Current command:
lf em 4x50 rdbl --help
Reads single EM4x50 block/word. usage: lf em 4x50 rdbl [-h] -b <dec> [-p <hex>] options: -h, --help This help -b, --block <dec> block/word address -p, --pwd <hex> password, 4 hex bytes, lsb examples/notes: lf em 4x50 rdbl -b 3 lf em 4x50 rdbl -b 32 -p 12345678 -> reads block 32 with pwd 0x12345678