Key Specifications. Antenna Type Rubber Duck Polarization Vertical Maximum Frequency 27 MHz Connector 1 Polarity Standard Connector Series BNC Connector Gender Male Impedance 50 Ohm Maximum Input VSWR 1.5:1. 27 MHz Rubber Duck Antenna, 3.5 dBi gain, BNC Male Connector, Vertical Polarization. Vertical polarized antenna PEANRBD1029 from Pasternack is part of our extensive in-stock omni directional antennas that ship the same day from our ISO 9001:2015 certified facility. The antenna with 27 MHz frequency band has a maximum input VSWR of 1.5:1. This omni directional antenna has BNC male connector, This antenna has a black radome made of TPE, an overall length of 20.44 in, width of 0.50 in, and weighs 0.066 lbs. Pasternack’s PEANRBD1029 is a single band antenna with 27 MHz frequency band and 3.5 dBi gain, Pasternack's experts are on hand to assist you with any inquiries. Order this PEANRBD1029 antenna 7 days a week, 24 hours a day using our on-line ordering system with no MOQs (minimum order quantity) and same-day shipping,.