diff --git a/l3config.js b/l3config.js
index 709739b..504efc7 100644
--- a/l3config.js
+++ b/l3config.js
@@ -296,8 +296,8 @@ function initForm() {
 	const UNII1Channels = [36, 40, 44, 48];
 	const UNII2Channels = [52, 56, 60, 64];
 	const UNII2EChannels = [100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140];
-	const Channels5GHz = [...UNII1Channels, ...UNII2Channels, ...UNII2EChannels].map(chan => [chan.toString(), chan.toString()]);
-	const Channels2GHz = Array(13).fill().map((_, chan) => [(chan+1).toString(), (chan+1).toString()]);
+	const Channels5GHz = [...UNII1Channels, ...UNII2Channels, ...UNII2EChannels].map(chan => [`${chan} (${5000+chan*5}MHz)`, chan.toString()]);
+	const Channels2GHz = Array(13).fill().map((_, chan) => [`${chan+1} (${2412 + chan*5}MHz)`, (chan+1).toString()]);
 
 	const l3cfg = new L3Config();
 	l3cfg.addSection(new L3Section('gateway', 'meta',