JPC-12 Portable Shortwave Antenna 8 Band Outdoor Balcony Rack Antenna 7MHz50MHz. JPC-12 7MHz-50MHz 100W Multi Band HF Shortwave GP Antenna QRP For Ham Radio Product parameters: 1. Packing weight: about 1.35kg Packing size: 36224cm 2. The shrinkage length is about 34.5cm, and the erection length is about 410cm 3. Frequency: can work in 8 bands (7mhz-50mhz) at 40.30.20 126.96.36.199.6 meters.Longitudinal wave: 40m swr band. My goal is to make sure you are a happy customer and pleasant shopping with us. International Buyers - Please Note. Thank you for your understanding. We stand behind everything that we sell and will do everything possible to assure you are satisfied. Buyers are responsible for the postal cost of returning the items. We must be notified of the intent to return your item within 30 days of receiving the item. How to return 1, Please ask us for return address. We strive to answer all questions and resolve any problems as quickly as possible.