Adam Tech ANT-20090EB56 Adam Tech The Adam Tech ANT-20090EB56 is a Wifi External antenna for WiFi, ISM. Frequency range: 868 | 915 | 2400~2500. Gain: 2.5 | 3.4 | 2.0~2.7. Efficiency: 70.6 | 72.3 | 54.0~60.0. VSWR: 1.7 | 1.7 | <2.0... $3.60 Call for Price Qty Add to Cart Contact Us for Price and Availability MSRP: Now: $3.60 Compare Quick view Details Adam Tech Adam Tech ANT-20090EB56 MSRP: Now: $3.60 Compare Compare Selected