Safety Phone for Vulnerable Groups

1. OLED inbound SMS display supporting 6 different languages

2. 4 speed dial keys & 20 stored phone numbers

3. Superior hands-free calling

4. Emergency button for SOS alarm

5. Emergency fall alert

The GT301 is Queclink’s personal communication and tracking product used to protect a wide range of vulnerable groups including security guards, postal workers, athletes, victims of domestic violence and the elderly as it is utilized by major network operators and service providers in America and Europe. The product has a simple user interface including a large emergency button and several buttons used to initiate calls to predefined numbers. The product includes a proprietary algorithm which is able to determine if the holder of the product has collapsed and sends an automated alert if this occurs.




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
Max RF 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

General Specifications

Dimensions 92 x 44 x17.9mm
3.62”(L) x 1.73”(W) x 0.70”(H)
Weight 74g (2.61oz)
Internal 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 x 96, 1.3″, white OLED display


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 and menu selection
USB Type-C Interface Used for charging and configuration

Air Interface Protocol

Transmit Protocol TCP, UDP, SMS
Scheduled 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


Product-Related Files

GT301 Flyer(EN)


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