Compare Quectel Wireless EC21-A Vs Sierra Wireless MC7750


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Model EC21-A MC7750
Price $50 $35.99
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Manufacturer Quectel Wireless Sierra Wireless
Form Factor LCC Castellation Mini PCI Express
Dimensions 39 x 32 x 24 mm 51 x 30 x 4.5 mm
Surface Area 1248 sq. mm 1530 sq. mm
Volume 29952 cubic mm 6885 cubic mm
Technologies UMTS, HSDPA, HSPA+, LTE 1xRTT, EVDO Rev A, LTE
Max. Upload Speed 5 Mbps 50 Mbps
Max. Download Speed 10 Mbps 100 Mbps
GSM Bands N/A N/A
WCDMA Bands B2 (1900 PCS), B4 (AWS-1700), B5 (850) N/A
LTE Bands B2 (1900 PCS), B4 (AWS-1), B12 (700 a) B13 (700 c)
EVDO Bands N/A 800/1900 MHz
1xRTT Bands N/A 800/1900 MHz
Interfaces ADC, GPIO, I2C, SPI, UART, USB ADC, GPIO, SDIO, SIM, SPI, UART, USB
GPS Support Yes Yes
GNSS Support Yes No
Voice Support Yes, PCM No
Automotive Support No No
Temperature -40 C to 85 C -30 C to 60 C
Carrier Approvals AT&T, Rogers, T-Mobile (USA), Telus Verizon Wireless
Certifications FCC, IC, PTCRB FCC, IC, NCC (Taiwan)