User's Manual

GuardianManual0015006000Rev0 9|Page
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GUARDIANOVERVIEW
ThisdocumentprovidesinformationrequiredfortheoperationandverificationoftheCalAmpGuardian
NarrowbandModem.
1.1 GENERALDESCRIPTION
ThisDSPbasedradiowasdesignedforSCADA,telemetryandindustrialapplicationsinthe136174MHz,215240
MHzVHF,406.1512MHzUHF,and928960MHzfrequencyranges.
GuardiansupportsserialRemoteTerminalUnits(RTU)andprogrammablelogiccontrollers(PLC).TheGuardianis
compatiblewithanyDataradioInteroperability
Standard(DIOS)equipmentandBell202/212interface.
1.2 OPERATIONALCHARACTERISTICS
TheGuardianproducthasthefollowingoperationalcharacteristics:
Frequencyrangeof136174MHz,215240MHz,406.1470MHz,450512MHz,or928960MHz.
Userselectabledatarates
Builtintransceiveradjustablefrom1to10watts(8wattsmaxfor900MHz)
Wideinput
powerrangeof10to30voltsDC
OnlineandOfflineDiagnostics
Supportsupto8differentfrequencychannelpairs(selectablethroughuserinterfaceport).
Industrialoperatingtemperaturerangeof‐30to+60C
Ruggeddiecastaluminumandsteelcase