Lone Worker and Senior Care GPS Safety Phone
Product Description: 


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.


  • Quad band GSM/GPRS 850/900/1800/1900 MHz
  • Internal u-blox chipset
  • White OLED display (128*96)
  • Inbound SMS display and 20 number address book
  • Embedded full featured @Track protocol
  • Low power consumption, long standby time with internal battery
  • Internal 3-axis accelerometer for power saving and motion detection including man down alert
  • Internal GSM/GNSS antennas
  • CE certified

GSM Specifications


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 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

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



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