Detailed Selling Lead Description Huawei EC321-PCMCIA CDMA Modem Network Port: CDMA2000 1xRTT CDMA IS-95 A/B Working Frequency: 824MHz-849MHz-869MHz-894Mhz (Uplink and Downlink) Size: 88.4x54x5mm Weight: 38g Uplink and downlink transmit speed CDMA 1x153.6kbps Support Windows 98se/windows 2000 / windows XP Power Supply: 3.3v/ 1000mA, dari PCMCIA slot With one year warranty