Compare Quectel Wireless EC21-A Vs Sierra Wireless HL7748


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Model EC21-A HL7748
Price $50 $35
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Manufacturer Quectel Wireless Sierra Wireless
Form Factor LCC Castellation LGA
Dimensions 39 x 32 x 24 mm 23 x 22 x 2.5 mm
Surface Area 1248 sq. mm 506 sq. mm
Volume 29952 cubic mm 1265 cubic mm
Technologies UMTS, HSDPA, HSPA+, LTE LTE Cat M
Max. Upload Speed 5 Mbps 375 kbps
Max. Download Speed 10 Mbps 300 Kbps
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) B2 (1900 PCS), B4 (AWS-1), B12 (700 a)
EVDO Bands N/A N/A
1xRTT Bands N/A N/A
Interfaces ADC, GPIO, I2C, SPI, UART, USB GPIO, SIM, UART, USB
GPS Support Yes No
GNSS Support Yes No
Voice Support Yes, PCM No
Automotive Support No No
Temperature -40 C to 85 C -40 C to 85 C
Carrier Approvals AT&T, Rogers, T-Mobile (USA), Telus AT&T
Certifications FCC, IC, PTCRB FCC, PTCRB