Compare Quectel Wireless SC20-A Vs Sierra Wireless EM7700


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Model SC20-A EM7700
Price $74.55 $28
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Manufacturer Quectel Wireless Sierra Wireless
Form Factor LCC Castellation Board-to-Board Connector
Dimensions 40.5 x 40.5 x 2.8 mm 50 x 30 x 3 mm
Surface Area 1640.25 sq. mm 1500 sq. mm
Volume 4592.7 cubic mm 4500 cubic mm
Technologies GSM, GPRS, HSDPA, HSPA+, LTE HSDPA, HSPA+, LTE
Max. Upload Speed 50 Mbps 50 Mbps
Max. Download Speed 150 Mbps 100 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), B5 (850)
LTE Bands B2 (1900 PCS), B4 (AWS-1), B5 (850), B7 (2600), B12 (700 a), B13 (700 c), B25 (1900+), B26 (850+) B4 (AWS-1), B17 (700 b)
EVDO Bands N/A N/A
1xRTT Bands N/A N/A
Interfaces ADC, GPIO, I2C, SDIO, SIM, UART, USB ADC, UART, USB
GPS Support No Yes
GNSS Support Yes No
Voice Support No No
Automotive Support No No
Temperature -40 C to 85 C -30 C to 60 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