Compare Quectel Wireless EC21-A mPCIe Vs Sierra Wireless EM7355


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Model EC21-A mPCIe EM7355
Price $115 $128.20
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Manufacturer Quectel Wireless Sierra Wireless
Form Factor Mini PCI Express M.2 (NGFF)
Dimensions 51 x 30 x 4.5 mm 42 x 30 x 2.3 mm
Surface Area 1530 sq. mm 1260 sq. mm
Volume 6885 cubic mm 2898 cubic mm
Technologies UMTS, HSDPA, HSPA+, LTE GSM, GPRS, EDGE, HSDPA, HSPA+, LTE
Max. Upload Speed 5 Mbps 50 Mbps
Max. Download Speed 10 Mbps 100 Mbps
GSM Bands N/A 850, 900, 1800, 1900 MHz
WCDMA Bands B2 (1900 PCS), B4 (AWS-1700), B5 (850) B1 (2100), B2 (1900 PCS), B4 (AWS-1700), B8 (900 GSM), B26 (850+)
LTE Bands B2 (1900 PCS), B4 (AWS-1), B12 (700 a) B2 (1900 PCS), B5 (850), B13 (700 c), B17 (700 b), B25 (1900+), B40 (TD 2300)
EVDO Bands N/A N/A
1xRTT Bands N/A N/A
Interfaces USB ADC, GPIO, SDIO, SIM, SPI, UART, USB
GPS Support Yes Yes
GNSS Support Yes Yes
Voice Support No No
Automotive Support No No
Temperature -40 C to 85 C -25 C to 60 C
Carrier Approvals AT&T, Rogers, T-Mobile (USA), Telus AT&T, Bell, Rogers, Sprint, T-Mobile (USA), Verizon Wireless
Certifications FCC, IC, PTCRB CE, FCC, GCF, IC, NCC (Taiwan)