product
GT301
The GT301 is a GNSS safety phone that is designed for lone worker and vulnerable group safety. The model includes an OLED display allowing both inbound SMS display and 20 address book phone numbers. It is also equipped with 4 configurable speed dial buttons and 1 configurable emergency call button for SOS alarm.
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Quad band GSM/GPRS 850/900/1800/1900 MHz
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Internal u-blox chipset
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White OLED display (128*96)
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Inbound SMS display and 20 number address book
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Embedded full featured @Track protocol
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Low power consumption, long standby time with internal battery
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Internal 3-axis accelerometer for power saving and motion detection including man down alert
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Internal GSM/GNSS antennas
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CE certified
GSM Specifications
| Frequency |
Quad band: 850/900/1800/1900 MHz Compliant to GSM phase 2/2+ -Class 4 (2W @ 850/900 MHz) -Class 1 (1W @ 1800/1900 MHz) |
| GPRS |
GPRS multi-slot class 12 GPRS mobile station class B |
| RMS Phase Error | 5 deg |
| MaxRF Output Power |
GSM850/GSM900: 33.0±2 dBm DCS1800/PCS1900: 30.0±2 dBm |
| Dynamic Input Range | -15 ~ -108 dBm |
| Receiver Sensitivity | Class Ⅱ RBER 2% (-107 dBm) |
| Stability of Frequency | < 2.5 ppm |
| Max Frequency Error | ± 0.1 ppm |
GNSS Specifications
| GNSS Type | u-blox All-In-One GNSS receiver |
| Sensitivity |
Autonomous: -147 dBm Hot start: -156 dBm Reacquisition: -160 dBm Tracking: -162 dBm |
| Position Accuracy (CEP) |
Autonomous: < 2.5m |
| TTFF (Open Sky) |
Cold start: 27s average Warm start: 27s average Hot start: 1s average |
Interfaces
| Mini USB Interface | Used for charging and configuration |
| Power Button | Used for power on and off |
| SOS Button | SOS/Emergency alarm |
| Volume Adjustable Buttons | Two side buttons to increase/decrease volume |
| Dial, Reject Button | For dialing and rejecting incoming calls or menu selection |
| 4 Preset Number Buttons | For quick dialing of preset numbers or menu selection |
General Specifications
| Dimensions | 44mm(L) x 17.9mm(W) x 92mm(H) |
| Weight | 74g |
| Battery | Li-Polymer, 1000 mAh |
| Standby Time |
Without reporting: 240 hours 5 minutes’ reporting: 76 hours 10 minutes’ reporting: 86 hours |
| Charging Voltage | 5V DC |
| Operating Temperature | -20℃ ~ +55℃ |
| Display | 128*96, 1.3", white OLED display |
Air Interface Protocol
| Transmit Protocol | TCP, UDP, SMS |
| Scheduled Timing Report | Report position and status at preset time intervals |
| Geo-fences | Support up to 5 internal geo-fence regions |
| Low Power Alarm | Alarm when battery is low |
| Power On/Off Report | Report when the device is powered on/off |
| SOS/Emergency Alarm | SOS alarm when SOS button is pressed |
| Fall Detection | Man down alarm based on 3-axis accelerometer |
