User's Manual

CDMA and GSM / UMTS Mini Card Hardware Integration Guide
16 Proprietary and Confidential 2130114
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
• MinimizeRFcablelossestotheantenna;therecommended
maximumcablelossforantennacablingis0.5
dB.
Figure 3-1: Antenna connection points and mounting holes
Ground connection
Whenconnectingthemoduletosystemground:
• Preventnoiseleakagebyestablishingaverygoodground
connectiontothemodulethroughthehostconnector.
• Connecttosystemgroundusingthetwomountingholesat
thetopofthemodule(asshownin
Figure3‐1).
• MinimizegroundnoiseleakageintotheRF.
Dependingonthehost boarddesign,noisecouldpotentially
becoupledtothemodulefrom thehostboard.Thisis
mainlyanissueforhostdesignsthathavesignalstraveling
alongthelengthofthemodule,orcircuitryoperatingat
bothendsofthemoduleinterconnects.
Shielding
ThemoduleisfullyshieldedtoprotectagainstEMIandto
ensurecompliancewithFCCPart15‐“RadioFrequency
Devices”(orequiva lentregulationsinotherjurisdictions).