Compare Quectel Wireless EC21-A Vs Sierra Wireless AR7552


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Model EC21-A AR7552
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 3.64 mm
Surface Area 1248 sq. mm 1184 sq. mm
Volume 29952 cubic mm 4309.76 cubic mm
Technologies UMTS, HSDPA, HSPA+, LTE HSPA+, 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) B2 (1900 PCS), B5 (850)
LTE Bands B2 (1900 PCS), B4 (AWS-1), B12 (700 a) B2 (1900 PCS), B4 (AWS-1), B5 (850), B7 (2600), B17 (700 b)
EVDO Bands N/A N/A
1xRTT Bands N/A N/A
Interfaces ADC, GPIO, I2C, SPI, UART, USB ADC, GPIO, I2C, SIM, UART, USB
GPS Support Yes Yes
GNSS Support Yes No
Voice Support Yes, PCM PCM, Analog
Automotive Support No Yes
Temperature -40 C to 85 C -40 C to 85 C
Carrier Approvals AT&T, Rogers, T-Mobile (USA), Telus AT&T, Rogers
Certifications FCC, IC, PTCRB Automotive e-mark, FCC, GCF, IC, PTCRB