Radio-tone RT4 4G LTE Android 6.0 WiFi PTT Zello

Description

Listing is for one Radio Tone RT4 - used but in great condition - works 100% - good for Zello / Teamspeak / Echolink etc.
Features:
Model No.:Radio Tone RT4
High Sensitive GPS antenna
Support:PTT
Support:GPS/BDS
Dimensions:130*56.5*34mm
Net Weight:260g (include battery)
Band:GSM: 850/900/1800/1900 (B2/3/5/8)
WCDMA: 850/900/1900/2100(B1/2/5/8)
TDD-LTE:2600/1900/2300/2600 (B38/39/40/41)
Sim Card:Dual SIM card dual standby (one is micro SIM)
Service Provide Unlocked
Shell Material Plastic
OS:Android 6.0 ;Applicable to other Walkie Talkie App
CPU:MTK6737, Quad Core 1.3GHz
RAM:2GRAM
ROM:8GB ROM, support TF card up to 32GB
Screen:2.4 inch QVGA capacitive touch screen, 320*240
Data transfer:USB/Bluetooth
Mobile internet:WAP/WiFi
Camera:Double cameras, 2.0MP front camera, 5.0MP back camera
Message:SMS/MMS
Input:Handwrite/Keypad
GPS:Yes, also support A-GPS/BDS
WiFi:IEEE 802.11 b/g/n
Working time:
Up to 20 hours ;Running on Zello App
Standby time:
Up to 96 hours
Color:Black
Dual SIM card dual standby
Other Features Email, Wallpapers, Calendar, Calculator, Clock, Play Store, Tethering & portable hotspot, etc