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Summary of Contents for RF-Star CC26X2R
- Page 1 CC26X2R Bluetooth Low Energy 5.0 Master-Slave Module and Protocol Version: V1.0 Shenzhen RF-star Technology Co., Ltd. Aug. 12 , 2022...
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Page 2: Revision History
1. The document will be optimized and updated from time to time. Before using this document, please make sure it is the latest version. 2. To obtain the latest document, please download it from the official website: www.rfstariot.com, www.szrfstar.com. Shenzhen RF-star Technology Co., Ltd. Page 1 of 78... -
Page 3: Table Of Contents
Generic Access UUID: 0x1800 .......................... 17 Device Name ................................17 Peripheral Preferred Connection Parameters ....................17 6 AT Command .................................. 18 6.1 AT Command Format ............................. 18 6.2 AT Command List ............................. 19 Shenzhen RF-star Technology Co., Ltd. Page 2 of 78... - Page 4 • PHY Rate ..............................44 • Baud Rate ..............................45 • Serial Port Frame Size and Timeout Time ..................46 • Serial Port Echo ............................47 • Device Status Display ..........................48 Shenzhen RF-star Technology Co., Ltd. Page 3 of 78...
- Page 5 10.5.2 Vulnerable Module ........................... 71 10.5.3 High Bit Error Rate ........................... 71 10.6 Electrostatics Discharge Warnings ......................71 10.7 Soldering and Reflow Condition ......................71 12 Contact Us ..................................73 Appendix A: ..................................74 Shenzhen RF-star Technology Co., Ltd. Page 4 of 78...
- Page 6 2.3 0 dBm, 1000 ms broadcast cycle: 25.58 μA ................77 3 Connection Mode ..............................78 3.1 0 dBm, 20 ms connection interval: 414.09 μA ................78 3.2 0 dBm, 100 ms connection interval: 86 μA ................... 78 Shenzhen RF-star Technology Co., Ltd. Page 5 of 78...
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Page 7: Overview
Support acquire and modify the MAC address (take effect after resetting) by AT command. 10. Support modify the Bluetooth connection interval and control different transmit rates (dynamic power consumption adjustment) by AT command. Shenzhen RF-star Technology Co., Ltd. Page 6 of 78... -
Page 8: Working Mode Specification
Connection interval: 100 ms 89.27 μA 5 dBm UART Enabled 1.41 mA Disabled broadcasting 2.3 Working Mode Specification The device supports four working modes as below: BLE slave mode BLE master mode Shenzhen RF-star Technology Co., Ltd. Page 7 of 78... -
Page 9: Default Configurations In Slave Mode
AT commands. 2.6 Description of Default Broadcast Data As shown in the figure above, it is the default broadcast data of the device. Shenzhen RF-star Technology Co., Ltd. Page 8 of 78... -
Page 10: Device Status Specifications
If AT+CONNECT command failed to connect to the device, the prompt will show FAIL, please refer to the command description for the reason. Multi-connection means multiple devices automatically reconnect. When an opposite device disconnects abnormally, the device will initiate reconnection. Please refer to the command description. Shenzhen RF-star Technology Co., Ltd. Page 9 of 78... - Page 11 4 devices, so the data source should be included in the data packets, otherwise it cannot be identified which device the data came from. Figure 1. Multi-Connection Diagram Shenzhen RF-star Technology Co., Ltd. Page 10 of 78...
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Page 12: Package And Pin Assignment
CC26X2R www.szrfstar.com V1.0 - Aug., 2022 3 Package and Pin Assignment Figure 2. PCB Footprint of RF-BM-2642B1 Figure 3. Pin Assignment of RF-BM-2642B1 Shenzhen RF-star Technology Co., Ltd. Page 11 of 78... - Page 13 MCU. All parameters will be reset to factory settings after this pin is set low RESTORE for 3 s. 10 ~ 16 P09 ~ P15 Connect J-Link JTAG_TMSC － Shenzhen RF-star Technology Co., Ltd. Page 12 of 78...
- Page 14 V1.0 - Aug., 2022 Connect J-Link JTAG_TCKC － 19 ~ 33 P16 ~ P30 Power Supply Power supply: 1.8 V~ 3.8 V, recommended to 3.3 V Ground RESET Reset pin, active low (internal pull-up) Shenzhen RF-star Technology Co., Ltd. Page 13 of 78...
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Page 15: Uart Transparent Transmission Protocol (Bridge Mode)
5. Most serial port tools on the PC end do not have CTS detection. When the Bluetooth communication rate is lower than the serial port rate, for reliable transparent transmission, please use flow control. It is recommended to use the software SecureCRT. Shenzhen RF-star Technology Co., Ltd. Page 14 of 78... -
Page 16: Ble Protocol Specification (App Interface)
The command must Remarks end with a carriage return and line feed (CRLF) (\r\n or 0x0D0A etc.). The master needs to open notify to receive the data sent by the module. Shenzhen RF-star Technology Co., Ltd. Page 15 of 78... -
Page 17: Device Information Uuid: 0X180A
Such as RF-BM-26X2B1, which indicates that this firmware is suitable for the corresponding model of the module. Manufacturer Name Characteristics UUID 0x2A29 Executable Operations READ Remarks Shenzhen RF-star Technology Co., Ltd. Shenzhen RF-star Technology Co., Ltd. Page 16 of 78... -
Page 18: Generic Access Uuid: 0X1800
The 1 bytes are the minimum coordinated connection interval. The 3 bytes are the maximum coordinated connection interval. Remarks The 5 bytes are Slave Latency. The 7 bytes are Supervision Timeout Multiplier. Shenzhen RF-star Technology Co., Ltd. Page 17 of 78... -
Page 19: At Command
7. The parameters in any command cannot contain invisible characters such as spaces and tabs. 8. The setting value can not be exceeding the settable range of the parameters. Shenzhen RF-star Technology Co., Ltd. Page 18 of 78... -
Page 20: At Command List
Send data via AT command. Take effect immediately. Only effective in master mode and master-slave AT+CONNECT Connect the device. mode. Query the connected device list of the AT+CNT_LIST Take effect immediately. current device. Shenzhen RF-star Technology Co., Ltd. Page 19 of 78... - Page 21 Take effect after the next connection, can be AT+AUTH Query/set the user authentication. saved after power off. AT+AUTH_KEY Enter the user authentication passkey. Only effective in master mode and master-slave Shenzhen RF-star Technology Co., Ltd. Page 20 of 78...
- Page 22 Query the device firmware version. Return Value of AT Command Successful operation. FAIL Failed operation. ERROR Error operation. BUSY The operation is busy, please wait for the fulfillment of the previous operation. Shenzhen RF-star Technology Co., Ltd. Page 21 of 78...
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Page 23: Detailed At Command
Parameter 2: Broadcast name of the current device. The factory default is Tv470u_XXXXXX. XXXXXX is the last three bytes of the MAC address. AT+NAME= Function Set the device name. Example AT+NAME=0,TEST-NAME Example AT+NAME=1,544553542D4E414D45 Shenzhen RF-star Technology Co., Ltd. Page 22 of 78... -
Page 24: Mac Address
Query the parameter range of this command. Example AT+ROLE=? AT+ROLE=[0,1,2,3] Return Value 0: Slave (by default) 1: Master Remark 2: Master-slave 3: Beacon, connectable. (The serial port is disabled by default and unavailable in this mode. The Shenzhen RF-star Technology Co., Ltd. Page 23 of 78... -
Page 25: Tx Power
Query the parameter range of this command. Example AT+POWER= AT+POWER=[-20,-18,-15,-12,-10,-9,-6,-5,-3,0,1,2,3,4,5] Return Value Remark AT+POWER? Function Query the current TX power of the device. Example AT+POWER? AT+POWER=4 Return Value Remark The current TX power is 4 dBm. Shenzhen RF-star Technology Co., Ltd. Page 24 of 78... -
Page 26: Broadcast Parameter
Enable unconnectable broadcasting with 500 ms broadcast interval. Take effect immediately under slave mode and Beacon mode, and take effect after reboot under Remark master-slave mode. Can be saved after power off. Shenzhen RF-star Technology Co., Ltd. Page 25 of 78... -
Page 27: User-Defined Broadcast Data
DATA? Function Query the user-defined broadcast response packet data. Example AT+RSP_DATA? AT+RSP_DATA=0,XXXXXXXXXXXXXXXXXX…… Return Value Remark Parameter 1: The current device input format of broadcast response packet data. (0: ASCII, 1: HEX) Shenzhen RF-star Technology Co., Ltd. Page 26 of 78... -
Page 28: Long Range Broadcast
Function Set the Long Range broadcast (enable/disable). Example AT+LE_CODED=1 Return Value Enable Long Range broadcast. Remark After enabled, the broadcast itself does not carry data, and the command "AT+ADV_EXT" needs to Shenzhen RF-star Technology Co., Ltd. Page 27 of 78... -
Page 29: Extended Broadcast (Big Broadcast Packet)
OK when the specified length is reached, as shown below. If the set timeout time is up but the specified input data length is not reached, it will return to RECEIVE_TIMEOUT. For example: Send →◇AT+ADV_EXT=120,5000 Shenzhen RF-star Technology Co., Ltd. Page 28 of 78... -
Page 30: Beacon
Remark: In this mode, the serial port is disabled by default and unavailable under this mode. The serial port can be enabled by pulling low the serial port sleep control pin or by waking up through the serial port. Shenzhen RF-star Technology Co., Ltd. Page 29 of 78... -
Page 31: Scan As A Master
Modifying this parameter can increase the speed of automatic reconnection. In s, 3 seconds is by default. AT+SCAN? Function Query the scan status and timeout time settings. Example AT+SCAN? Return Value AT+SCAN=0,10,1,3 Shenzhen RF-star Technology Co., Ltd. Page 30 of 78... - Page 32 20 seconds), and print the MAC address, RSSI value, and device name of the slave devices, where "0, 1, 2, 3..." is the serial number of the scanned devices (Scan for devices with name by default). Shenzhen RF-star Technology Co., Ltd. Page 31 of 78...
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Page 33: Phy Of Master Role
• Connection as a Master AT+CONNECT= Connect to the specified device according to the serial number of the list or MAC address Function returned by "AT+SCAN" command. Example 1 AT+CONNECT=1 Return Value 43:D5:CF:24:60:94 CONNECTED Shenzhen RF-star Technology Co., Ltd. Page 32 of 78... -
Page 34: Display The Connected Devices
This command is used with AT+TTM_HANDLE together. For example, AT+TTM_HANDLE=0 means that the master role transparently transmits the data value to the device whose handle value is 0 and the MAC address is FF:1C:2B:D1:4C:BD. Shenzhen RF-star Technology Co., Ltd. Page 33 of 78... -
Page 35: Disconnection
Remark Under the master mode, disconnect the slave device with the handle value of 1. AT+DISCONNECT Function Disconnect all the currently connected devices. Example AT+DISCONNECT Return Value F1:F2:F3:F4:F5:F6 DISCONNECTED 5D:61:9B:78:2E:5E DISCONNECTED Shenzhen RF-star Technology Co., Ltd. Page 34 of 78... -
Page 36: Automatic Reconnection
“AT+SLEEP=,1” to enable the BLE function). 2. After using the command "AT+SLEEP=,0" to disable the BLE function, the device will not automatically reconnect. When BLE is enabled again, the device will automatically reconnect. Shenzhen RF-star Technology Co., Ltd. Page 35 of 78... -
Page 37: Delete Automatic Reconnection Device
• Delete Automatic Reconnection Device AT+DEV_DEL= Delete the stored devices. Function Take effect immediately after setting, can be saved after power off. Only effective in master mode and master-slave mode. Example 1 AT+DEV_DEL=FF:1C:2B:D1:4C:BD Return Value Shenzhen RF-star Technology Co., Ltd. Page 36 of 78... -
Page 38: Connection Interval
1. The connection interval is set as 20 ms. Take effect immediately after setting, can be saved Remark after power off. 2. The connection interval can reach less than 20 ms (minimum 8 ms), when the Bluetooth module Shenzhen RF-star Technology Co., Ltd. Page 37 of 78... -
Page 39: Designate Transmission Device
Use AT+CNT_LIST to get the current handle value of the device to be connected. Remark Take effect immediately after setting, do not be saved after power off. Only effective in master mode and master-slave mode. Shenzhen RF-star Technology Co., Ltd. Page 38 of 78... -
Page 40: Set The Uuid Of Slave Role
Set the basic 128-bit UUID, if it exceeds 16 bytes, only the first 16 bytes will be taken, if it is less Remark than 16 bytes, the end will be filled with 0. Take effect after reboot, can be saved after power off. Shenzhen RF-star Technology Co., Ltd. Page 39 of 78... -
Page 41: Enable/Disable Uuid Configuration Function Of Master Role
Take effect immediately after setting, can be saved after power off. AT+ UUID_SCAN= Function Disable/enable the user-defined UUID transmission channel function. Only effective in master mode and master-slave mode. Shenzhen RF-star Technology Co., Ltd. Page 40 of 78... -
Page 42: Configure Uuid Of Master Role
Parameter 2: The serial number is scanned and printed by the serial port by "AT+UUID_SCAN". Remark This parameter sets the channel to be selected when the master reads data (channels with Read attribute). Shenzhen RF-star Technology Co., Ltd. Page 41 of 78... -
Page 43: Send Data By At Command
BLE data, it will return: +RECEIVED:1,10 OUTPUT_BLE_DATA 123456789A If it is the data received in transparent transmission mode, there will be no prefix of “+RECEIVED” and the data will be printed directly. Shenzhen RF-star Technology Co., Ltd. Page 42 of 78... -
Page 44: Observer
(RSSI). At the same time, the device will not receive broadcast packets, when the observer itself switches channels at the end of each scanning interval. If the device that satisfies the filtering conditions is in the broadcast response packet, the time to Shenzhen RF-star Technology Co., Ltd. Page 43 of 78... -
Page 45: Phy Rate
This command only takes effect in slave mode. If the slave device is connected, the parameters will be updated immediately, otherwise, it will take effect at the next connection, and the settings will be Shenzhen RF-star Technology Co., Ltd. Page 44 of 78... -
Page 46: Baud Rate
512000 bps can reach a stable transmission rate of up to 42 KB/s. AT+UART? Function Query the current serial port baud rate. Example AT+UART? AT+UART=115200 Return Value Remark The current UART baud rate is 115200 bps. Shenzhen RF-star Technology Co., Ltd. Page 45 of 78... -
Page 47: Serial Port Frame Size And Timeout Time
The current timeout time is 50 ms. If the returned frame receiving size is 0, it means that the module Remark will automatically adjust the frame receiving size according to the current baud rate. Shenzhen RF-star Technology Co., Ltd. Page 46 of 78... -
Page 48: Serial Port Echo
0: Disable echo. (Disable by default). Remark 1: Enable echo. AT+ECHO= Function Set the serial port echo. Example AT+ECHO=1 Return Value Enable echo. Remark Take effect immediately after setting, cannot be saved after power off. Shenzhen RF-star Technology Co., Ltd. Page 47 of 78... -
Page 49: Device Status Display
Parameter 2: Key, up to 16 bytes of any visible character. This parameter cannot be empty when authentication is enabled. Parameter 3: Authentication valid time (in s), 15 s is by default. Shenzhen RF-star Technology Co., Ltd. Page 48 of 78... -
Page 50: Enter User Authentication Key
Example AT+AUTH_KEY=1,123456 Return Value Parameter 1: The connection handle value of the slave role. Remark Parameter 2: When the authentication function is enabled on the slave device to be connected, the Shenzhen RF-star Technology Co., Ltd. Page 49 of 78... -
Page 51: Pairing Function Of Slave Role
Enable the pairing function of the slave role and set the pairing passkey to 135648. The length of Remark the passkey cannot exceed 6 characters. Take effect after reboot, can be saved after power off. Shenzhen RF-star Technology Co., Ltd. Page 50 of 78... -
Page 52: Pairing Function Of Master Role
In this case, both devices must enter the passkey. The master device can generally be regarded as Responder, and the module adopts Keyboard Only in the master role by default (Corresponding pairing method C: Initiator displays, Responder inputs). Shenzhen RF-star Technology Co., Ltd. Page 51 of 78... - Page 53 The current pairing method is Keyboard Only. AT+MASTER_PAIR= Function Set the pairing function of the master role. Example AT+MASTER_PAIR=0 Return Value Remark Set the pairing setting of the master role to Display Only. Shenzhen RF-star Technology Co., Ltd. Page 52 of 78...
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Page 54: Enter Pairing Passkey Of Master Role
When using this command in the slave role, the paired master devices with the slave will be obtained. If switch the working role, the current saved list of paired devices will be cleared. • Delete Paired Device AT+PAIR_DEL= Function Delete the paired device. Example 1 AT+PAIR_DEL=0 Shenzhen RF-star Technology Co., Ltd. Page 53 of 78... -
Page 55: Sleep Mode
When the device is in the master role (in the master and master-slave mode), and the currently connected device is enabled the automatic reconnection function, the device will not automatically Shenzhen RF-star Technology Co., Ltd. Page 54 of 78... -
Page 56: Enable/Disable Watchdog
Take effect immediately after setting, cannot be saved after power off. • Enable/Disable Watchdog AT+WDOG? Function Query the watchdog function status. Example AT+WDOG? AT+WDOG=0 Return Value 0: Disable Watchdog Remark 1: Enable Watchdog. Enabled by default. Shenzhen RF-star Technology Co., Ltd. Page 55 of 78... -
Page 57: Restart Device
The device will be rebooted after setting. Take effect immediately. • Query Firmware Version AT+VERSION Function Query the device firmware version. Example AT+VERSION AT+VERSION= RF_BM_BG22A3_V0.2.1_2021.01.21 Return Value Remark Query the firmware version information and the updated date. Shenzhen RF-star Technology Co., Ltd. Page 56 of 78... -
Page 58: Transparent Transmission Test
APP side, turn on the notify enable for receiving and AT command operation, and then the bi- directional data transparent transmission and AT command between the mobile phone and the PC (analog MCU) will be started. As shown in the following pictures: Shenzhen RF-star Technology Co., Ltd. Page 57 of 78... - Page 59 CC26X2R www.szrfstar.com V1.0 - Aug., 2022 Shenzhen RF-star Technology Co., Ltd. Page 58 of 78...
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Page 60: Test By Pc End
1. Hardware preparation ⚫ PC with standard Type-A USB interface ⚫ RF-DG-40A (nRF52840 dongle) ⚫ RF-BM-26X2B1 module with our firmware 2. Software preparation ⚫ nRF Connect for Desktop Download address: https://www.nordicsemi.com/Software-and-tools/Development-Tools/nRF-Connect-for-desktop/Download#infotabs Shenzhen RF-star Technology Co., Ltd. Page 59 of 78... -
Page 61: Connection Steps
Dongle device for normal use. Click Select device to pop up the device name, and then click to select the corresponding device (this device name corresponds to the MAC address of the device) Shenzhen RF-star Technology Co., Ltd. Page 60 of 78... - Page 62 Notify of the receiving channel, and then start the two-way data transparent transmission and AT between the module and the PC (with the help of Dongle as the master device) Ordered. As shown in the following pictures: Shenzhen RF-star Technology Co., Ltd. Page 61 of 78...
- Page 63 CC26X2R www.szrfstar.com V1.0 - Aug., 2022 Shenzhen RF-star Technology Co., Ltd. Page 62 of 78...
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Page 66: Ios App Programming Reference
* @param characteristic The characteristic for which the value needs to be read. * @discussion Fetch the value of a characteristic. * The relevant delegate callback will then be invoked with the status of the request. * @see peripheral:didUpdateValueForCharacteristic:error: Shenzhen RF-star Technology Co., Ltd. Page 65 of 78... - Page 67 * characteristic for a peripheral. All reads and notifications come here to be processed. -(void)peripheral:(CBPeripheral*)peripheral didUpdateValueForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error Note: after each reading operation, this callback function will be performed. The application layer saves the data that is read in this function. Shenzhen RF-star Technology Co., Ltd. Page 66 of 78...
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Page 68: Mcu Reference Code (Transparent Transmission)
//Enable RTS, that is, MCU can receive date from BLE module set_rts_enable(); While(1){ //Aquire whether the CTS status is at a low level If(get_cts_state()==0){ // Send test data to BLE module mcu_send_to_ble_string("Test data.\r\n"); // Processing the data obtained by MCU mcu_data_process(mcu_uart_read_data()); Shenzhen RF-star Technology Co., Ltd. Page 67 of 78... -
Page 69: Hardware Specifications
（2） Make sure that there is no signal line or copper foil in each layer below the antenna. （3） It is best to hollow out the antenna position in the following figure to ensure that the S11 of the module is minimally affected. Shenzhen RF-star Technology Co., Ltd. Page 68 of 78... -
Page 70: Reference Design
Figure 4. Recommendation of Antenna Layout Note: The hollow-out position is based on the antenna used. 10.3 Reference Design The reference design is as follows: Figure 5. Reference Design of RF-BM-26X2B1 Shenzhen RF-star Technology Co., Ltd. Page 69 of 78... -
Page 71: Basic Operation Of Hardware Design
The performances of ground absorption and reflection of radio waves will be poor when the module is tested close to the ground. 2. Seawater has a strong ability to absorb radio waves, so the test results by the seaside are poor. Shenzhen RF-star Technology Co., Ltd. Page 70 of 78... -
Page 72: Vulnerable Module
3. If the extension wire or feeder wire is of poor quality or too long, the bit error rate will be high. 10.6 Electrostatics Discharge Warnings The module will be damaged by the discharge of static. RF-star suggests that all modules should follow the 3 precautions below: 1. - Page 73 Max. 6 ℃/s Time from 25 ℃ to Peak Temperature (t Max. 6 minutes Max. 8 minutes Time of Soldering Zone (t 20±10 s 20±10 s Figure 6. Recommended Reflow for Lead-Free Solder Shenzhen RF-star Technology Co., Ltd. Page 72 of 78...
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Page 74: Contact Us
CC26X2R www.szrfstar.com V1.0 - Aug., 2022 12 Contact Us SHENZHEN RF-STAR TECHNOLOGY CO., LTD. Shenzhen HQ: Add.: C601, Skyworth Building, High-tech Park, Nanshan District, Shenzhen, Guangdong, China, 518057 Tel.: 86-755-3695 3756 Chengdu Branch: Add.: N2-1604, Global Center, North No. 1700, Tianfu Avenue, Hi-Tech District, Chengdu, Sichuan, China, 610095 Tel.: 86-28-6577 5970... -
Page 75: Fcc
CC26X2R www.szrfstar.com V1.0 - Aug., 2022 Appendix A: Shenzhen RF-star Technology Co., Ltd. Page 74 of 78... - Page 76 CC26X2R www.szrfstar.com V1.0 - Aug., 2022 Shenzhen RF-star Technology Co., Ltd. Page 75 of 78...
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Page 77: Appendix B: Power Consumption Test Screenshot
CC26X2R www.szrfstar.com V1.0 - Aug., 2022 Appendix B: Power Consumption Test Screenshot 1 Sleep Mode: 2.49 μA 2 Broadcast Mode 2.1 0 dBm, 200 ms broadcast cycle: 114.27 μA Shenzhen RF-star Technology Co., Ltd. Page 76 of 78... -
Page 78: Dbm, 500 Ms Broadcast Cycle: 49.33 Μa
CC26X2R www.szrfstar.com V1.0 - Aug., 2022 2.2 0 dBm, 500 ms broadcast cycle: 49.33 μA 2.3 0 dBm, 1000 ms broadcast cycle: 25.58 μA Shenzhen RF-star Technology Co., Ltd. Page 77 of 78... -
Page 79: Connection Mode
CC26X2R www.szrfstar.com V1.0 - Aug., 2022 3 Connection Mode 3.1 0 dBm, 20 ms connection interval: 414.09 μA 3.2 0 dBm, 100 ms connection interval: 86 μA Shenzhen RF-star Technology Co., Ltd. Page 78 of 78...
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