Features: brand new and high quality If you have an RF shield installed on your PortaPack should fit just fine. Compatibility with the Blue is experimental. One Blue owner has reported good results with minor mechanical interference. PortaPack is compatible only with the One. It is not for the earlier for Jawbreaker design. PortaPack requires an external battery. Any USB-connected battery should work, though they vary widely in quality and poorly-designed batteries may inject voltage regulator noise into the radio. The PortaPack and One will not replace your handheld ham radio receiver. Receive sensitivity varies from band to band, but will not perform as well as a true ham radio receiver. between the PortaPack audio capacitors and the baseband header. If your Blue does not have a baseband header installed, you should have no mechanical problems. Specifications: Material: metal Size: approx. 150x100x40mm/5.91x3.94x1.57in Antenna: 40MHz-6GHz Package Includes: 1 x SDR Radio (Upgraded PortaPack One) 1 x 40MHz-6GHz Antenna 1 x USB Cable note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!