The MX828 is a low power SelCall, CTCSS, and DCS signal processor designed for use in the latest generation of LMR (Land Mobile Radio) equipment where sub-audible signaling is required for functions such as Trunking Control, Selective Calling, and Group Calling applications. The MX828 is full duplex and offers many advanced features to assist in the design of new Sub-Audible and in-band based systems.

FEATUREs
• Fast CTCSS Detection
• Full Duplex CTCSS and SelCall
• Full 23/24 Bit DCS Codec
• SelCall Codec
• Non Predictive Tone Detection
• Low Power 3.3V/5.0V Operation
• Variable Gain Audio Filter
• Programmable:
    Tone Decoder
    Tone Encoder
    Modulator Drivers
    Comparator for RSSI
• Pin compatible with reduced function MX818
• Full control via 4-Wire Serial Interface

APPLICATIONs
• Radio Systems Requiring Sub-Audible Signaling
    Trunking Control
    Selective Calling
    Group Calling
• Increased Efficiency
    Scanning Systems
    Trunking Systems