Hi ajavibp,
do you have the firmware "firmware-realtek" (Debian package) installed?
Package: firmware-realtek
Source: firmware-nonfree
Version: 0.44
Installed-Size: 790
Maintainer: Debian Kernel Team <debian-kernel@lists.debian.org>
Architecture: all
Suggests: initramfs-tools
Description-en: Binary firmware for Realtek wired and wireless network adapters
This package contains the binary firmware for some Ethernet adapters with
the RTL8111/RTL8168 chips supported by the r8169 driver; and wireless
network cards with the RTL8188, RTL8192, RTL8712, RTL8723 and RTL8821
chips supported by the r8192_pci, r8192s_usb, r8712u, rtl8188eu,
rtl8192ce, rtl8192cu, rtl8192de, rtl8192ee, rtl8192se, rtl8723ae,
r8723au/rtl8723au, rtl8723be and rtl8821ae drivers.
.
Contents:
* Realtek RTL8192E boot code (RTL8192E/boot.img)
* Realtek RTL8192E init data (RTL8192E/data.img)
* Realtek RTL8192E main code (RTL8192E/main.img)
* Realtek RTL8192SU firmware, version 902B (RTL8192SU/rtl8192sfw.bin)
* Realtek RTL8105E-1 firmware (rtl_nic/rtl8105e-1.fw)
* Realtek RTL8106E-1 firmware, version 0.0.1 (rtl_nic/rtl8106e-1.fw)
* Realtek RTL8106E-2 firmware, version 0.0.1 (rtl_nic/rtl8106e-2.fw)
* Realtek RTL8107E-1 firmware, version 0.0.2 (rtl_nic/rtl8107e-1.fw)
* Realtek RTL8107E-2 firmware, version 0.0.2 (rtl_nic/rtl8107e-2.fw)
* Realtek RTL8111D-1/RTL8168D-1 firmware (rtl_nic/rtl8168d-1.fw)
* Realtek RTL8111D-2/RTL8168D-2 firmware (rtl_nic/rtl8168d-2.fw)
* Realtek RTL8168E-1 firmware (rtl_nic/rtl8168e-1.fw)
* Realtek RTL8168E-2 firmware (rtl_nic/rtl8168e-2.fw)
* Realtek RTL8168E-3 firmware, version 0.0.4 (rtl_nic/rtl8168e-3.fw)
* Realtek RTL8168F-1 firmware, version 0.0.5 (rtl_nic/rtl8168f-1.fw)
* Realtek RTL8168F-2 firmware, version 0.0.4 (rtl_nic/rtl8168f-2.fw)
* Realtek RTL8168G-1 firmware, version 0.0.3 (rtl_nic/rtl8168g-1.fw)
* Realtek RTL8168G-2 firmware, version 0.0.1 (rtl_nic/rtl8168g-2.fw)
* Realtek RTL8168G-3 firmware, version 0.0.1 (rtl_nic/rtl8168g-3.fw)
* Realtek RTL8168H-1 firmware, version 0.0.2 (rtl_nic/rtl8168h-1.fw)
* Realtek RTL8168H-2 firmware, version 0.0.2 (rtl_nic/rtl8168h-2.fw)
* Realtek RTL8402-1 firmware, version 0.0.1 (rtl_nic/rtl8402-1.fw)
* Realtek RTL8411-1 firmware, version 0.0.3 (rtl_nic/rtl8411-1.fw)
* Realtek RTL8411-2 firmware, version 0.0.1 (rtl_nic/rtl8411-2.fw)
* Realtek RTL8188EE firmware (rtlwifi/rtl8188efw.bin)
* Realtek RTL8188EU firmware (rtlwifi/rtl8188eufw.bin)
* Realtek RTL8192CE/RTL8188CE firmware (rtlwifi/rtl8192cfw.bin)
* Realtek RTL8192CE/RTL8188CE B-cut firmware
(rtlwifi/rtl8192cfwU_B.bin)
* Realtek RTL8188CE A-cut firmware, version 4.816.2011
(rtlwifi/rtl8192cfwU.bin)
* Realtek RTL8192CU/RTL8188CU UMC A-cut firmware
(rtlwifi/rtl8192cufw_A.bin)
* Realtek RTL8192CU/RTL8188CU UMC B-cut firmware
(rtlwifi/rtl8192cufw_B.bin)
* Realtek RTL8192CU/RTL8188CU TMSC firmware
(rtlwifi/rtl8192cufw_TMSC.bin)
* Realtek RTL8192CU/RTL8188CU fallback firmware
(rtlwifi/rtl8192cufw.bin)
* Realtek RTL8192DE firmware (rtlwifi/rtl8192defw.bin)
* Realtek RTL8192EE firmware (rtlwifi/rtl8192eefw.bin)
* Realtek RTL8192SE/RTL8191SE firmware, version 4.816.2011
(rtlwifi/rtl8192sefw.bin)
* Realtek RTL8192SU/RTL8712U firmware (rtlwifi/rtl8712u.bin)
* Realtek RTL8723AU rev A with-Bluetooth firmware
(rtlwifi/rtl8723aufw_A.bin)
* Realtek RTL8723AU rev B with-Bluetooth firmware
(rtlwifi/rtl8723aufw_B.bin)
* Realtek RTL8723AU rev B no-Bluetooth firmware
(rtlwifi/rtl8723aufw_B_NoBT.bin)
* Realtek RTL8723BE firmware (rtlwifi/rtl8723befw.bin)
* Realtek RTL8723AE rev B firmware (rtlwifi/rtl8723fw_B.bin)
* Realtek RTL8723AE rev A firmware (rtlwifi/rtl8723fw.bin)
* Realtek RTL8821AE firmware (rtlwifi/rtl8821aefw_wowlan.bin)
* Realtek RTL8821AE firmware (rtlwifi/rtl8821aefw.bin)
Description-md5: c2ccab44f96828660e1b7856051eec2b
Multi-Arch: foreign
Homepage: http://git.kernel.org/?p=linux/kernel/git/firmware/linux-firmware.git
Section: non-free/kernel
Priority: optional
Filename: pool/non-free/f/firmware-nonfree/firmware-realtek_0.44_all.deb
Size: 240520
MD5sum: 300afad32880a3cbcfbe18c832b97db2
SHA1: 67f55c124be9b60a5fedae16bd50be31da0452f1
SHA256: 1d77e0dcdbe3e0c766c05511a0a855f530f61edc560ba3d498ab89352da3ba8a