| Image |
 |
 |
| Model |
SC20-J |
EC21-J |
| Price |
$74.55 |
$38.80 |
| Buy |
|
|
| Manufacturer |
Quectel Wireless |
Quectel Wireless |
| Form Factor |
LCC Castellation |
LCC Castellation |
| Dimensions |
40.5 x 40.5 x 2.8 mm |
39 x 32 x 24 mm |
| Surface Area |
1640.25 sq. mm |
1248 sq. mm |
| Volume |
4592.7 cubic mm |
29952 cubic mm |
| Technologies |
HSDPA, HSPA+, LTE |
LTE |
| Max. Upload Speed |
50 Mbps |
5 Mbps |
| Max. Download Speed |
150 Mbps |
10 Mbps |
| GSM Bands |
N/A |
N/A |
| WCDMA Bands |
B1 (2100), B6 (800), B8 (900 GSM), B19 (800 Japan) |
N/A |
| LTE Bands |
B1 (2100), B3 (1800+), B8 (900 GSM), B18 (800 Lower), B19 (800 Upper), B26 (850+), B41 (TD 2600+) |
B1 (2100), B3 (1800+), B8 (900 GSM), B18 (800 Lower), B19 (800 Upper), B26 (850+) |
| EVDO Bands |
N/A |
N/A |
| 1xRTT Bands |
N/A |
N/A |
| Interfaces |
ADC, GPIO, I2C, SDIO, SIM, UART, USB |
ADC, I2C, SIM, SPI, UART, USB |
| GPS Support |
No |
No |
| GNSS Support |
Yes |
No |
| Voice Support |
No |
Yes, PCM, Analog |
| Automotive Support |
No |
No |
| Temperature |
-40 C to 85 C |
-40 C to 85 C |
| Carrier Approvals |
NTT DoCoMo |
KDDI, NTT DoCoMo |
| Certifications |
Jate, Telec |
Jate, Telec |