With PCMCIA interface, this type of CDMA 1X wireless data cards developed and manufactured by ZTE Corporation support Notebook, With optional R-UIM card support, they can provide data, voice and SMS services, supporting 800MHz networks. Basic Functions * Data function * Voice function * SMS Technical Specifications * RX sensitivity: -106 dBm * Max. transmitting power: 23dBm * Max. data rate: 153.6 kbps( real speed is related to network) * CDMA protocol: CDMA2000 1X Rev0, Backward compatible with IS-95A/B Working Conditions * Working temperature: -10 ~ + 60degrees * Storage temperature: -20 ~ + 70degrees