STR450 UHF RECEIVER OPERATING INSTRUCTIONS These operating instructions are intended to provide the user with sufficient information to install and operate the unit correctly. The Wood & Douglas STR450 is a single channel synthesized UHF receiver. The unit is intended to fulfil the numerous OEM applications by virtue of its highly flexible design approach, miniature size and cost-effective performance. The unit complies with MPT1329 and as such does not require an operating licence in the UK. I.