Ningbo Putian Communication Technology Co., Ltd2、Performance and Characteristics for products2.1. Basic functions and features2.1.1. Extend up to 4 test channels, reality a multi-channel for voice, data,wireless transmission function between different Signal System mobiles。2.1.2. Testing Communication & test channel for 4 channels can be configuredaccording to any requirement。2.1.3.Support GSM Module, can be Transmit with 4 different Signal Systemchannel,。2.1.4. ARM11 Processor Embedded can carry on management ofmulti-channels & Switching Control;2.2. Operation mode for Communication2.2.1.USB port: This port can carry out High-Speed Communication betweenlocal computers, data dial, voice, SMS functions and etc.2.2.2. Ethernet Interface: this interface supply connection between device andcomputers, is used for Configuration of device parameters and functions, it iseasy to maintenance device。- 4 -