3 ms·

pretty sure the expense in BiDi transceivers (which aren’t that expensive) comes from the WDM coupler, not the receiving element.

• upofadown 8y ago
  I think the point is that with a LED to LED system you would not need any sort of optical multiplexing.
  • sigstoat 8y ago
    i felt like returning to half-duplex communications was enough of a non-starter to discount it as a possible suggestion.
  • jsjohnst 8y ago
    There’s a limit to how many pulses you can have per second. They stack more waves to get more capacity.