Portable GPS receivers have been around for a while, but in recent years they’ve become smaller, less power hungry, and more accurate. In addition, the majority of the currently available GPS receivers incorporate Bluetooth connections to mobile computers, PDAs, and smartphones.
The Visiontac VGPS-700 is an example of the best of this new breed. As you can see by the image, it’s incredibly small—small enough to be attached to a keychain, slipped into a pocket, or clipped on to my iPAQ’s carrying case. It employs a SiRFstar III chip set, which makes GPS signal acquisition lightning fast. The built-in lithium polymer battery powers the device for 8-12 hours—a remarkable amount of time for such a small device.
It would be great if Visiontac added data logging capability to the VGPS-700 for those who occasionally need to retrace their steps. But it’s an excellent receiver as is, and has made my travels easier. I highly recommend it for anyone needing to add GPS capability to a Bluetooth-enabled Windows Mobile device.
Features
- SiRF Star III high performance and low power consumption chipset.
- 20 parallel satellite-tracking channels for fast acquisition and reacquisition. Positioning accuracy between 1 to 5 meters. (SiRF Specification)
- Compact, stylish and handy design, weight only 33g.
- Excellent Bluetooth compatible function.
- Enclosure made of GE original Polycarbonate material, with black high gloss piano finish
- Unique in-vehicle auto power-on mode, with rich enclosed accessories.
- Built-in high performance lithium polymer battery, together with external battery box, for 17-20 hours of continuous operation.
- Support universal NMEA-0183 data protocol
- With DGPS corrected and no SA code it can reach a positioning accuracy of 1 meter.
- Battery’s life depends on actual usage
Product Specification
- Dimension: 53.5(L)x32.5(W)x13.9(H)mm
- Weight: 33g
- Volume: 24cc
- Channels: 20 channel all-in-view tracking
- Frequency: 1575.42 MHz (L1, C/A code)
- Minimum signal tracked: -159dBm
- Antenna Type: Built-in ceramic antenna
- Bluetooth Default: PIN 0000
Bluetooth
- Compatible Bluetooth device with Serial Port Profile
- Bluetooth version 1.2 compliant
- Bluetooth Class 2 operation (up to 5 meters range)
- Frequency: 2.400 to 2.480 GHz
- Modulation: FHSS / GFSK
- RF channels: 79
- Input sensitivity: -80dBm
- Output level: 4dBm
- Power Supplies:
- Built-in Battery: Built-in rechargeable lithium polymer battery with capacity (850mAh) which enables VGPS-700 to run 8 to 12 hours*
- With the external battery box: 18-20 hours
- AC adapter:
- INPUT: AC100-240V, 50-60HZ, 11VA
- OUTPUT: DC 5.0V, 600mA
- Car Charger:
- INPUT: DC 12-24V
- OUTPUT: DC 5.0V, 1000mA
- External Battery Box:
- Four AAA Ni-MH or alkaline battery cells is recommended
- Battery’s life depends on actual usage.
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