Product Characteristics: Model : PC-88 Interface : PCMCIA TYPE Module: GPRS CLASS 10 Networks : GSM900/ DCS1800 /PCS1900 Transmission Capacity: 53.6Kbit/s(Ports for Mike and Headset) Current: <4mA Voltage: 3.3~5V DC Compatibility : High Working Temperature: -30/80 Measures : 85X54X5mm(Antenna included) Weight : 45g CPC PC Data Cards can work with any SIM of GPRS when it is connected,which enables the customers to surf Internet anytime anywhere without limitation. Its transmission rates can reach as high as 53.6kbps with PCMCIA slot for general connect with any PC.The capacity will be improved relatively with upgrade of GPRS. Technology Specification: 1. Standard PCMCIA slot,easy to connect with laptops,portable computer. 2. With the same functions of GPRS Cell phone which can be applied with software for dialing up,answering calls,sending and receiving text messages as well sorting out diary. 3. Maxim transmission rate as much as 53.6kbps; Regular rate up to 53.6kbps for GPRS. 4. Intelligent power management,high heat dissipation, automatic and adjustable input and output to guarantee base switching and stable connection in speedy mobilization. 5. High Connection Rates within GPRS covering all oceans. 6. Fast connection, less than 10 seconds from dialing to getting through. 7. Separately workable,automatically roaming. 8. Based on GPRS grouping service. 9. In-built Antenna,Simple and pleasant appearance.