MobileCollect Base with RS-232 Cable The RS-232 Base receives measurements from Mobile Modules and Remotes. Connects directly to a 9-pin serial port on a PC or a laptop. Includes setup program on CD and a 36" or 72" USB cable. Range up to 133 feet. Key Features... RF Sniffer determines clear channels for the most reliable operation. Supports an unlimited number of Mobile Modules. Configured by an easy-to-use Windows setup program. Field upgradeable firmware. Range is up to 133 feet. You can have several base units adjacent to each other. Each base will only receive data from the Mobile Modules or Remotes that have been associated with the base. Data sent to the PC consists of ASCII strings that are accepted by virtually all SPC-DAQ software.