Compare Quectel Wireless EC21-V Vs Sierra Wireless EM7700
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| Model | EC21-V | EM7700 |
| Price | $50 | $28 |
| Buy | ||
| Manufacturer | Quectel Wireless | Sierra Wireless |
| Form Factor | LCC Castellation | Board-to-Board Connector |
| Dimensions | 39 x 32 x 24 mm | 50 x 30 x 3 mm |
| Surface Area | 1248 sq. mm | 1500 sq. mm |
| Volume | 29952 cubic mm | 4500 cubic mm |
| Technologies | LTE | HSDPA, HSPA+, LTE |
| Max. Upload Speed | 5 Mbps | 50 Mbps |
| Max. Download Speed | 10 Mbps | 100 Mbps |
| GSM Bands | N/A | N/A |
| WCDMA Bands | N/A | B1 (2100), B2 (1900 PCS), B5 (850) |
| LTE Bands | B4 (AWS-1), B13 (700 c) | B4 (AWS-1), B17 (700 b) |
| EVDO Bands | N/A | N/A |
| 1xRTT Bands | N/A | N/A |
| Interfaces | ADC, I2C, SIM, SPI, UART, USB | ADC, UART, USB |
| GPS Support | Yes | Yes |
| GNSS Support | Yes | No |
| Voice Support | Yes, PCM, Analog | No |
| Automotive Support | No | No |
| Temperature | -40 C to 85 C | -30 C to 60 C |
| Carrier Approvals | Verizon Wireless | AT&T |
| Certifications | FCC, GCF | FCC, GCF, IC, PTCRB |