Dell Wireless DW1705 Half-Height Mini-PCI Express Card. This card combines DW1705 WLAN and BT 4.0+HS (Bluetooth) onto one card.

Compatible Dell Laptops:
-Inspiron 3647
-Inspiron 3646
-Inspiron 3847
-Vostro 3549
-Inspiron 2350
-Vostro 3449
-Vostro 3445
-Vostro 3446
-Inspiron 3441
-Inspiron 17 (3721), 17R (5721), 15R (5521), 15 (3521), 14 (3421), 14R (5421), 15R (5537), 14R (5437), 14 (3437), 17R (5737), 17 (3737), 11 (3137), 15 (3537), 14 (3442), 15 (3542), M731R (5735), 11 (3135), 11 (3138), 17 (5748), M531R (5535), 15 (3541), 15 (3543), 17 (5749), 14 (3443)
-Latitude 3540, 3440
-Vostro 2421, 3546

Dell PN: 5GC50, 05GC50