Update RAK2245 link.

Author: brocaar

README.md

@@ -41,7 +41,7 @@ Provides the following features:
 * Raspberry Pi 3
     * [IMST - iC880A](https://wireless-solutions.de/products/long-range-radio/ic880a.html)
     * [IMST - iC980A](http://www.imst.com/)
-    * [RAK - RAK2245](https://www.rakwireless.com/en/)
+    * [RAK - RAK2245](https://store.rakwireless.com/products/rak2245-pi-hat)
     * [RAK - RAK831 Gateway Developer Kit](https://www.rakwireless.com/en/WisKeyOSH/RAK831)
 	* [RisingHF - RHF0M301 LoRaWAN IoT Discovery Kit](http://risinghf.com/#/product-details?product_id=9&lang=en)
     * [Sandbox Electronics - LoRaGo PORT](https://sandboxelectronics.com/?product=lorago-port-multi-channel-lorawan-gateway)

docs/content/install/raspberrypi.md

@@ -14,7 +14,7 @@ The Raspberry Pi 3 images contain out-of-the-box support for the following
 concentrator shields:
 
 * [IMST - iC880A](https://wireless-solutions.de/products/long-range-radio/ic880a.html)
-* [RAK - RAK2245](https://www.rakwireless.com/en/)
+* [RAK - RAK2245](https://store.rakwireless.com/products/rak2245-pi-hat)
 * [RAK - RAK831 Gateway Developer Kit](https://www.rakwireless.com/en/WisKeyOSH/RAK831)
 * [RisingHF - RHF0M301 LoRaWAN IoT Discovery Kit](http://risinghf.com/#/product-details?product_id=9&lang=en)
 * [Sandbox Electronics - LoRaGo PORT](https://sandboxelectronics.com/?product=lorago-port-multi-channel-lorawan-gateway)

docs/content/overview/_index.md

@@ -36,7 +36,7 @@ by the **lora-gateway-os-base** image.
 * Raspberry Pi 3
     * [IMST - iC880A](https://wireless-solutions.de/products/long-range-radio/ic880a.html)
     * [IMST - iC980A](http://www.imst.com/)
-    * [RAK - RAK2245](https://www.rakwireless.com/en/)
+    * [RAK - RAK2245](https://store.rakwireless.com/products/rak2245-pi-hat)
     * [RAK - RAK831 Gateway Developer Kit](https://www.rakwireless.com/en/WisKeyOSH/RAK831)
 	* [RisingHF - RHF0M301 LoRaWAN IoT Discovery Kit](http://risinghf.com/#/product-details?product_id=9&lang=en)
     * [Sandbox Electronics - LoRaGo PORT](https://sandboxelectronics.com/?product=lorago-port-multi-channel-lorawan-gateway)