Here is a Bluetooth gateway designed to deliver long-range connectivity for businesses. The Cassia X2000 Bluetooth Gateway has a rugged enclosure and IP66 rating. It allows up to 40 real-time 2-way communication devices and extends Bluetooth’s range up to 1 kilometer using Bluetooth 5.
This gateway can run large third party applications. It integrates with Cassia SDK. You can find out more about it here.