A grant of recognised spectrum access may be subject to—
(a) a condition providing for the duration of the grant;
(b) a restriction on the exercise by OFCOM of their power to revoke or modify the grant;
(c) a condition requiring payment of fees; and
(d) conditions describing the limits of the use of the electromagnetic spectrum which is recognised by the grant by reference to—
(i) the location of the wireless telegraphy station or wireless telegraphy apparatus;
(ii) the purpose of use of the electromagnetic spectrum;
(iii) the frequencies for that use; and
(iv) the maximum level of predicted interference arising from other authorised users (who operate within those frequencies) which is compatible with that use.