Icom IP501M Operating Guide - Page 29

5 OPTIONS Options LLSome options may not be available in all countries. Ask your dealer for details. Microphones ••HM-230HB command microphone ••HM-241 speaker microphone Same as supplied ••SM-28 desktop microphone Headsets ••VS-3 Bluetooth® headset The Bluetooth headset with a [PTT] switch. ••About third-party Bluetooth headsets: Icom has checked the PTT operation with some 3M Peltor headsets such as the WS Headset XP, WS ProTac XP and WS Alert XP. (Compatibility not guaranteed) External speakers (Input impedence: 4 Ω) ••SP-30 external speaker Rated input 20 W, Maximum input 30 W, Cable length: Approximately 2.8 m (9.2 feet) ••SP-35 external speaker Rated input 5 W, Maximum input 7 W, Cable length: Approximately 2 m (6.5 feet) Cables ••OPC-2355 extension cable Extension cable for the microphone Cable length: Approximately 2.5 m ••OPC-1122U programming cable ••OPC-2407 acc cable D-sub 25-pin type 5-2