Motorola 8900 User Manual - Page 69

Antenna Interface, Table 2-22, Antenna Interface Specifications, Parameter, Specifications

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Chapter 2: Hardware Interface Description Antenna Interface The C24 antenna connector is the RF interface to the CDMA network and GPS system. The antenna interface is terminated by an MMCX connector type, which is 50Ω impedance matched at the relevant CDMA frequencies. The antenna or antenna application must be installed properly to achieve best performance. Table 2-22 gives the antenna interface specifications. Table 2-22: Antenna Interface Specifications Parameter Cellular-CDMA US-PCS GPS Gain Impedance VSWR Specifications 824.04-848.97 MHz Tx 869.04-893.97 MHz Rx 1850-1910 MHz Tx 1930-1990 MHz Rx 1575.42 MHz ±1.024 MHz 0 dBi (unity) gain or greater 50Ω Less than: 2.5:1 December 15, 2008 C24 Module Hardware Description 45

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Chapter 2: Hardware Interface Description
December 15, 2008
C24 Module Hardware Description
45
Antenna Interface
The C24 antenna connector is the RF interface to the CDMA network and GPS system.
The antenna interface is terminated by an MMCX connector type, which is 50
Ω
impedance
matched at the relevant CDMA frequencies.
The antenna or antenna application must be installed properly to achieve best performance.
Table 2-22
gives the antenna interface specifications.
Table 2-22:
Antenna Interface Specifications
Parameter
Specifications
Cellular-CDMA
824.04-848.97 MHz Tx
869.04-893.97 MHz Rx
US-PCS
1850-1910 MHz Tx
1930-1990 MHz Rx
GPS
1575.42 MHz ±1.024 MHz
Gain
0 dBi (unity) gain or greater
Impedance
50
Ω
VSWR
Less than: 2.5:1