Thermoworks Smoke WiFi Gateway $71.20 + $3.99 shipping.
AMEX has $15 off $75 if your card has the offer bringing the price down to $60.
Add Internet connectivity through Wi-Fi to your Smoke alarm thermometer with Smoke Gateway. Intuitive in-app setup walks you through pairing Smoke Gateway to Smoke base unit, and connecting Smoke Gateway to your Wi-Fi network, to track your cook directly on your smartphone or tablet from anywhere in the world. Plug Smoke Gateway into a wall outlet, or use remotely on battery power, up to 100 hours, before USB charging is required. Holds up to professional BBQ use with molded-in seals and IP65 water-resistant rating.