Silex Technology SX-PCEAX-SMT-SP Multiprotocol Modules [Sample Pack] SX-PCEAX-SMT-SP is a sample pack SKU ideal for small quantities used for small pilot builds. SX-PCEAX-SMT-SP is a 2.4 GHz/5 GHz /6 GHz Tri-band IEEE802.11 ax WLAN, Bluetooth 5.2 BR/EDR/HS/LE module in an M.2 LGA Type 1418 Surface Mount