The PSR-400 desktop scanner by GRECOM is a reliable and efficient device for radio communication. With a sleek black design, this unit operates on a power supply of 13.8V DC and 600mA, providing consistent performance. The scanner is capable of receiving signals in both the UHF and VHF bands, making it a versatile tool for various communication needs. Tested and confirmed to be in working condition, this scanner is a practical choice for anyone looking to enhance their radio communication capabilities.