Vertical Antenna Matching Network, Impedance Matching, 160, 80, 60, 40 meters, Each. Antenna Matching Network Type. Antenna Matching Network Band. Emails are normally answered within 24 hours, not including weekends or holidays. We are unable to guarantee a specific carrier. This means orders may arrive in multiple boxes or at different times. We are unable to send an order without an invoice. We are unable to accept DX Engineering Gift Certificates or Discount Codes. These are redeemable only on our website. We are making every reasonable effort to comply with the law, whenever it applies. Additional states may apply as new states laws continue to be implimented. We offer a 60-Day Handshake Guarantee.