This web site offers biggest radio software collection in Internet. It includes MotoTRBO CPS download, MotoTRBO firmware, most recent APX CPS, APX Depot, FlashZap, region free patches, etc. Also note, that we keep up to date Motorola CPS and Kenwood KPG all the time. Delay between release by mfg. and file appearance is only a few days.

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APCO25 Statement of requirements SOR-2010.pdf2020-06-25 21:21 659K
TIA-102.AABB-B_Trunking_Control_Channel_Formats.pdf2020-06-25 21:21 1.4M
TIA-102.AABC-B_Trunking_Control_Channel_Messages.pdf2020-06-25 21:21 18M
TIA-102.AABF-A_Link_Control_Word_Formats_And_Messages.pdf2020-06-25 21:21 184K
TIA-102.AACD.pdf2020-06-25 20:18 6.0M
TIA-102.AACD_.pdf2020-06-25 21:21 6.0M
TIA-102.AACE-A_Link_Layer_Authentication.pdf2020-06-25 21:21 421K
TIA-102.BAAC-A_CAI_Reserved_Values.pdf2020-06-25 21:21 288K
TIA-102.BAHA_Fixed_Station_Interface_Messages_And_Procedures.pdf2020-06-25 21:21 412K
TIA-102.BAHA_Fixed_Station_Interface_Messages_And_Procedures_1.pdf2020-06-25 21:21 412K
TIA-102.BBAB_TDMA_Physical_Layer_Protocol_Specification.pdf2020-06-25 21:21 4.9M
TIA-102.BBAC-1_TDMA_MAC_Layer_Description_Addendum.pdf2020-06-25 21:21 1.6M
TIA-102.BBAC_TDMA_MAC_Layer_Description.pdf2020-06-25 21:21 5.9M
TIA-EIA-102.AAAD_Block_Encryption_Protocol.pdf2020-06-25 21:21 3.5M
TIA-TSB-102.BAAD_CAI_Operational_Description.pdf2020-06-25 21:21 3.7M
TR-08-453_Intelligibility_Of_Selected_Radio_Systems.pdf2020-06-25 21:21 2.5M