Pre-flashed with latest Zigbee2MQTT firmware -- 20211207 version
Support both coordinator and router firmware, default is coordinator.

OVERVIEW:

Tiny USB stick or dongle, adapter of development board for 2.4G multiprotocol RF

FEATURES:

1. 2.4GHz multiprotocol RF development board(OpenThread,Zigbee,BLE,IEEE802.15.4,6LoWPAN and proprietary) based on TI CC2652P1FRGZR chip
2. Communicates with the host computer via the common CH340E USB-UART bridge
3. cJTAG debug header, flashed firmware or debug with JTAG
3. Self-programming via the TI serial bootloader with bootloader bit enabled
4. SMA antenna port for an external antenna with personal choice
5. General LEDs(Red--Power on indication  Green--DIO7 Blue--DIO6)
6. General Buttons(BTN1--DIO13 BTN2--DIO14 RST--nRESET)
7. IO  breakouts with 2.0mm pitch holes for connecting peripheral device
8. Low power LDOs
9. ESD protections with USB interface
10. easy to use with Koenkk's zigbee2mqtt
11. easy to use with TI's OpenThread border router

TESTING:

1. RF performance testing

2. Frequency spectrum testing 

3. Function testing

4. QC pass

BOM Manufaturer:

1. Inductor -- muRata 
2. Capacitor -- muRata/AVX/Samsung
3. Resistors -- FH
4. Crystal oscillator -- TXC/TKD
5. LEDs -- Orient

FLASHING:

1. Via USB interface with bootloader enable: 

    A. flash firmware using TI Flash Programmer 2: 
press BTN1 and keep holding --> click the Reset button --> wait a  few seconds --> release BTN1 button --> Flash programmer 2 operation


    B. flash firmware using cc2538-bsl.py 

2. Via cJTAG interface with TI debugger tools 

FIRMWARE:

   The dongle comes stitched with coordinator firmwares, you can flash it with router or other types firmware via USB with bootloader enable condition.