Compare Sierra Wireless HL6528 Vs M12
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| Model | HL6528 | M12 |
| Price | $16.60 | $ |
| Buy | ||
| Manufacturer | Sierra Wireless | |
| Form Factor | LGA | LCC Castellation |
| Dimensions | 22 x 23 x 2.5 mm | 29 x 29 x 3.6 mm |
| Surface Area | 506 sq. mm | 841 sq. mm |
| Volume | 1265 cubic mm | 3027.6 cubic mm |
| Technologies | GSM, GPRS, EDGE | 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 | 900, 1800 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, UART, USB | N/A |
| GPS Support | Yes | No |
| GNSS Support | Yes | No |
| Voice Support | PCM, Analog | PCM, Analog |
| Automotive Support | No | No |
| Temperature | -40 C to 85 C | -40 C to 85 C |
| Carrier Approvals | Vodafone | Not Available |
| Certifications | ANATEL, CE, FCC, GCF, IC, PTCRB | CE, UCRF |