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Product Information

TETRA Digital Mobile Radio

Delicate design and Easy Operation
Ergonomic design with enhanced operation convenience and communication efficiency: HYT always bears this principle in mind in every detail of design. The large 260K color transflective TFT LCD enables you to access your desired information with ease even under bright sunlight. What’s more, user-friendly interface, keypad entry, and powerful speaker 4W) can give you excellent operation and communication experience. 

Exceptional Quality and Flexible Installation
MT680 allows you much installation flexibility. You may integrate the front panel with the main unit, or install it separately at a place where you can easily access operation controls. The front panel is IP67 compliant, capable of delivering you exceptional performance in various harsh conditions. 

Versatile Services and Functions
MT680 supports all TETRA voice and data services. With built-in GPS feature, you will no longer be troubled by the question “where are you”. Optional encryption and recording features would bring you more benefits. The reserved port is another advantage, enabling you to customize your desired function. 

Instant and Seamless Communication
High transmit power (10W) enables you to reach a further team member. With MT680, you can enjoy quick access to TETRA network and roaming services. Additionally, MT680 provides powerful operation compatibility with base stations and terminals of different manufacturers.

Operation Mode 

  • Trunking Mode Operation (TMO): communications over TETRA network (semi-duplex and full duplex mode)
  • Direct Mode Operation (DMO): direct communications between terminals without network intervention (semi-duplex mode)

Voice Services
  • Group Call
  • Standard Group Call
  • Priority Group Call
  • Emergency Group Call
  • Receive Broadcast Call (TMO)
  • Late Entry
  • Talking Party Identification
  • Announcement Talk Group call l 
  • Individual call
  • Standard Individual Call - Half Duplex
  • Standard Individual Call - Full Duplex (TMO)
  • Priority Individual Call
  • Calling Line Identification Presentation
  • Pre-emption Priority Call - PPC
  • Telephone Call (PSTN/PABX) (TMO)
  • Full Duplex Operation 
  • DTMF 
  • Calling Line Identification Presentation
  • Pre-emption Priority Call - PPC 

Security Services

  • Authentication
  • Stun/Revive
  • Air Interface Encryption
  • TEA1
  • TEA3
  • TEA4
  • E2EE (End-to-End Encryption) Security Services 
  • E2EE encryption module with full tamper protection 
  • Multiple Algorithm support 
  • PIN/PUK Code Access
  • Security Class 1, 2, 3

 User Safety

  • Dedicated Emergency Button 
  • Talk Group Lock 
  • Keypad Lock

Data / Messaging Services

  • Short Data Service (SDS) -- 1, 2, 3, 4, TL
  • Status Message / Text Message
  • New text/status message notification during calls
  • Circuit Data Service 
  • Packet Data Service 
  • Peripheral Equipment Interface (PEI) 

User Interface Features

  • 16 programmable key for quick access to function
  • Multi-function Talk Group Selector and Volume Control Knob
  • 4-way Navigation Keys
  • Dedicated Emergency Button 
  • Call Log: missed/received/dialed lists
  • Flexible Dialing (list scroll, direct dial, alphabetic search, last number redial) 
  • External Palm Microphone 
  • Adjustable Display Contrast
  • 2 Languages (English, Simplified Chinese)*
  • Selectable Profiles
  • GPS Location Service 
  • Built-in high sensitivity GPS
  • Fully integrated single-chip GPS receiver
  • Full programmable position update triggers
  • Position information transmission during Emergency Alarm
  • Time Synchronization and Calibration

* Multi-language is available on request.
Due to continuous technology development, functions with a  mark contained in this brochure will be available to future versions of MT680. 



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