wireless driver

Running a Dell Studio 1535
I have ubuntu mate installed on hard drive.
Trying to access gilmar public

The wireless card is not displaying. Says it is enabled in BIOS.
Broadcom wireless

Module Size Used by
nls_iso8859_1 16384 1
snd_hda_codec_hdmi 61440 1
snd_hda_codec_idt 61440 1
snd_hda_codec_generic 81920 1 snd_hda_codec_idt
snd_hda_intel 53248 5
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_hda_codec 131072 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_idt
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_idt
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 106496 5 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_seq_midi 20480 0
b43 417792 0
uvcvideo 98304 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 36864 1 snd_seq_midi
videobuf2_vmalloc 20480 1 uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
cordic 16384 1 b43
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
videodev 225280 3 videobuf2_v4l2,uvcvideo,videobuf2_common
bcma 65536 1 b43
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_timer 36864 2 snd_seq,snd_pcm
mac80211 843776 1 b43
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
snd 90112 20 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_hda_codec_idt,snd_rawmidi
r852 24576 0
sm_common 16384 1 r852
soundcore 16384 1 snd
cfg80211 704512 2 b43,mac80211
nand 106496 2 r852,sm_common
dell_wmi 20480 0
dell_laptop 24576 0
sparse_keymap 16384 1 dell_wmi
nand_ecc 16384 1 nand
ledtrig_audio 16384 2 snd_hda_codec_generic,dell_laptop
libarc4 16384 1 mac80211
joydev 24576 0
input_leds 16384 0
serio_raw 20480 0
bch 24576 1 nand
dell_smbios 28672 2 dell_wmi,dell_laptop
dell_wmi_descriptor 20480 2 dell_wmi,dell_smbios
dcdbas 20480 1 dell_smbios
nandcore 16384 1 nand
dell_smm_hwmon 20480 0
mtd 65536 2 nand,sm_common
r592 20480 0
memstick 20480 1 r592
wmi_bmof 16384 0
ir_rc6_decoder 20480 0
rc_rc6_mce 16384 0
coretemp 20480 0
ite_cir 28672 0
rc_core 53248 4 ite_cir,ir_rc6_decoder,rc_rc6_mce
mac_hid 16384 0
sch_fq_codel 20480 2
parport_pc 40960 0
ppdev 24576 0
lp 20480 0
parport 53248 3 parport_pc,lp,ppdev
ip_tables 32768 0
x_tables 40960 1 ip_tables
autofs4 45056 2
gpio_ich 16384 0
i915 1986560 2
i2c_algo_bit 16384 1 i915
firewire_ohci 40960 0
sdhci_pci 53248 0
cqhci 28672 1 sdhci_pci
ahci 40960 2
firewire_core 65536 1 firewire_ohci
sdhci 65536 1 sdhci_pci
drm_kms_helper 184320 1 i915
crc_itu_t 16384 1 firewire_core
psmouse 155648 0
i2c_i801 32768 0
libahci 32768 1 ahci
lpc_ich 24576 0
syscopyarea 16384 1 drm_kms_helper
tg3 172032 0
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
ssb 73728 1 b43
drm 491520 5 drm_kms_helper,i915
wmi 32768 4 dell_wmi,wmi_bmof,dell_smbios,dell_wmi_descriptor
video 49152 3 dell_wmi,dell_laptop,i915