hi, no it doesn't. it has a range of upto 10 metres according to specs and it does work. my pc is in a back bedroom and the keyboard will work sat downstairs in the front room. our internal walls are solid brick too! kevin - (lord l) "Civilization exists by geological consent, subject to change without notice"-Will Durant contact me: email/msn: kream@xxxxxxxxxxxx skype: lordandladyl ----- Original Message ----- From: Amro Bilal To: access-uk@xxxxxxxxxxxxx Sent: Wednesday, November 21, 2007 9:35 PM Subject: [access-uk] Re: cherry marlin wireless keyboard Hi Kevin, Sorry I can't help with your query. But could you tell me please, does this keyboard have to be directly opposite its receiver to work? Like IR wireless keyboards if you know what I mean. TIA, Amro ----- Original Message ----- From: kevin and Emma To: access-uk@xxxxxxxxxxxxx Sent: Wednesday, November 21, 2007 2:16 PM Subject: [access-uk] cherry marlin wireless keyboard hi all, i know this keyboard has been mentioned on list before. just wondering if anyone has managed to install and use the included software so that the remaining 6 multimedia keys can be assigned? jfw just gives me a blank screen when i run the CD and i can't get past that screen to even install the software, let alone use it. apart from that i love the keyboard itself, well worth 40 odd quid! any help appreciated. kevin - (lord l) "Civilization exists by geological consent, subject to change without notice"-Will Durant contact me: email/msn: kream@xxxxxxxxxxxx skype: lordandladyl