Proxmark 3 RDV4 is the latest version of the Proxmark 3 platform.
Proxmark 3 is a dedicated, highly capable RFID analysis multi-tool , providing reading, writing, analysis, snooping, replaying, emulation, modulation, demodulation, decoding, encoding, decryption, encryption for any RFID system operating in the 125KHz, 134KHz and 13.56MHz frequencies .
Since its original inception in 2007, there have been huge leaps forward in electronics. The Proxmark 3 RDV4.01 is a fully revised, modernized version of the already powerful RDV2.
This is version 4.01 of the device and includes many improvements over version 4.0, including:
Reduced power supply noise
Gold plated FPC connector
Antenna "Q-Switch" allowing for adjustment of antennas to specific operations
Antenna frequency switch allows for optimizing operation at 125KHz and 134KHz
RDV 4.01 is a highly optimized hardware, designed specifically for the pen-testing community:
Portable: Fits easily in your hand and pocket
Modular: Quickly switch between pre-tuned antennas for greater field coverage
Intuitive: Multiple LEDs to check status at a glance
Android Compatible: Proxmark 3 can be used with Android: LINK
Expandability: BLE/Wifi module upgradeable for automated data output