Compare Quectel Wireless EC21-A Vs Sierra Wireless WP7504


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Model EC21-A WP7504
Price $50 $67.95
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Manufacturer Quectel Wireless Sierra Wireless
Form Factor LCC Castellation LGA
Dimensions 39 x 32 x 24 mm 22 x 23 x 4.4 mm
Surface Area 1248 sq. mm 506 sq. mm
Volume 29952 cubic mm 2226.4 cubic mm
Technologies UMTS, HSDPA, HSPA+, LTE 1xRTT, EVDO Rev A, 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 B2 (1900 PCS), B4 (AWS-1700), B5 (850) B2 (1900 PCS), B4 (AWS-1700), B5 (850)
LTE Bands B2 (1900 PCS), B4 (AWS-1), B12 (700 a) B2 (1900 PCS), B4 (AWS-1), B5 (850), B12 (700 a), B17 (700 b), B25 (1900+), B26 (850+)
EVDO Bands N/A 800/1900/2100 MHz
1xRTT Bands N/A 800/1900 MHz
Interfaces ADC, GPIO, I2C, SPI, UART, USB ADC, GPIO, I2C, SDIO, SIM, SPI, UART, USB
GPS Support Yes Yes
GNSS Support Yes Yes
Voice Support Yes, PCM PCM, Analog
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, Sprint
Certifications FCC, IC, PTCRB FCC, GCF, IC, PTCRB