Update README.md

Removed USB concentrators from the mini PCIe 3 in the table.

docs/Product-Categories/WisGate/RAK7391/Compatible-Hardware/README.md

@@ -20,11 +20,11 @@ tags:
 |Available connectors|All connectors are accessible except for the outdoor enclosure, where only the 1 Gb Ethernet port, USB Type-C, and serial console are accessible from outside.|
 |MiniPCIe Slot #1|RAK2247-SPI/USB LoRaWAN Concentrator <br> RAK2287-SPI/USB LoRaWAN Concentrator <br> RAK5146-SPI/USB LoRaWAN Concentrator <br> RAK8213 EG95-E/NA LTE Module|
 |MiniPCIe Slot #2|RAK2247-SPI/USB LoRaWAN Concentrator <br> RAK2287-SPI/USB LoRaWAN Concentrator <br> RAK5146-SPI/USB LoRaWAN Concentrator <br> RAK8213 EG95-E/NA LTE Module|
-|MiniPCIe Slot #3|RAK2247-USB LoRaWAN Concentrator <br> RAK2287-USB LoRaWAN Concentrator <br> RAK5146-USB LoRaWAN Concentrator <br> RAK8213 EG95-E/NA LTE Module <br> WiFi6 module (with M.2 to MiniPCIe adapter) <br> 1/2 channels MiniPCIe to SATA converter|
+|MiniPCIe Slot #3|RAK8213 EG95-E/NA LTE Module <br> WiFi6 module (with M.2 to MiniPCIe adapter) <br> 1/2 channels MiniPCIe to SATA converter|
 |WisBlock Slot #1|All IO WisBlock Modules (not all might be supported in software yet)|
 |WisBlock Slot #2|All IO WisBlock Modules (not all might be supported in software yet)|
 |Raspberry Pi Hat Header|Alpha Network WiFi HaLow Hat|
 |3rd party Raspberry Pi Hat compatibility|Max hat height (not including the header & PCB thickness): <br> • 22&nbsp;mm in the Indoors Aluminum enclosure <br> • 19&nbsp;mm in the Indoors Sheet Metal enclosure <br> • 18&nbsp;mm in the Outdoors enclosure with Antenna Board <br> • 44&nbsp;mm in the Outdoors enclosure without Antenna Board|
 |M.2 Slot|4G modules (EM060K-GL) <br> 5G modules (RM520N-GL, RM505Q) <br> Up to 5-channels M.2 to SATA converter <br> M.2 B-keying NVMe drive (NOT SATA)|
 |Antenna connectors|2x iPEX to SMA pigtails included with Indoors enclosures. <br> Up to 6x SMA/RP-SMA connectors in Indoors enclosures. <br> 2x iPEX to Type-N pigtails included with Outdoors enclosure.|
-|Antenna board (GPS/LTE/WIFI/BT)|Optional with Outdoors enclosure only.|
+|Antenna board (GPS/LTE/WIFI/BT)|Optional with Outdoors enclosure only.|