Compare Quectel Wireless EC21-V Vs Sierra Wireless AR7550


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Model EC21-V AR7550
Price $50 $
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Manufacturer Quectel Wireless Sierra Wireless
Form Factor LCC Castellation LGA
Dimensions 39 x 32 x 24 mm 32 x 37 x 3.6 mm
Surface Area 1248 sq. mm 1184 sq. mm
Volume 29952 cubic mm 4262.4 cubic mm
Technologies LTE 1xRTT, EVDO Rev A, UMTS, HSDPA, HSPA+, LTE
Max. Upload Speed 5 Mbps 50 Mbps
Max. Download Speed 10 Mbps 100 Mbps
GSM Bands N/A N/A
WCDMA Bands N/A B2 (1900 PCS), B5 (850)
LTE Bands B4 (AWS-1), B13 (700 c) B4 (AWS-1), B7 (2600), B13 (700 c)
EVDO Bands N/A 800/1900 MHz
1xRTT Bands N/A 800/1900 MHz
Interfaces ADC, I2C, SIM, SPI, UART, USB ADC, GPIO, I2C, SPI, UART
GPS Support Yes Yes
GNSS Support Yes No
Voice Support Yes, PCM, Analog
Automotive Support No Yes
Temperature -40 C to 85 C -40 C to 85 C
Carrier Approvals Verizon Wireless Verizon Wireless
Certifications FCC, GCF Automotive e-mark, FCC, GCF, IC