Compare Quectel Wireless SC20-A Vs Sierra Wireless EM7511


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Model SC20-A EM7511
Price $74.55 $167.36
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Manufacturer Quectel Wireless Sierra Wireless
Form Factor LCC Castellation M.2 (NGFF)
Dimensions 40.5 x 40.5 x 2.8 mm 42 x 30 x 2.3 mm
Surface Area 1640.25 sq. mm 1260 sq. mm
Volume 4592.7 cubic mm 2898 cubic mm
Technologies GSM, GPRS, HSDPA, HSPA+, LTE UMTS, HSDPA, HSPA+, LTE
Max. Upload Speed 50 Mbps 150 Mbps
Max. Download Speed 150 Mbps 500 Mbps
GSM Bands 850, 1800 MHz N/A
WCDMA Bands B1 (2100), B2 (1900 PCS), B4 (AWS-1700), B5 (850), B8 (900 GSM) B1 (2100), B2 (1900 PCS), B4 (AWS-1700), B5 (850), B6 (800), B8 (900 GSM), B9 (1800 Japan), B19 (800 Japan)
LTE Bands B2 (1900 PCS), B4 (AWS-1), B5 (850), B7 (2600), B12 (700 a), B13 (700 c), B25 (1900+), B26 (850+) 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, GPIO, I2C, SDIO, SIM, UART, USB ADC, I2C, SDIO, SIM, SPI, UART, USB
GPS Support No
GNSS Support Yes Yes
Voice Support No PCM
Automotive Support No No
Temperature -40 C to 85 C -30 C to 70 C
Carrier Approvals AT&T, Rogers, Sprint, T-Mobile (USA), Telus, Verizon Wireless AT&T
Certifications CE, FCC, GCF, IC, PTCRB FCC, GCF, IC, PTCRB