RAK3172 (EU868, without IPEX) RAK3172-306041 RAK3172-8-SM-I RAK3172-8-SM-NI RAK3172-9-SM-I RAK3172-9-SM-NI RAK3172LP-SIP RAK3172-SIP-8-SM-NI RAK3172-SIP-9-SM-NI RAK3172T (EU868, with IPEX and TCXO) 305055