Emojis matching “signal”

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Emoji	Description	Unicode
🚥	horizontal traffic light	U+1F6A5
🚦	vertical traffic light	U+1F6A6
📡	satellite antenna	U+1F4E1
📶	antenna bars	U+1F4F6
🛜	wireless	U+1F6DC
🆘	SOS button	U+1F198

Count: 6