Compare Quectel Wireless EC21-J Vs Sierra Wireless EM7565
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| Model | EC21-J | EM7565 |
| Price | $38.80 | $185 |
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| Manufacturer | Quectel Wireless | Sierra Wireless |
| Form Factor | LCC Castellation | M.2 (NGFF) |
| Dimensions | 39 x 32 x 24 mm | 42 x 30 x 2.3 mm |
| Surface Area | 1248 sq. mm | 1260 sq. mm |
| Volume | 29952 cubic mm | 2898 cubic mm |
| Technologies | LTE | HSDPA, HSPA+, LTE |
| Max. Upload Speed | 5 Mbps | 150 Mbps |
| Max. Download Speed | 10 Mbps | 600 Mbps |
| GSM Bands | N/A | N/A |
| WCDMA Bands | N/A | B1 (2100), B2 (1900 PCS), B4 (AWS-1700), B5 (850), B6 (800), B8 (900 GSM), B9 (1800 Japan) |
| LTE Bands | B1 (2100), B3 (1800+), B8 (900 GSM), B18 (800 Lower), B19 (800 Upper), B26 (850+) | B1 (2100), B2 (1900 PCS), B3 (1800+), B4 (AWS-1), B5 (850), B7 (2600), B8 (900 GSM), B9 (1800), B12 (700 a), B13 (700 c), B18 (800 Lower), B19 (800 Upper), B20 (800 DD), B26 (850+), B28 (700 APT), 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 | ADC, I2C, SIM, SPI, UART, USB | SIM, USB |
| GPS Support | No | Yes |
| GNSS Support | No | Yes |
| Voice Support | Yes, PCM, Analog | No |
| Automotive Support | No | No |
| Temperature | -40 C to 85 C | -40 C to 85 C |
| Carrier Approvals | KDDI, NTT DoCoMo | AT&T, NTT DoCoMo, Softbank, SouthernLINC, Sprint, Telstra, Telus, US Cellular, Verizon Wireless |
| Certifications | Jate, Telec | CCC, CE, FCC, GCF, IC, JRF/JPA, KCC, PTCRB |