User's Manual

GSM/GPRS Module Series
M85 Hardware Design
M85_Hardware_Design Confidential / Released 66 / 88
4.4. Operating Frequencies
Table 27: The Module Operating Frequencies
4.5. Antenna Requirement
The following table shows the requirement on GSM antenna.
Table 28: Antenna Cable Requirements
Type
Requirements
GSM850/EGSM900
Cable insertion loss <1dB
DCS1800/PCS1900
Cable insertion loss <1.5dB
Table 29: Antenna Requirements
Type
Requirements
Frequency Range
GSM850/EGSM900/DCS1800/PCS1900MHz.
VSWR
≤ 2
Gain (dBi)
1
Max Input Power (W)
50
Input Impedance (Ω)
50
Polarization Type
Vertical
Frequency
Receive
Transmit
ARFCH
GSM850
869~894MHz
824~849MHz
128~251
EGSM900
925~960MHz
880~915MHz
0~124, 975~1023
DCS1800
1805~1880MHz
1710~1785MHz
512~885
PCS1900
1930~1990MHz
1850~1910MHz
512~810