User's Manual
APM6998WiFiModuleManual
HostRevisionInformation
HostHardwareRevision T3xRevD1
Host‐ModuleDriverVersion v8.1.4.4
ModuleHardwareRevision 001E
HostPCBDesignGuidelines
ThefollowingguidelinesmustbefollowedwhendesigningahostboardthatincorporatestheAPM6998
WiFiModule(“module”).
HostPCBGuidelines
1. The+3.3VDCpowerrailmustbesuppliedbyaDC/DCregulator.
2. The+1.8VDCpowerrailmustbesuppliedbyaDC/DCregulator.
3. A0.050”x
0.050”groundviastitchingaroundthefrontend,includingantennatrace,antennacutout
andPCBedgetowhichtheantennaisnear.
4. Notracesunderneaththemoduleonthesamelayerthatthemoduleisinstalledon.
5. Asolidgroundpourunderneaththemoduleandsurroundingthefront‐end
onthesamelayerthat
themoduleisinstalledon.
6. HighTempFR494V‐0IPC4101APC B materialwithadielectricconstantof4.8andalosstangentof
0.016shallbeused.
AntennaGuidelines
1. TheantennausedmustbeofequalorlessergainthanthePulse
W3008Cusedintheoriginal
modulecertification,whichis+2.2dBi.
2. InthecaseofusingthePulseW3008C:
a. TheantennamustbeplacedonaPCBedge.
b. Theantennamustbeplacedaminimumdistanceof10mmfromthecornerofthePCB.
c. Iftheantenna
isnotplacedonaPCBedgeequidistantfromeitherend,theantennafeed
shallbefromthe“inside”ofthePCB,i.e.thelongerside.
d. ThePCBguidelinesforantennalayoutreferencedinthedocument“PulseW3008C
Guidelines.pdf”mustbefollowed.
InstallationInstructions
WhenthemoduleisinstalledinanRTIproductitispermanentlyaffixedtothehostproductandcannot
beremovedwithouttheuseofadditionalequipment.Thismoduleisalsonotvisible,noraccessibleby
theend‐user.Anyattemptedaccessorremovalofthemodulebyanyoneother
thanRTIorits
authorizedContractManufacturersisstrictlyprohibited.
AnyRTIhostcontainingthemodulemustadheretoRTI’sstricthostPCBguidelinesasoutlinedabovein
ordertoremaincompliant.