C2WSNs have lower layers of the communication protocol stack (Physical and
Media Access Control), which are comparable to that of a personal area network
(PAN), defined in the recently developed IEEE 802.15 standard: hence, the utilization of these IEEE standards for C2WSNs. IEEE 802.15.4 operates in the 2.4-GHz
industrial, scientific, and medical (ISM) radio band and supports data transmission
at rates up to 250 kbps at ranges from 30 to 200 ft.