connector loss?

lincomatic · 08-06-2002

i found this page on radioactivenetworks documenting loss:

http://www.radio-active.net.au/web/80211/cable.html

i've always been told that connectors lose 5.-1dB, but their chart shows a lot less:

Connector Losses for 802.11

Type VSWR Frequency Loss (dB) Loss at 2.4 GHz (dB)
BNC < 1.12 + 0.007F dc to 2 GHz <0.1F <0.24
N < 1.06 + 0.007F dc to 10 GHz <0.05F <0.12
TNC < 1.07 + 0.007F dc to 15 GHz <0.05F <0.12
SMA < 1.02 + 0.005F dc to 18 GHz <0.03F <0.07
SMB < 1.08 + 0.017F dc to 4 GHz <0.12F <0.29
SMC < 1.08 + 0.017F dc to 10 GHz <0.06F <0.14

is this correct? and when there is a junction (n-male->n-female)
do i double the loss value, or is this taken into acct?

fordem · 08-06-2002

I'm guessing here - but that loss has to be across a male/female interconnection - because one connector, either one, by itself - well it's not connected to anything - is it?

Anyone disagree?

08-06-2002	#1 (permalink)
lincomatic Squaaawk! WiFi! WiFi! Join Date: Apr 2002 Location: Tinsel Town Posts: 1,682	connector loss? i found this page on radioactivenetworks documenting loss: http://www.radio-active.net.au/web/80211/cable.html i've always been told that connectors lose 5.-1dB, but their chart shows a lot less: Connector Losses for 802.11 Type VSWR Frequency Loss (dB) Loss at 2.4 GHz (dB) BNC < 1.12 + 0.007F dc to 2 GHz <0.1F <0.24 N < 1.06 + 0.007F dc to 10 GHz <0.05F <0.12 TNC < 1.07 + 0.007F dc to 15 GHz <0.05F <0.12 SMA < 1.02 + 0.005F dc to 18 GHz <0.03F <0.07 SMB < 1.08 + 0.017F dc to 4 GHz <0.12F <0.29 SMC < 1.08 + 0.017F dc to 10 GHz <0.06F <0.14 is this correct? and when there is a junction (n-male->n-female) do i double the loss value, or is this taken into acct? __________________ ~lincomatic

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08-06-2002	#2 (permalink)
fordem Tropical Stumbler Join Date: Apr 2002 Posts: 575	I'm guessing here - but that loss has to be across a male/female interconnection - because one connector, either one, by itself - well it's not connected to anything - is it? Anyone disagree?