Dear Customer, Our this IC-M710 is simple and dependable worldwide communications Transceiver with an affordable price. It has 1136 channels which are 242 ITU SSB duplex, 72 ITU SSB simplex and 662 ITU FSK duplex. Each memory channel can program seven characters for conveniently display station names, ship names, etc. It can output a full 150 W (PEP) power for reliable long distance communication. It is easy to use because it has two large memory and frequency dials which allow quick and easy operation. We also described the details specifications and other set up system process with image. If you want to buy or other, you can feel free to contact via the message box.