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Amazon.com: BLE 4.0 Bluetooth Development/Evaluation Kit Board USB-UART Interface EVK-CC2541 and USB Dongle UDK-CC2540 : Electronics
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Source CC2540 BT 4.0 BLE Adapter USB Dongle Protocol Analysis BTool Packet Sniffer Board on m.alibaba.com
2540KEYFOB The CC2540KEYFOB is a development tool for the 2.4 GHz CC2540 BLE System-on-Chip with USB from TI. User Manual CC2543-CC2544 Development Kit User’s Guide Texas Instruments .
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EZSync CC2540 Evaluation Module USB Dongle, CC2540EMK-USB compatible, BLE HOST MONITOR, EZSync100 – Serial Connections Made Easy
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