Broadband Propagation Pty Ltd - EIDA Business Directory Go back to directory. Add to Address Book. Broadband Propagation Pty Ltd Broadband Propagation Pty LtdSales Contact: John Barnes 1-3 Adelaide Road Echunga South Australia 5153 Australiawork Phone: 08 83888132home Website: http://www.broadbandpropagation.com/ Email Us JavaScript is not enabled. It must be enabled in order to send a message. First Name:Last Name:Name:Email address:Subject:Message: Send WordPress › Error There has been a critical error on this website.Learn more about troubleshooting WordPress.