2510OPTIONS-r-s-D OPTIONAL UNITS• UT-108 DTMF DECODER UNITProvides pager and code squelch capabilities.• UT-109 (#02)/UT-110 (#02) SCRAMBLER UNITSNon-rolling type (UT-109)/Rolling type (UT-110) voice scrambler unitprovides higher communication security.• UT-113 MAN DOWN UNITProvides a measure of safety when working in a hazardous envi-ronment, etc.D DC CABLES• CP-17L CIGARETTE LIGHTER CABLEAllows charging of the battery pack through a 12 V cigarette lightersocket. (For BC-119N)• OPC-515L/OPC-656 DC POWER CABLESAllows charging of the battery pack using a 13.8 V power sourceinstead of the AC adapter.OPC-515L: For BC-119NOPC-656 : For BC-121ND OTHER OPTIONS• SP-13 EARPHONEProvides clear receive audio in noisy environment.• HM-46L/HM-131L SPEAKER - MICROPHONESCombination speaker-microphone that provides convenient opera-tion while hanging the transceiver from your belt.• HS-94/HS-95/HS-97 HEADSET + VS-1L VOX/ PTT CASEHS-94: Ear-piece typeHS-95: Neck-arm typeHS-97: Throat microphoneVS-1L: VOX/PTT switch box for hands-free operation, etc.• FA-SC73US STUBBY ANTENNAShorter UHF antenna. Frequency range: 450–490 MHz