Wwan Antenna Interface; Wwan Antenna Recommendations; Table 12. Airprime Ar7558 Minimum Wcdma Receiver Sensitivity; Table 13. Airprime Ar7558 Wwan Antenna Characteristics - Sierra Wireless AirPrime AR7558 Hardware Integration Manual

Hardware Integration Guide
Table 12. AirPrime AR7558 Minimum WCDMA Receiver Sensitivity
Band
II (1900/PCS)
V (850/CELL)
4.4.

WWAN Antenna Interface

The specification for the WWAN Antenna Interface of the AirPrime AR7558 embedded modules are
defined in the table below.
Table 13. AirPrime AR7558 WWAN Antenna Characteristics
Characteristics
Frequency (MHz)
Impedance
VSWR max
Maximum Voltage
Note: RX2 Antenna port is RX only, RX parameters in the above tables are also applicable.
Table 14. WWAN Antenna Interface Pads
Pad Name
BA11 GND
BA12 PRIMARY_ANT
BA13 GND
BA7 GND
BA8 DIVERSITY_ANT
BA9 GND
4.4.1.

WWAN Antenna Recommendations

The table below defines the key characteristics to consider for antenna selection.
Table 15. AirPrime AR7558 WWAN Antenna Recommendations
Characteristics
Frequency (MHz)
4116922
Frequency Band
1930 MHz to 1990 MHz
869 MHz to 894 MHz
CDMA BC0,
CDMA BC1,
BC10,WCDMA
WCDMA B2
B5
TX 824-849 1850-1910
RX 869-894 1930-1990
50 Ω
RF
RX 2:1
TX 2:1
Primary Antenna – 36 Volts
RX2 Antenna – 36 Volts (LTE MIMO: tbd)
Direction
Input/Output
Input
CDMA BC0,
WCDMA B5
TX 824-849
Rev 1.1
Minimum RX Downlink
-106 dBm (Class A)
-105 dBm (Class B)
-107 dBm (Class A)
-106 dBm (Class B)
LTE B4 LTE B25
1710 – 1755 1850 – 1915
2110 – 2155 1930 –1995
Function
Primary Antenna Ground
Primary Antenna Interface
Primary Antenna Ground
Diversity Antenna Ground
Diversity Antenna Interface
Diversity Antenna Ground
CDMA BC1,
LTE B4
WCDMA B2
1710 – 1755
1850-1910
RF Specification
Criteria
BER < 0.001
LTE B26 LTE B41
814-849 2496-2690
859-894 2496-2690
LTE B13
777 – 787
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