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	Ding Sheng Electronics Ltd.
Street Address: No. 178-1, Xinzhuang Rd. , Xinzhuang District City: New Taipei City Province: Taiwan Country/Region: Taiwan, China
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DS-tech

This antenna system consists of two functional blocks, the LNA portion and the patch antenna.

GENERAL
ENVIRONMENTAL CONDITIONS
Operation Temperature	-30 to + 80
Storage Temperature	-40 to + 100
Relative Humidity	40% to 95%
ELECTRICAL SPECIFICATIONS
Operation Voltage	Min:2.5V Typ: 3.0V Max:5.5V
Current Consumption	Typ: 11mA Max: 15mA @3.0V
ANTENNA
Frequency Range	1575.42 ± 1.023 MHz.
Bandwidth	15 MHz min. ( Return loss 10 dB )
GAIN	at Zenith : + 5.0 dBi Typ. at 10° Elevation: -1.0 dBi Typ . Mounted on the 70mm*70mm ground plane.
Polaration	RHCP
Axialration	3.0dB Max Mounted on the 70mm*70mm ground plane.
LNA
Frequency Range	1575.42 ± 1.023 MHz
Gain	28dB Min. 30dB Typ. ( + 25 ± 5)
Noise Figure	1.6 dB Max. ( + 25 ± 5) @ 3.0V
Output Impedance	50
TOTAL SPECIFICATIONS (Through Antenna, LNA, Cable and Connector)
RF Cable	RG174 , 2.7 ± 0.2mm , Black
RF Cable	Cable Length : 5M ± 5cm
RF Connector	SMA 180°(M)
Frequency Range	1575.42 ± 1.023 MHz
Gain	at Zenith : Typ 35 dBi (cable loss) Note:1 mounted on the the 70mm*70m ground plane
Output Impedance	50
Output VSWR	2.0 Max