| File Name | wl 3870 1.4.9.1 xp00 |
| Driver File | wl_3870_1.4.9.1_xp00.zip |
| File Size | 1.35 Mb |
| Systerm | XP64 |
| Driver Version | 1.04.09.0001 |
| Driver Release Date | 18 November 2009 |
| Fit For Device | Ralink RT2770/2720 802.11b/g/n Wireless LAN Mini-USB Device |
| Device Type | Microsoft Multimedia |
| HardWare IDs | USB\VID_1D4D&PID_0002 |