- The ND-100S is a compact and portable device、 which allows you to carry a GPS receiver for use<br>on your laptop whenever you travel<br>- The ND-100S requires no battery or cables、 only your favorite NMEA compliant navigation<br>software is all that¨s needed to turn a laptop into a powerful navigation system<br>- USB 2.0 interface and build-in SiRF Star III GPS chip<br>- Support SBAS (WAAS、 EGNOS and RTCM)<br>- Specification:<br>- GPS Chipset: SiRF Star III<br>- Frequency: L1、 1575.42 MHz<br>- Code: C/A Code<br>- Channels: 20<br>- Sensitivity Tracking:-159dBm<br>- GPS Antenna Type: Built-in ceramic patch antenna (18 x 18 x 4mm)<br>- Acquisition Rate: Hot start 1 sec.、 average/Warm start 38 sec.、 average/Cold start 42 sec.、<br>average/Reacquisition !#!lt!*!1 sec. average<br>- Protocol: GPS Protocol NMEA 0183v3 GGA (1sec)、 GSA (1sec)、 GSV (5sec)、 RMC (1sec)、 GLL、 VTG is<br>optional<br>- Baud Rate: 4800 bps<br>- USB Protocol: USB 2.0<br>- Operating Systems: Windows 98 / 2000 / XP / Vista / 7/Mac OS 8!#!amp!*!9 / Mac OS10/Linux 7.3 / 8.0 /<br>9.0<br>- Power: Voltage DC 5.0V、 USB bus power; Current: !#!lt!*! 55mA<br>- Package included:<br>- 1 * GPS USB dongle<br>- 1 * USB cable<br>- 1 * Software CD<br>- 1 * English user manual<br><br />                                                                                                                                Dimensions: 2.6 in x 0.91 in x 0.43 in (6.6 cm x 2.3 cm x 1.1 cm)<br />Weight: 2.57 oz (73 g)