Prod. Id. Description RRP PA400 Intercom - 4 place mono, on/off volume switch, auto off when pilot headset removed, pilot isolate switch, adjustable squelch, pilot & co-pilot PTT, back lit panel, music/audio in/out cable, cigarette lighter adapter, 9V battery powered, fail safe, 3 year warranty. $250.00 PA400T Intercom - same as PA400 but with built-in cell phone interface and includes a cell phone adapter cable with 2.5mm plug. Works with phones that have a 2.5mm monoheadset jack eg. LG TU500. 3 year warranty $270.00 PA400S Intercom - Stereo version of the venerable PA400 $270.00 PA200 Intercom - 2 place mono, on/off volume switch,  adjustable squelch, pilot & co-pilot PTT,  9V battery powered, fail safe, 3 year warranty. $150.00 PA200E Intercom - 2+2 - same as PA200 but with extra 2 place plug-in extension module giving 2 extra stations, 3 year warranty. $190.00 PA200T Intercom - same as PA200 but with built-in cell phone interface and includes a cell phone adapter cable with 2.5mm plug. Works with phones that have a 2.5mm monoheadset jack eg. LG TU500. Comes with 3.5mm adapter for music input. 3 year warranty. $170.00 PA200A23 Intercom - same as PA200 but designed to plug straight into an Icom A23 or A5 transceiver without requiring a headset adapter, includes PTT switch, 3 year warranty. $150.00 PA200IC Intercom - same as PA200 but designed to plug straight into an Icom A2, A20 or A21 transceiver without requiring a headset adapter, includes PTT switch, 3 year warranty. $150.00 PA200IK Intercom - same as PA200 but designed to plug straight into an Icom A22 or Bendix-King KX99 transceiver without requiring a headset adapter, includes PTT switch, 3 year warranty. $150.00 PA200Y Intercom - same as PA200 but designed to plug straight into a Yaseu/Vertex transceiver without requiring a headset adapter, includes PTT switch, 3 year warranty. $150.00