Image |
![](https://m2msupport.net/m2msupport/wp-content/uploads/2020/02/quectel_ec21-150x150.png) |
![](https://m2msupport.net/m2msupport/wp-content/uploads/2019/11/sw_hlseries-150x150.png) |
Model |
EC21-A |
HL7748 |
Price |
$50 |
$35 |
Buy |
|
|
Manufacturer |
Quectel Wireless |
Sierra Wireless |
Form Factor |
LCC Castellation |
LGA |
Dimensions |
39 x 32 x 24 mm |
23 x 22 x 2.5 mm |
Surface Area |
1248 sq. mm |
506 sq. mm |
Volume |
29952 cubic mm |
1265 cubic mm |
Technologies |
UMTS, HSDPA, HSPA+, LTE |
LTE Cat M |
Max. Upload Speed |
5 Mbps |
375 kbps |
Max. Download Speed |
10 Mbps |
300 Kbps |
GSM Bands |
N/A |
N/A |
WCDMA Bands |
B2 (1900 PCS), B4 (AWS-1700), B5 (850) |
N/A |
LTE Bands |
B2 (1900 PCS), B4 (AWS-1), B12 (700 a) |
B2 (1900 PCS), B4 (AWS-1), B12 (700 a) |
EVDO Bands |
N/A |
N/A |
1xRTT Bands |
N/A |
N/A |
Interfaces |
ADC, GPIO, I2C, SPI, UART, USB |
GPIO, SIM, UART, USB |
GPS Support |
Yes |
No |
GNSS Support |
Yes |
No |
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 |
Certifications |
FCC, IC, PTCRB |
FCC, PTCRB |