Compare Quectel Wireless EC21-A Vs Sierra Wireless EM7455


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Model EC21-A EM7455
Price $50 $109.20
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Manufacturer Quectel Wireless Sierra Wireless
Form Factor LCC Castellation M.2 (NGFF)
Dimensions 39 x 32 x 24 mm 42 x 30 x 2.3 mm
Surface Area 1248 sq. mm 1260 sq. mm
Volume 29952 cubic mm 2898 cubic mm
Technologies UMTS, HSDPA, HSPA+, LTE GSM, GPRS, UMTS, EDGE, HSDPA, HSPA+, LTE, DC-HSPA
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), B3 (1800 DCS), B4 (AWS-1700), B5 (850), B8 (900 GSM)
LTE Bands B2 (1900 PCS), B4 (AWS-1), B12 (700 a) B1 (2100), B2 (1900 PCS), B3 (1800+), B4 (AWS-1), B5 (850), B7 (2600), B12 (700 a), B13 (700 c), B20 (800 DD), B25 (1900+), B26 (850+), B29 (700 d), B30 (2300 WCS), B41 (TD 2600+)
EVDO Bands N/A N/A
1xRTT Bands N/A N/A
Interfaces ADC, GPIO, I2C, SPI, UART, USB ADC, I2C, SIM, SPI, UART, USB
GPS Support Yes Yes
GNSS Support Yes Yes
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, Rogers, Sprint, Telus, Verizon Wireless, Vodafone
Certifications FCC, IC, PTCRB CE, CE RED, FCC, GCF, IC, PTCRB