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hua qiang nan,shenzhen,guangdong,China China
Personne àcontacter Ms. Amy Peng
Nom de la société hua qiang nan, shenzhen, guangdong
Frequency Range MHz 824-894/1710-1990 Bandwidth MHz 90/280 VSWR 1.5 Gain dBi 3.5 Max Input power W
1. Part no.: BON-GPS/GSM**1 2. Dieletric Antenna Center Frequency: ***5.*2MHz 3 MHz ***** 1.5:1 Band Width: 5 MHz Impendence: *0 ohm
GSM MMS GPRS alarm system adopts the GSM/GPRS tri-brand mobile communication network and the related digital process technologies; it can be used for
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