​The Summit SWM908SD Tx Module, Single Antenna – Standard Distance, is designed for products in non-metallic enclosures such as Soundbars, Televisions, and Audio Hubs, where external antennas are not desired due to cost, size or style limitations. The single internal antenna module employs an RF combiner to provide access to the antenna for both the working and monitor radios, resulting in a module size approximately 30% smaller than the previous two antenna module.


  • 24 RF channels, 5-5.8 GHz operation
  • 7.1 channel, 24-bit, uncompressed audio transmission up to 96 kHz sample rates
  • 5.1 ms/2.6 ms fixed audio latency source to speaker​(48 kHz/96 kHz sample rates, respectively)
  • ±1 μs inter-channel (speaker-to-speaker) delay
  • Single integrated PCB antenna
  • Pre-certified module – FCC part 15, DFS, WiSA
  • Support for Soundbar, TV, and AVR applications



Audio Sampling Rates
Latency (I2S source to RX output)
Inter-channel Delay Error
Frequency Band
Power Consumption
Transmit Distance


89.79mm x 30.48mm
24-bit audio: 44.1 kHz, 48 kHz, and 96 kHz audio rates supported
Fixed 5.1 ms @ 48 kHz sample rate, 2.6 ms @ 96 kHz sample rate
±1 μs (Speaker-to-speaker timing skew)
U-NII 5.1 – 5.8 GHz, 24 non-overlapping channels (varies by country), DFS support
2.0 Watts typical; 3.3 VDC ± 5%, 500 mA (typical); 1.2 VDC ± 5%, 165 mA (typical)
Designed for use in 9 x 9 m (30’ x 30’) rooms
FCC Part 15 & DFS for US/Canada, EU, Japan, Australia/New Zealand; WiSA

Summit Wireless Technology Overview

​Summit’s wireless network operates in the uncongested bands of the 5 GHz spectrum previously reserved for radar and weather applications but still strictly enforced.    These offer virtually interference free operation unlike over-crowded WiFi and Bluetooth networks.    The Tx is continually scanning all 24 RF channels, and should its current channel experience poor QoS, then it will coordinate a Tx/Rx hop to a pre-selected open band without interrupting the audio stream.