A device, network and method wherein a standard wireless modem is coupled to wiring for carrying a wireless baseband signal that may be OFDM based, and may be directly generated by the wireless IF modem, or extracted from the modem RF signal. The compensation gages are arranged crosswise to each associated main strain gage, and connected in series with their associated main strain gage. The polymer sensing membrane layer is formed of a porous polymer support membrane, and an optical sensing composition covalently bonded thereto. The series circuit is provided between emitters of two transistors of the differential pair, one of differential input terminals of the differential amplifier and the transistor of the differential pair are connected via a resistor, and the other of the differential input terminals of the differential amplifier and the transistor of the differential pair are connected via a resistor.