Everything works as it should and is in good cosmetic condition. The frequency range is 596 thru 632mhz (K1). The kit comes complete with transmitter, receiver, power supply, and antenna. The item "Shure PSM 900 P9T Transmitter & P9R Receiver K1 596-632 MHz #4" is in sale since Thursday, May 28, 2020. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Microphones & Wireless Systems". The seller is "hiteck2" and is located in North Providence, Rhode Island. This item can be shipped to United States.