有时，华为EC6121插上电脑后，会无法读取，建议安装此驱动后，再次尝试。　华为产品和解决方案涵盖移动（HSDPA/WCDMA/EDGE/GPRS/GSM, CDMA2000 1xEV-DO/CDMA2000 1X, TD-SCDMA和WiMAX）、核心网（IMS, Mobile Softswitch, NGN）网络（FTTx, xDSL, 光网络, 路由器和LAN Switch）、电信增值业务(IN, mobile data service, BOSS)

华为EC1261 EVDO上网卡，传输速率：下行3.1Mbps,上行:1.8Mbps，接口：USB。
电信客户端：天翼宽带程序，支持WINXP/WIN7系统。

支持硬件ID：
USB\VID_12d1&PID_1001
USB\VID_12d1&PID_1003
USB\VID_12d1&PID_1004
USB\VID_12d1&PID_1402
USB\VID_12d1&PID_1406
USB\VID_12d1&PID_1411
USB\VID_12d1&PID_1412
USB\VID_12d1&PID_1413
USB\VID_12d1&PID_1414
USB\VID_12d1&PID_1416
USB\VID_12d1&PID_1417
USB\VID_12d1&PID_1418
USB\VID_12d1&PID_1419
USB\VID_12d1&PID_141A
USB\VID_12d1&PID_141B
USB\VID_12d1&PID_141E
USB\VID_12d1&PID_1420
USB\VID_12d1&PID_1422
USB\VID_12d1&PID_140A
USB\VID_12d1&PID_140C
USB\VID_12d1&PID_14AC
USB\VID_12d1&PID_140B
USB\VID_12d1&PID_1427
USB\VID_12d1&PID_1428
USB\VID_12d1&PID_1429
USB\VID_12d1&PID_142A
USB\VID_12d1&PID_1404
USB\VID_12d1&PID_1407
USB\VID_12d1&PID_142B
USB\VID_12d1&PID_1433
USB\VID_12d1&PID_1434
USB\VID_12d1&PID_1436
USB\VID_12d1&PID_1438
USB\VID_12d1&PID_1439
USB\VID_12d1&PID_143A
USB\VID_12d1&PID_143B
USB\VID_12d1&PID_143E
USB\VID_12d1&PID_1448
USB\VID_12d1&PID_144A
USB\VID_12d1&PID_144B
USB\VID_12d1&PID_144C
USB\VID_12d1&PID_144D
USB\VID_12d1&PID_143F
USB\VID_12d1&PID_15FF