download Speed | 500 Mbps | 10 Mbps |
| GSM Bands | N/A | N/A |
| WCDMA Bands | B1 (2100), B2 (1900 PCS), B4 (AWS-1700), B5 (850), B6 (800), B8 (900 GSM), B9 (1800 Japan), B19 (800 Japan) | B2 (1900 PCS), B5 (850) |
| LTE Bands | 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) | B2 (1900 PCS), B4 (AWS-1), B5 (850), B17 (700 b) |
| EVDO Bands | N/A | N/A |
| 1xRTT Bands | N/A | N/A |
| Interfaces | ADC, I2C, SDIO, SIM, SPI, UART, USB | ADC, GPIO, SIM, SPI, UART, USB |
| GPS Support | No | |
| GNSS Support | Yes | No |
| Voice Support | PCM | PCM, Analog |
| Automotive Support | No | No |
| Temperature | -30 C to 70 C | -40 C to 85 C |
| Carrier Approvals | AT&T | AT&T |
| Certifications | FCC, GCF, IC, PTCRB | FCC, GCF, IC, PTCRB |