A tape optical fiber cord with an optical fiber array has, at its one end, a half pitch fiber array connected to an optical waveguide. The RF network node includes an RF and analog block for receiving and transmitting an RFID reader signal, a data processing and controller block for digital information processing, a memory store, and a power management block for managing power requirements of the RF network node. In the method of the present invention, by means of the interaction among a Packet Data Service Note, a Home Authentication Authorization and Accounting server, the PPSCP GW, the DACP and the SCP, the SCP deducts the fees from the prepaid account, and the PDSN controls the subscriber to utilize data service according to the fees deducted by the SCP. The invention further provides methods for forming cementitious board comprising the use of the slurry spreader.