AEACAC254010-S169 External Antenna Abracon AEACAC254010-S169 External Antenna delivers low Voltage Standing Wave Ratio (VSWR) with 2dBi gain. This external antenna operates at 169MHz frequency. The Abracon AEACAC254010-S169 External Antenna features linear polarization with 50Ω impedance. This external antenna is ideal for LPWA/LoRa/SigFox and ISM applications.