TCL RS2T58M TX Transmitter Module Instruction Manual

: July 16, 2024
: TCL

Table of Contents

TCL RS2T58M TX Transmitter Module
Product Usage Instructions
Features
Block Diagram
Absolute Maximum Ratings
Standard Test Conditions
RF Channel List
FCC Statement
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Download This Manual (PDF format)

TCL RS2T58M TX Transmitter Module

Specifications

Wireless audio transferring module
Small size and low power
Designed based on CC2538 MCU and BK5813 RF chip
Supports 5.2/5.8GHz GFSK modulation
Size: 60mm x 35mm
PCB Onboard Antenna (Double antenna) or External FPC Antenna
I2S digital audio interface
I2S sampling rate supports: 16K/32K/44.1K/48K/88.2K/96K/176.4K/192K
Bit depth: 16bit/24bit
Supports I2C or UART to control external devices
IO input and output configuration
Main and auxiliary audio delay time

Product Usage Instructions

Installation

Ensure the module is powered off before installation.
Connect the appropriate antennas based on your setup – PCB Onboard Antenna or External FPC Antenna.
Securely mount the module in a suitable location within your audio setup.

Connectivity

Establish a connection with the corresponding receiving module (RSR_BK58_RX_V1.0) to enable audio transfer.
Configure the I2S digital audio interface settings to match your audio source.

Control and Configuration

Use either I2C or UART to control external devices connected to the module.
Set up the IO input and output configuration as needed for your specific application.

Audio Settings

Adjust the main and auxiliary audio delay time for synchronization purposes if required.
Ensure the I2S sampling rate and bit depth are correctly set to match your audio source.

FAQ

Q: What is the recommended power supply voltage for the module?
A: The recommended power supply voltage for the module is [X] volts. Ensure to adhere to this specification to avoid damage.
Q: Can I use multiple RSR_235M_2T_5.8G modules simultaneously?
A: Yes, multiple modules can be used simultaneously within the specified operating conditions for extended audio coverage or multi-channel setups.
Q: How can I troubleshoot connectivity issues with the module?
A: If you encounter connectivity issues, try repositioning the antennas, ensuring proper power supply, and checking for interference from other electronic devices.

Change history

17-19

|

2024/04/12

|

YJX

| The I2S data corresponding to the 8ch audio signal| | |
| | | |
| | | |

Features

RSR_235M_2T_5.8G is a wireless audio transferring module with small size and low power . Its designed based on CC2538 MCU and BK5813 RF chip.Cooperate with RSR_BK58_RX_V1.0 can achieve two sending and eight receiving
RSR_235M_2T_5.8G
BK5813 RF chip
RSR_BK58_RX_V1.0

5.2/5.8GHz GFSK modulation
Size：60mmx35mm
PCB Onboard Antenna(Double antenna) or External FPC Antenna
I2S digital audio interface, I2S sampling rate supports16K/32K/44. 1K/48K/88.2K/96K/ 176.4K/ 192K
bit 16bit/24bit
I2C or UART to control external devices
IO input and output configuration
Main and auxiliary audio delay time <25ms
Application: wireless speakers, wireless subwoofer, home Theater

Block Diagram

Absolute Maximum Ratings

Caution : The specifications above the Table define levels at which permanent damage to the device can occur. Function operation is not guaranteed under these conditions.
Operating at absolute maximum conditions for extend periods can adversely affect the long-term reliability of the device.

Parameter	Min	Max	Unit
Storage Temperature	-10	85	℃
StorageHumidity(@40℃)	–	90	%

Other conditions

Do not use or store modules in the corrosive atmosphere, especially where chloride gas, sulfide gas, acid, alkali, salt or the like are contained. Also, avoid exposure to moisture.
Store the modules where the temperature and relative humidity do not exceed 5 to 40℃ and 20 to 60%.

Operating Conditions

Parameter	Min	Typ	Max	Unit
Ambient Temperature	0

–

| 85| ℃
Ambient Humidity (40℃)|

–

|

–

| 85| %
Supply Voltage| 4.75| 5.0| 5.25| Vdc

Standard Test Conditions

The Test for electrical specification shall be performed under the following condition Otherwise this following conditions, not guaranteed this performance.

Ambient condition

Temperature	25±5℃
Humidity	65±5%

Power supply voltages

Input power	Supply Voltage
+5.0	+5.0V ±0.25V（5%）

Current Consumption

Current Consumption	Average Current	Unit
Tx Mode	250	mA

RF Performance

Parameter（Condition）	Min	Typ	Max	Unit
Channel Range	5150	–	5250	MHz
5725	–	5850
Tx output power	4	7.9	11	dBm
Rx sensitivity			-80	dBm
20dB Bandwidth	–	–	4.0	MHz

RF Performance

Parameter (Condition)	Min	Typ	Max	Unit
ChannelRange	5150	–	5250	MHz
5725	–	5850
Tx outputpower	4	7.9	11	dBm
Rx sensitivity			-80	dBm
20dBBandwidth	–	–	4	MHz

Normal Condition : 25τ ,VDD=3.3V.
RF characteristics is board limit. It can differ according to standards.
Rx power :Blck RX – (Attenuator + Cable loss)

Note：Cable loss=0.2dBm

RF Channel List

5.2G

5155	5163	5171	5179	5187	5195	5203	5211	5219	5227	5235	5241
5159	5167	5175	5183	5191	5199	5207	5215	5223	5231	5239	5245

5.8G

5730 5738 5746 5754 5762 5770 5778 5786 5794 5802 5810 5818 5826 5834 5842

5734| 5742| 5750| 5758| 5766| 5774| 5782| 5790| 5798| 5806| 5814| 5822| 3830| 5838| 5848

Audio Specification (I2S to I2S)

Item	Min	Typ	Max	Unit	Note
SNR	–	TBC	–	dB	@ 1kHz
THD+ N	–	TBC	–	%	@ 1kHzstere o
Frequency response	–	TBC	–	KHZ	@48Kstereo
Dynamic range	–	TBC	–	dB	@ 1kHz
Delay	–	24	≤30	ms

Timing Parametric Requirements Information

| | | MIN| NOM| MAX| UNIT|
a~b| IIC setup time| ‐| ‐| 100| ms
b~c| IIS setup time| ‐| ‐| 100| ms

Interface Specification

Symbol	Parameter	Min	Unit
tBLR	BCKrising toLRCKedge	40	ns
tLRB	LRCKedge toBCKrise	40	ns
tSDS	SDATA setuptime	40	ns
tSDH	SDATAhold time	40	ns

The audio signal corresponding to I2S DATA I2S DATA

Tx	I2S_DATA	AUDIO signal(6CH)	AUDIO signal(8CH)

TX1

TX2

RSR_235M_2T_5.8G connect pin description

pin	Pin name	I/O Type		I/O Level		I/O Current	Functions description
1	VDD(5.0V)	P		5V

250mA

| Power Supply ，connect to VDD5V
2| VDD(5.0V)| P| | 5V| | Power Supply ，connect to VDD5V
3| GND| P| | 0V| | | Power ground
4| GND| P| | 0V| | | Power ground
5| I2S_DIN3| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±8mA| I2S_DATA4_IN(STEREO)
6| GND| P| | 0V| | | Power ground
7| I2S_DIN2| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±8mA| I2S_DATA3_IN(STEREO)
8| GND| P| | 0V| | | Power ground
9| I2S_DIN1| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±8mA| I2S_DATA2_IN(STEREO)
10| GND| P| | 0V| | | Power ground
11| I2S_DIN0| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±8mA| I2S_DATA1_IN(STEREO)
12| GND| P| | 0V| | | Power ground
13| GND| P| | 0V| | | Power ground
14| I2S_LRCK| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±8mA| I2S_LRCK_IN
15| GND| P| | 0V| | | Power ground
16| I2S_BCK| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±8mA| I2S_BCK_IN
17| GND| P| | 0V| | | Power ground
18| TX/I2C_SCL| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±20mA| UART or I2C_SCL control
19| RX/I2C_SDA| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±20mA| UART or I2C_SCL control
20| GND| P| | 0V| | | Power ground
21| INT| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±20mA| INT active-low
22| GPIO| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±20mA| Reserved for future use Default low
23| GND| P| | 0V| | | Power ground
24| PAIR| I/O| Low:0-0.4V| High:2.3-3.3V| Default：0V| ±20mA| Connect pair key

FFC_24P_0.5MM SPECIFICATION

PCB Layout

Reference schematic

FCC Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

This equipment complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference, and
This device must accept any interference received, including interference that may cause undesired operation.

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Please notice that if the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following:
“Contains FCC ID: 2BEHE-RS2T58M” any similar wording that expresses the same meaning may be used.

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
The module is limited to OEM installation ONLY.
The OEM integrator is responsible for ensuring that the end user has no manual instruction to remove or install module.
The module is limited to installation in mobile application.
A separate approval is required for all other operating configurations, including portable configurations with respect to Part 2.1093 and difference antenna configurations.
There is requirement that the grantee provide guidance to the host m anufacturer for compliance with Part 15B requirements.
The module complies with FCC Part 15.247 / Part 15.407 and apply for Single module approval.

Canada Statement
This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two conditions:

This device may not cause interference; and
This device must accept any interference, including interference that may cause undesired operation of the device.

Please notice that if the ISED certification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following:
“Contains IC: 26250-RS2T58M” any similar wording that expresses the same meaning may be used.
The device for operation in the band 5150-5250 MHz is only for indoor use to reduce the potential for harmful interference to co-channel mobile satellite systems.
The device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS-102 RF exposure, users can obtain Canadian information on RF exposure and compliance.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body.