diff --git a/doc/models/Makefile b/doc/models/Makefile
index 584e865ce..370d32faa 100644
--- a/doc/models/Makefile
+++ b/doc/models/Makefile
@@ -160,6 +160,8 @@ SOURCEFIGS = \
 	$(SRC)/wifi/doc/source/figures/wifi-11g-p-1500-infrastructure-r-6-min-5-max-50-step-5-throughput.eps \
 	$(SRC)/wifi/doc/source/figures/default-table-based-error-model-validation.eps \
 	$(SRC)/wifi/doc/source/figures/error-models-comparison.eps \
+	$(SRC)/wifi/doc/source/figures/spectrum-wifi-phy-multiple-interfaces.pdf \
+	$(SRC)/wifi/doc/source/figures/spectrum-wifi-phy-multiple-interfaces.png \
 	$(SRC)/wimax/doc/WimaxArchitecture.dia \
 	$(SRC)/lte/doc/source/figures/epc-ctrl-arch.dia \
 	$(SRC)/lte/doc/source/figures/epc-data-flow-dl.dia \
diff --git a/src/wifi/doc/source/figures/spectrum-wifi-phy-multiple-interfaces.pdf b/src/wifi/doc/source/figures/spectrum-wifi-phy-multiple-interfaces.pdf
new file mode 100644
index 000000000..d7df27d26
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diff --git a/src/wifi/doc/source/figures/spectrum-wifi-phy-multiple-interfaces.png b/src/wifi/doc/source/figures/spectrum-wifi-phy-multiple-interfaces.png
new file mode 100644
index 000000000..c5360b772
Binary files /dev/null and b/src/wifi/doc/source/figures/spectrum-wifi-phy-multiple-interfaces.png differ