HM-152T DTMF MICROPHONE $80   OPC-617 ACC CABLE For external terminal connection. $54   SM-25 DESKTOP MICROPHONE Convenient for dispatching, equipped with monitor switch. $155   SP-5/SP-10/SP-22 EXTERNAL SPEAKERS Compact and easy-to-install. Input impedance: 4Ω; Max. input power: 5W SP-5 $54  SP-10 $69 SP-22 $49    UT-117 SmarTrunk ΙΙ™ Logic Board SmarTrunk ΙΙ is a trademark of SmarTrunk Systems, Inc. $130   UT-108 DTMF DECODER UNIT Provides DTMF decode and ANI capabilities. $35   UT-109 VOICE SCRAMBLER UNIT (Version 02) Up to 32 non-rolling scrambling codes available. $90   UT-110 VOICE SCRAMBLER UNIT (Version 02) Up to 1020 (255 codes × 4 groups) rolling scrambling codes are available. $165