def read_without_mac(self, *blocks):
        """Read a number of data blocks without integrity check.

        This method accepts a variable number of integer arguments as
        the block numbers to read. The blocks are read with service
        code 0x000B (NDEF).

        Tag command errors raise :exc:`~nfc.tag.TagCommandError`.

        """
        log.debug("read {0} block(s) without mac".format(len(blocks)))
        service_list = [tt3.ServiceCode(0, 0b001011)]
        block_list = [tt3.BlockCode(n) for n in blocks]
        return self.read_without_encryption(service_list, block_list)
Read a number of data blocks without integrity check.

        This method accepts a variable number of integer arguments as
        the block numbers to read. The blocks are read with service
        code 0x000B (NDEF).

        Tag command errors raise :exc:`~nfc.tag.TagCommandError`.