Compare Quectel Wireless EC21-V Vs Sierra Wireless EM7511


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Model EC21-V EM7511
Price $50 $167.36
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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 UMTS, HSDPA, HSPA+, LTE
Max. Upload Speed 5 Mbps 150 Mbps
Max. Download Speed 10 Mbps 500 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), B19 (800 Japan)
LTE Bands B4 (AWS-1), B13 (700 c) 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 ADC, I2C, SIM, SPI, UART, USB ADC, I2C, SDIO, SIM, SPI, UART, USB
GPS Support Yes
GNSS Support Yes Yes
Voice Support Yes, PCM, Analog PCM
Automotive Support No No
Temperature -40 C to 85 C -30 C to 70 C
Carrier Approvals Verizon Wireless AT&T
Certifications FCC, GCF FCC, GCF, IC, PTCRB