If you own any radio mic kit that operates on 700mHz band (694-790MHz), you only have until 26 April 2019 to apply for compensatory funding towards the purchase of new replacement equipment. To do this you must apply via the OCMS portal.
“If you have any wireless microphone or in-ear monitoring systems that can currently operate within the 700MHz band and ‘Guard Band’ (694-790MHz), you could be eligible for the compensation scheme so the cost of a new replacement system is effectively reduced in price. Other than the ability to operate in the 700MHz band there are a few additional stipulations for eligibility:”
Further details here : https://www.canford.co.uk/