Bose 420128RM Users Manual
Model 420128RM Wireless Link Module
2.4 GHz
5.2GHz
5.8GHz
Antenna-A
1.98 dBi
4.18 dBi
4.98 dBi
Antenna-B
2.2 dBi
5.02 dBi
5.56 dBi
Band (GHz)
Target Power
2.4
3.08 dBm + 2dB
5.2
8.83 dBm + 2dB
5.8
9.31 dBm + 2dB
External Interface Specification
2016/6/13
Introduction
Model 420128RM Wireless Link Module is for the low latency wireless link between console and
bass box or rear surround speaker or both.
This document shows how to connect the wireless module.
Features and Functions
• 2.4GHz, 5.2GHz, 5.8GHz, 5.2/5.8GHz dual band, 2.4/5.2/5.8GHz tri band
o All band usage is under active software control according to each regional and
country band plan assignments. Where the use of any band conflicts with local
regulations, the radio will be locked out of that band.
• 22Mbps data rate (15 MHz nominal channel bandwidth).
• Modulation - QPSK
• Antenna types –Inverted F with following gains:
• Target Power –
• One module design can be used for both source and sink
o Source : Central Unit (CU)
o Sink : Mobile Unit (MU)
• Bi-directional audio and data
• Up to four uncompressed stereo audio channels (max 7.1ch configuration)
• I2S for audio
o Input (Source) : 44.1kHz, 48kHz
o Output (Sink) : 48kHz
• I2C for control
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Connection
Wireless (Module to Module)
• Point to point
• Point to multi point
Module to PCB
• 26 pin FFC
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Block diagram
Radio
(MHz)
2412.0
2438.0
2464.0
5180.0
5210.0
5240.0
5736.0
5762.0
5814.0
Bose module
Output
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