| Image |
 |
 |
| Model |
EC21-EU |
ME909Tu-520 |
| Price |
$50 |
$ |
| Buy |
|
|
| Manufacturer |
Quectel Wireless |
Huawei |
| Form Factor |
LCC Castellation |
LGA |
| Dimensions |
39 x 32 x 24 mm |
40 x 40 x 4 mm |
| Surface Area |
1248 sq. mm |
1600 sq. mm |
| Volume |
29952 cubic mm |
6400 cubic mm |
| Technologies |
GSM, GPRS, UMTS, EDGE, HSDPA, HSPA+, LTE |
GSM, GPRS, 1xRTT, EVDO Rev A, EDGE, HSDPA, HSPA+, LTE, DC-HSPA |
| Max. Upload Speed |
5 Mbps |
50 Mbps |
| Max. Download Speed |
10 Mbps |
100 Mbps |
| GSM Bands |
900, 1900 MHz |
850, 1800, 1900 MHz |
| WCDMA Bands |
B1 (2100), B8 (900 GSM) |
B1 (2100), B2 (1900 PCS), B4 (AWS-1700), B8 (900 GSM), B26 (850+) |
| LTE Bands |
B1 (2100), B3 (1800+), B7 (2600), B8 (900 GSM), B20 (800 DD), B28 (700 APT) |
B1 (2100), B2 (1900 PCS), B4 (AWS-1), B5 (850), B13 (700 c), B17 (700 b), B25 (1900+) |
| EVDO Bands |
N/A |
800/1900/2100 MHz |
| 1xRTT Bands |
N/A |
N/A |
| Interfaces |
ADC, I2C, SIM, SPI, UART, USB |
GPIO, I2C, SIM, SPI, UART, USB |
| GPS Support |
Yes |
Yes |
| GNSS Support |
Yes |
Yes |
| Voice Support |
Yes, PCM, Analog |
| Automotive Support |
No |
Yes |
| Temperature |
-40 C to 85 C |
-40 C to 85 C |
| Carrier Approvals |
Deutsche Telekom |
Not Available |
| Certifications |
CE, GCF, NCC (Taiwan), RCM |
CDG, FCC, PTCRB, ROHS |