Globalsat TR-101
1. Introduction
- Introduction
 Globalsat has been a pioneer in presenting innovating products especially around SiRF III enabled GPS devices. The latest announcement about a SiRF III device with tracking abilities raised our curioucity and therefore we decided to review the new TR-101 device.
Globalsat has been a pioneer in presenting innovating products especially around SiRF III enabled GPS devices. The latest announcement about a SiRF III device with tracking abilities raised our curioucity and therefore we decided to review the new TR-101 device. 
- Globalsat TR-101
The GlobalSat TR-101 is a personal remote positioning device with built-in GPS and GSM modules. It is compact and portable. There are three speed-dial keys and one emergency key on the Globalsat TR-101. You can use these features for protecting and searching for children and old people. You can use it as a security device to track anything that needs remote monitoring.

- Features
 • GPS personal locator.
• GPS personal locator. 
  • GSM/SMS   communication. 
  • Omni-directional high sensitivity GPS antenna which can   receive GPS signal from all direction. 
  • New technology and latest SiRF Star   III chipset! Excellent for fixing the position even at a weak signal status. 
  • Remote command control via mobile phones and/or through online software. 
  • Receive phone calls to have two way communications. 
  • It can filter   incoming calls for up to 10 phone numbers. Only these 10 numbers can call in to   the TR-101's and check its position. 
  • 3 quick dialing buttons for preset   phone numbers. 
  • Works worldwide since supports 4-frequency GSM 850/900/1800/1900   MHz. 
  • SOS button send out exact location for immediate rescue/action. 
  •   Independent SOS (emergency) button which will send GPS location information via   SMS for up to 3 preset numbers (it can be 3 sets of different numbers than the 3   sets of quick dialing numbers). 
  • Device can be connecting to PC by using a   USB cable for setup the arguments (package comes with mini USB cable when you   purchase the device). 
  • Low battery notification before the battery dies   out!
According to Globalsat, you can easily use free Google Earth mapping software or Google maps to check the location of TR-101, giving you instant access to valuable information. Note that Globalsat has already another model (TR-102) with increased functionality via GPRS protocol:

- Used chipset
The SiRF III chipset has the following specifications:
| Chipset:  | SiRF   Star III WAAS   enabled | 
| Frequency: | 1,   1575.42 MHz | 
| C/A code: | 1.023   MHz chip rate  | 
| Channels:  | 20   channel all-in-view tracking  | 
| Sensitivity | Acquisition: -148dBm | 
| Position Accuracy: | 10   meters, 2D RMS   | 
| ~   5 meters, 3D RMS WAAS | |
| Velocity: | 0.1   m/s | 
| Time: | us synchronized to   GPS time  | 
| Default: | WGS-84   Acquisition Time (Open sky, stationary) | 
| Reacquisition: | 0.1   sec., average  | 
| Hot start:  | 1 sec.,   average  | 
| Warm start: | 38   sec., average  | 
| Cold start: | 42 sec., average  | 
| Altitude:  | 18,000   meters (60,000 feet) max.  | 
| Velocity:  | 515   meters/second (1000 knots) max.  | 
| Acceleration: | Less   than 4g | 
| Jerk: | 20 m/sec | 
| Protocol messages: | NMEA-0183 output   protocol, BluetoothInterface Baud Rate 4800bps | 
| Output format:  | GGA(1sec),   GSA(5sec), GSV(5sec), RMC(1sec) | 
| Operating   temperature: | -20° to 60°   C | 
| Humidity: | 5% to   95% Non-condensing | 
In addition, the device has a GSM module compatible with GSM 850/900/1800/1900 MHz networks, with the following SAR values:
- GSM850 Head: 0.758
- PCS1900 Head: 0.735
- GSM850 Body(GSM): 0.206
- PCS1900 Body(GSM): 0.177
- GSM850 Body(GPRS): 0.21
- PCS1900 Body(GPRS): 0.223
 
							 
 
 
 
 
 
	 
	 
	 
	 
	 
	 
	 
	 
	 
	 
	 
	