Usually 4MB to 8MB (e.g., Winbond or Spansion) to store the eCos or Linux-based firmware.
Integrated 2T2R (2 Transmit, 2 Receive) MIMO radio for 802.11n, achieving speeds up to 300Mbps on the 2.4GHz band. Schematic Modem Adsl Tp Link Wireless N Adsl2 300mbps
Often powered by Broadcom (e.g., BCM6358 or BCM6318B0) or TrendChip chipsets. This chip manages the MIPS CPU (typically 300–333MHz), the ADSL2+ PHY, and the internal switching fabric. Memory (RAM & Flash): Usually 4MB to 8MB (e