High Performance 4x4 802.11ac 2.4 GHz RF Single Chip Optimized for Dense Environments

The CL2442 is a future-ready, powerful, highly integrated, 4x4 802.11ac single chip implementing 802.11ac functionality including beamforming and 4 Spatial Streams. The CL2442 integrates both a CPU and memory to run more of the wireless LAN functions on-chip, delivering a strong host offloading solution with no need for costly external memories.


  • IPTV and Cable Home Gateway Data & Video Distribution
  • Carrier-Grade Unified Home Gateway
  • Carrier-Grade Home Networking
  • Multi-Room DVR
  • Wi-Fi enabled Set-Top Boxes and Hybrid DVB-S/C/T
  • Wireless TV for Over the Top Content
  • Enterprise Access Points


  • Single chip solution with integrated RF, Baseband and MAC
  • IEEE 802.11ac 4T4R 
  • Explicit and Implicit beamforming for increased coverage
  • IEEE 802.11b/g/n compliant 
  • Cost effective PCIe bus and architecture
  • Built-in powerful CPU, memories and accelerators for maximum host offloading
  • 20MHz/40MHz Bandwidth
  • QAM 256 (MCS 8, 9) modulation
  • Real-time Rx and Tx antenna diversity
  • LDPC Tx and Rx on both 802.11ac and 802.11n
  • STBC Tx and Rx
  • Short guard interval (Short GI)
  • Frame Aggregation and block ACK
  • WEP 64/128, WPA, WPA2, TKIP, AES, WAPI
  • IEEE 802.11e, h, i, k, r, v, w, z support
  • Multiple BSSID support
  • PCI Express v2.0 (backwards compatible with v1.1)
  • Support wake event signaling in Wake-On-WLAN applications