User's Manual

3
Rev 1.8.1 May.08 Proprietary and Confidential 15
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
3: RF Integration
TheMC87xxoperatesonthefrequenciesdetailedinTable3‐1.
RF connection
Whenattachinganantennatothemodule:
Note: To disconnect the
antenna, make sure you use the
Hirose U.FL connector removal
tool (P/N
UFL-LP-N-2(01)) to
prevent damage to the module
or coaxial cable assembly.
• UseaHiroseU.FLconnector(model
U.FL
#CL331‐0471‐0‐10)toattachanantennatoa
connectionpointonthemodule,asshownin
Figure3‐1(the
mainRFconnectoronthetopside;thediversityRForGPS
connectoronthebottomside).
• Matchcoaxialconnectionsbetweenthemoduleandthe
antennato50
Ω.
Table 3-1: MC87xx — Supported frequencies
Product Band Frequencies
(MHz)
MC8775
MC8775V
MC8780
MC8781
MC8785V
MC8790
GSM 850 Tx: 824–849
Rx: 869-894
EGSM 900 Tx: 880-915
Rx: 925-960
DCS 1800 Tx: 1710-1785
Rx: 1805-1880
PCS 1900 Tx: 1850-1910
Rx: 1930-1990
MC8775
MC8775V
MC8780
MC8781
MC8785V
MC8790
Band I
UMTS 2100
Tx: 1920–1980
Rx: 2110–2170
MC8775
MC8775V
MC8780
MC8781
MC8785V
MC8790
Band II
UMTS 1900
Tx: 1850–1910
Rx: 1930–1990
Band V
UMTS 850
Tx: 824–849
Rx: 869–894
MC8775V
MC8780
MC8781
MC8785V
MC8790
GPS Rx: 1575.42