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Detailed Product Description F***3 CDMA modem(wireless modem) is based on 2.5G CDMA network and adopts industrial wireless CDMA network. It supports SMS and data function. F***3 CDMA modem is designed with industrial standard and has been widely used on finance, water supply, environment protection, electric power system, post and weather fields. A.Wireless Specification 1. Compliants with S**5 A/B and CDMA***0 1xRTT 2.Support *3K QCELP audio codec 3.Support SMS and data function 4.Standard AT command interface B.Hardware System 1. Interface: i. RS**2 serial port, rates: **0~*****0bits/s ii. Indicator lights: Power, ACT, Online iii. Antenna interface: standard SMA female interface, *0 ohm iv. SIM/UIM interface: standard user card interface v. Power interface: standard *-PIN power jack 2.Power supply: Standard power supply: DC 9V/0.5A Power range: DC ***0V 3.Wireless module: High-powered industrial CDMA module 4.Size: Outline dimension: *1x*8.5x*2 mm 5.Weight: **0 g 6. Others: i. Operation temperature:**5~**5�C ii. Storage temperature: **0~**5�C iii. Humidity: *5% (unfreezing) Kindly contact me at *@******************** more details