37SIC-3G-TDIntroductionThe SIC-3G-TD module provides access to 3G networks. It supports the following features:• GPRS• EDGE• TD-SCDMA• HSDPAInterface specificationsTable 52 Interface specificationsItem DescriptionConnector typeTNC: For connecting an antenna and accessing WLANs.RJ-45: For connecting to a third-party WLAN debugging and testing softwaresuch as CAIT of Qualcomm.Number of connectors 1 TNC RF1 RJ-45Interface standard TNC RF: Omni antenna, supporting GPRS/EDGE/TD-SCDMA//HSDPARJ-45: RS-232Cable type TNC RF: NoneRJ-45: AUX cableRates• HSDPA (downlink: 2.8 Mbps, uplink: 384 Kbps)• TD-SCDMA (downlink: 384 Mbps, uplink: 384 Kbps)• EDGE (downlink: 236.8 Kbps, uplink: 236.8 Kbps)• GPRS (downlink: 85.6 Kbps, uplink: 85.6 Kbps)Services GPRS/EDGE/TD-SCDMA/HSDPAInterface LEDsFigure 41 SIC-3G-TD panelTable 53 LED descriptionLED DescriptionWWAN • Steady green: A link is present.• Flashing green: Data is being transmitted or received.RSSI• Steady green: Strong signal.• Flashing green: Middle or low signal.• Off: Weak signal or no signal.