Silex Technology SX-PCEAX-HMC-SP Multiprotocol Modules [Sample Pack] SX-PCEAX-HMC-SP is a sample pack SKU ideal for small quantities used for evaluation and small pilot builds. SX-PCEAX-HMC-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 a half-height Mini P