User's Guide

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1. Overview _____________________________________________________ 3
2. Specification and features________________________________________ 3
A.Environment ________________________________________________ 3
B.General RF specifications _____________________________________ 3
C.Radio interface ______________________________________________ 3
D.Transmitter _________________________________________________ 4
E.Receiver____________________________________________________ 4
3. Circuit guide____________________________________________________ 5
A. RF circuit _________________________________________________ 5
B. LOGIC Circuit_________________________ ________________ ____7
4. Installation Guide_____________________________ ______________ 9
1. Overview
CNI-803D, RPM(Radio Packet Modem), is a digital data communication equipment in
accordance with RD-LAP19.2 and MDC4800 specification. CNI-803D uses the frequency
ranges from 806MHz to 821Mhz for transmission, and from 851MHz to 866MHz for
reception.
This modem enables you to make data communication in two-way, and it also helps you
to enjoy various types of data services with full mobility due to support for roaming.
WithInterface Connector’ you can apply this modem to many kinds of machines to use
‘RD-LAP and MDC Asynchronous Serial Communication (NCL)protocol for
communication, and NCL commands enable you to monitor the operation during
communication.