Estalky E618 combines the advantages and comfortable handling of a rugged smartphone with the unique features of professional PTT over Cellular (PoC)
With IP68 protection which is dust-proof, waterproof, and as rugged as a radio, while the large 5.7” multi-touch display features Gorilla® glass.
Two SIM card slots allow far greater coverage than on a regular smartphone. The device is also equipped as standard with an integrated NFC function in addition to Bluetooth.
The E618 also features a 2W speaker and a dual microphone for clear audio quality, The powerful and removable 4800 mAh long-life battery pack with a fast charging feature ensures optimum availability and reliable communication.


Are you still worry about the screen size which is too small for communication and operating ?

Estalky new evolution push to talk phone with 5.7 inch screen. delicated PTT button and SOS button, make your working and communication easy and flexible. it embodied dual MIC,2W speaker, latest Android 9.0 OS with Supporting GMS certification. 


A PTT(Press to Talk)or(Press to Transmit)button is on all two way radios and many mobile phones.

The button is used to transmit a commnunication,it is active when pressed and not when depressed,the user simply presses the PTT button,waits for half a second and transmits their message.


With a single press,the SOS button on the PTT enables you to escalate matters of safety and related concerns to our safety team in real time.
Feature Technical Description
1.1 Main CPU & SW
CPU SC9863 Octa core
Android Android 9.0
OS Language Multi-Language:Korean, Japanese, English, Chinese...
1.2 Memory
RAM+ROM 2GB +16GB / 3GB+32GB(Max optional 4GB+64GB)
SD Card Up to 32GB
1.3 LCD
LCD TFT 5.7"
LCD resolution 1440 X 720 pixel
LCD Colors 16M color IPS TFT
1.4 Touch
Touch type & size 5.7" / Capacitive 
Glass Coning generation 3
Multi-touch 5 point touch screen 
1.5 Sensor
Sensor G-Sersor/Light Sensor/Distance Sensor/Geomagntic
1.6  Frequency Bands
GSM:B2 / B3 / B5 / B8
WCDMA:B1/B2/ B4/ B5/ B8
FDD:B1/ B2/ B3/ B4 /B5/ B7/ B8/ B12/ B17/ B19/ B20/ B28(a&b)
1.7 Camera
Front & Rear Camera Back:13.0M with focus,Front:2.0M
1.8 Wi-Fi
IEEE802.11a Yes (5G)
IEEE802.11b Yes(2.4G)
IEEE802.11g Yes(2.4G)
IEEE802.11n  Yes(2.4G&5G)
WIFI anternna Type Wi-Fi & BT Coexistence 
Internal  FPC antenna
1.9  Bluetooth
Version BT v4.0 with BLE
BT2.1+EDR(Enhanced Data Rate)
Power Level (Max) Class 2
Operation distance (Max) 10 meter
2.0 GPS & A-GPS
GLONASS Support Yes
GPS Support Yes
AGPS Support Yes
GPS antenna Type Internal FPC antenna
2.1 Speaker & MIC
Output Φ36mm,2.0W
SPL 95dB
Receiver 1506
MIC Type single pole mic
MIC Sensitivity -42dB±3
SIM card one Micro-SIM card
Vibrator Yes
2.2 USB
USB type : Micro USB Yes
USB : More than v2.0 2.0
Cable length 1.0m
2.3 Earjack Interface Type 3.5mm Earphone connector
2.4 Indicator LED 3-colors(Red、Green、Blue)
3.1 Size
Height ( H * W * D ) 119.5 x 61.5 x 23.5
Weight  210g
IP code IP68
Drop Test  1.5m
3.2 Key buttons
keys button Yes
4、 Battery
Battery type Li-Po
Battery capacity 4800 mAh
Removable battery Yes
5、 Charge, Data Interfaces
5.1 Charging
Micro USB (For Handset) Yes
Battery charging terminal (For Cradle) Cradle charging
5.3 Cradle Spec
Input voltage  DC 5V / 2.0A
Output voltage DC 5V /  1.3A
DC 4.35V /  0.7A
Interface Type Micro USB
5.4 Phone Adaptor Spec
Input voltage AC 100 ~ 240V
Output voltage DC 5V / 2.0A
Interface Type Standard USB
6、 Environmental Conditions
Operating Temperature ( -20℃ ~ 60℃) -20℃ ~ 60℃
Storage Temperature ( -30℃ ~ 70℃)  -30℃ ~ 70℃
Humidity (20 ~ 90%) 20 ~ 90%
ESD (Contact: ±8KV / Air:  ±12KV)  Contact:  ±8KV 
Air:  ±12KV
RoHS 6 Complian Yes
7、 Certification and safety spec
Europe CE
American FCC