| Image |
 |
 |
| Model |
EC21-A |
MC7700 |
| Price |
$50 |
$9.99 |
| Buy |
|
|
| Manufacturer |
Quectel Wireless |
Sierra Wireless |
| Form Factor |
LCC Castellation |
Mini PCI Express |
| Dimensions |
39 x 32 x 24 mm |
51 x 30 x 4.5 mm |
| Surface Area |
1248 sq. mm |
1530 sq. mm |
| Volume |
29952 cubic mm |
6885 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), B5 (850) |
| LTE Bands |
B2 (1900 PCS), B4 (AWS-1), B12 (700 a) |
B1 (2100), B4 (AWS-1), 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, SDIO, SIM, SPI, UART, USB |
| GPS Support |
Yes |
Yes |
| GNSS Support |
Yes |
No |
| Voice Support |
Yes, PCM |
No |
| Automotive Support |
No |
No |
| Temperature |
-40 C to 85 C |
-30 C to 60 C |
| Carrier Approvals |
AT&T, Rogers, T-Mobile (USA), Telus |
AT&T, NTT DoCoMo |
| Certifications |
FCC, IC, PTCRB |
FCC, PTCRB, Telec |