AXIS cm3 condenser microphone for  Yaesu modular jack rj45 radios[8 pin round shown, but can come with a modular  rj 45 mic plug . ft -710aess 897-857-817-818-891-900-450-991-FTDX 10  ONLY.....Designed to plug directly into your Yaesu  hf radio without external accessories......High output condenser microphone  provides unsurpassed clarity and  fullness for varying band  conditions...This is not a music or vocal  microphone that is typically characterized by heavy bass and lack of clarity when used for hf applications ..Superior  transmit audio direct....Excellent rfi characteristics..... Plug and play... Rugged metal construction.... 6' xlr  female mic  connector and cable terminated  into a  modular   mic connector   directly soldered  for Yaesu  hf  radios ... Units work on vox or  ptt  ... ....Soldered 3.5mm jack for ptt switch use ... INCLUDES FREE  PTT SWITCH .   .14 DAY MONEY BACK GUARANTEE...            SPECIFICATIONS...Sensitivity: ): -44 ±3dB   IMP-900ohms
• Current Consumption: 500μA
• Signal to Noise Ratio: 58dB
• Frequency: 50~16KHz
• Operating Voltage: 1.1V to 10V