Required: (Outside Harris County)

• SMARTZONE Systems Operation
• OMNILINK Multizone Operation
• ASTRO Digital Operation
• P25 Radio Authentication (Link Layer Authentication)
• 12.5 KHz FCC Mandate
• Packet Data Interface
• ASK Enable
• 7/800 MHz

Recommended: (Optional But Requires Additional Customer Provided Infrastructure)

• Group Services
• TDMA Operation (PHASE II)
• OTAR with Multikey

Optional: (if model capable)

• VHF
• UHF Range 1
• UHF Range 2

All radios are required to operate in a multi-zone environment SMARTZONE/OMNILINK or vendor equivalent is required.