QCA9994 Dual-Band 4x4 with 4 SS MIMO 802.11ac/abgn WLAN SoC Device Specification
Introduction
1.2 Features
General
4x4 SU-/MU-MIMO technology improves effective throughput and range over existing 802.11a/n/
ac
products
Support for up to four spatial streams
Support for 48-MHz crystal
156-pin, 12 mm x 12 mm DRQFN package
Package footprint compatible with QCA9980/QCA9990
WLAN
Dual-synthesizer WLAN radio with 160 MHz and 80+80 MHz support
Supports 20/40/80/160/80+80 MHz at 5 GHz
Supports up to 256 QAM
Data rates of up to 1.733 Gbps in 802.11ac 80 MHz channels using reduced (short) guard interval (GI)
Multi-user MIMO (MU-MIMO) beamformer
802.11ac explicit transmit beamforming (TxBF) and legacy implicit TxBF for both beamformer and
beamformee
TCP and UDP checksum offload
Dynamic bandwidth switching
Per-packet switching between 4SS/80 MHz, 2SS/160 or 80+80 MHz
Dynamic frequency selection (DFS) in required 5-GHz bands when used as an AP
Maximal likelihood (ML) decoding
Supports spatial multiplexing, cyclic-delay diversity (CDD), low-density parity check (LDPC),
maximal ratio combining (MRC), Space Time Block Code (STBC)
AMSDU and AMPDU frame aggregation
802.11e-compatible bursting
Digital predistortion
Support for locationing (RSSI and RTT-based, 802.11REVmc compliant)
Supported Standards
802.11a/n/ac
Support for IEEE 802.11d, e, h, i, j, k, r, u, v time stamp, w, and z standards
CPU/Memory
Integrated CPU for Wi-Fi offload with memory
On-chip OTP memory
