| AR660W3G 3G USB Modem Compatibility List |
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| Model Name | Compatible | FW | |
| Alltel (Pantech) UM150AL | Support | V2.0 | |
| Alltel (Pantech) UM175AL | Support | V2.0 | |
| AMOI H01 | Support | V1.07 | |
| Any Data Z020 | Support | V2.07 | |
| ASUS T500 | Support | V1.07 | |
| BandLuxe C100S | Support | V1.07 | |
| BandLuxe C120 | Support | V1.07 | |
| BandLuxe C270 | Support | V2.07 | |
| BandLuxe MBD-100HU | Support | V2.07 | |
| C-Motech CCU-550 | Support | V2.0 | |
| Emobilre D12LC | Support | V2.07 | |
| FW2011-R-H3G | Support | V2.07 | |
| FW2011-T | Support | V2.07 | |
| Huawei E156G | Support | V2.07 | |
| Huawei E160e | Support | V2.07 | |
| Huawei E160G | Support | V2.07 | |
| Huawei E169 | Support | V2.07 | |
| Huawei E169G | Support | V2.07 | |
| Huawei E170 | Support | V2.0 | |
| Huawei E176 | Support | V2.07 | |
| Huawei E180 | Support | V2.07 | |
| Huawei E180G | Support | V2.07 | |
| Huawei E219 | Support | V1.07 | |
| Huawei E220 | Support | V2.07 | |
| Huawei E226 | Support | V2.07 | |
| Huawei E270 | Support | V2.0 | |
| Huawei E272 | Support | V2.07 | |
| Huawei E618 | Support | V2.07 | |
| Huawei E620 | Support | V2.07 | |
| Huawei E630 | Support | V2.07 | |
| Huawei E800 | Support | V2.07 | |
| Huawei EC-1260 | Support | V2.07 | |
| Huawei EC-1261 | Support | V2.07 | |
| Huawei EC-1269 | Support | V2.07 | |
| Huawei EC-228 | Support | V2.07 | |
| iCON 225 | Support | V2.07 | |
| iCON 401 | Support | V2.07 | |
| iCON 505 | Support | V2.07 | |
| KPT 3G/3.5G (WM61) | Support | V1.07 | |
| Kyocera KPC680 Express Card | Support | V2.0 | |
| Maxon BP3 | Support | V2.07 | |
| Maxon BP3-Ext | Support | V2.07 | |
| Novatel MC760 | Support | V2.07 | |
| Novatel MC950D | Support | V2.07 | |
| Novatel Merlin XU 870 | Support | V2.07 | |
| Novatel Ovation 930D | Support | V1.07 | |
| Novatel U727 | Support | V2.07 | |
| Qisda H21 (Flying Beetle) | Support | V2.07 | |
| Quanta 3G MU-Q101 | Support | V1.07 | |
| Shenzhen Crius 209 | Support | V2.07 | |
| Sierra 875U | Support | V2.07 | |
| Sierra 880U | Support | V2.07 | |
| Sierra Aircard 875 | Support | V2.07 | |
| Sierra Aircard 880E | Support | V2.07 | |
| Sierra Compass 885 U | Support | V2.07 | |
| Sierra Wireless 888 | Support | V2.07 | |
| Sierra Wireless 598U | Support | V2.07 | |
| Sierra Wireless C885 | Support | V2.07 | |
| Sierra Wireless Compass 597 | Support | V2.0 | |
| Sony MD300 | Support | V1.07 | |
| Sony MD400 | Support | V2.07 | |
| T-mobile 110 | Support | V2.05 | |
| T-mobile 530 | Support | V2.07 | |
| Vodafone K3520 | Support | V2.07 | |
| Vodafone K3565 | Support | V2.07 | |
| Vodafone K3565-Z | Support | V2.07 | |
| Vodafone K3715 | Support | V2.07 | |
| ZTE MF622 | Support | V2.07 | |
| ZTE MF626 | Support | V2.07 | |
| ZTE MF627 | Support | V2.07 | |
| ZTE MF628 | Support | V2.07 | |
| ZTE MF636 | Support | V2.07 | |
| ZTE MF638 | Support | V2.07 | |