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Ad-hoc Digital Two-way Handset VHF Tactical Radio

Model: Defensor-T4

Defensor-T4 handheld radio is a wireless extension of the Narrowband Mesh Radio station. It is convenient to take it and go deep into the emergency scene with high quality clear two-way voice and precise GPS communication.

 

As a tactical two way radio terminal, T4 and other manet mesh radio repeaters, tactical manet base stations and on-site Mesh portable command center conducts smooth interactions to achieve efficient coordination.

 

T4 vhf handheld radio is the best way to communicate during a disaster for a variety of application scenarios such as local collaboration among frontline teams, interconnection for high-elevation or underground areas, inside buildings, dense forest and urban firefighting.

 

Equipped with a detachable lithium battery for over 24hours continuous working.

 

The integrated die-cast structure of aluminum alloy and plastic and the high protection level of IP68 ensure that the T4 can withstand extreme conditions such as water, dust, and explosion.


Product Detail

Features

●VHF: 136-174Mhz
●UHF 1: 350-390Mhz
●UHF 2: 400-470MHz
●Ad-hoc Mode
●High(5W)/Low Power(1W) Switch
●DMO 6-Slot
●Intelligent Noise Reduction
●More Than 24hours talk time
●Microphone Distortion Control

●Supports individual call, group call, kill, stun, revive, PTT lD display, etc.
●Beidou/GPS positioning and mutual positioning between radios
●Compatible with various audio codecs
●Embedded public security encryption card
●Standard full-duplex communication mode
●Compatible with universal 5V USB charging head.
●SOS Alarm
●Intelligent Audio
●Fast Charging: fully charged in 4.5-hour to get 24hours talk time.

long distance radio communication
best-long-range-handheld-radio

DMO True 6-Slot
In Direct mode T4 can provide 6-slot communication, which
allows for 6 talk paths on 1 frequency.

Longer Battery Life
In Ad-hoc mode, with 3100mAh battery, T4 can operate for more than 24 hours
under a duty cycle of 5-5-90.

High Efficient Cross-platform Collaboration for Big Area Coverage
As a wireless extension of the Narrowband Mesh Radio station, it can conduct smooth interactions with IWAVE other different types manet radios. Such as the manpack radio repeater, mobile command center, uav ad hoc network and Handheld Ad-Hoc Network Radios to build a narrowband, self-grouping, multi-hops and wide area mesh coverage network with digital voice and high security. So that commanders can intuitively understand the situation instantly.

Mobile Command and Dispatching Center
Dispatcher can monitor all the tactical radios with the real time battery level, signal strength, online status,GPS locations, etc.
Send and receive real-time voice and text to improve situational awareness.

Smaller Size, IP68 Protection Level, Robust Design
T4 adopts an innovative integrated die-cast structure of lightweight aluminum alloy and plastic. The vertical oval design is comfortable to hold and durable. The IP68 protection level can withstand extreme conditions such as water, dust, and explosion. It can be used normally in harsh environments.

Various Ports

No Name No Name
1 PTT button 8 Speaker
2 2PTT button 9 ◀/▶ key
3 Function knob 10 Confirm key
4 Emergency alert 11 Numeric key
5 LED Indicator 12 Return/hang up button
6 Display screen 13 Type-C Port
7 Microphone 14 Dispatch console button

 

 

Interface-of-T4-Radio

Application

emergency communication during natural disaster

Defensor-T4 is a comprehensive handheld radio compatible with various communication standards. It meets the needs of government departments such as public security, armed police, emergency services, border defense, forest and urban firefighting. lt is equipped with a standard battery or a high-capacity battery and an external power supply port. The standard battery provides continuous power for over 20 hours while the high-capacity battery offers continuous power for over 23 hours. The charging accessories are designed to be the most simplified and lightweight, enhancing adaptability for emergency communication and transportation.

Specifications

Handheld PTT MESH Radio Base Station(Defensor-TS1)
​General Transmitter
Frequency VHF: 136-174MHz
UHF1: 350-390MHz
UHF2: 400-470MHz
RF Power 1W/5W Switch(VHF)
1W/4W Switch(UHF)
Channel Capacity 300 (10 Zone, each with a maximum of 30 channels) 4FSK Digital Modulation 12.5kHz Data Only: 7K60FXD 12.5kHz Data&Voice: 7K60FXE
Channel Interval Digital: 12.5khz Conducted/Radiated Emission -36dBm<1GHz
-30dBm>1GHz
Operating Voltage 7.4V±15%(rated) Modulation Limiting ±2.5kHz @ 12.5 kHz
±5.0kHz @ 25 kHz
Frequency Stability ±1.5ppm Adjacent Channel Power 60dB @ 12.5 kHz
70dB @ 25 kHz
Antenna Impedance 50Ω Audio Response  +1~-3dB
Dimension 124*56*35mm(without antenna) Audio Distortion 5%
Weight 293g   Environment
Battery 3200mAh Li-ion battery (standard) Operating Temperature  -20°C  ~ +55°C
Battery Life with standard battery 24hours Storage Temperature  -40°C  ~ +85°C
Protection Grade IP67
Receiver GPS
Sensitivity -120dBm/BER5% TTFF(Time To First Fix)cold start <1 minute
Selectivity 60dB@12.5KHz/Digital TTFF (Time To First Fix)hot start <20s
Intermodulation
TIA-603
ETSI
70dB @ (digital)
65dB @ (digital)
Horizontal Accuracy <5metres
Spurious Response Rejection 70dB(digital) Positioning Support GPS/BDS
Rated Audio Distortion 5%
Audio Response +1~-3dB
Conducted Spurious Emission -57dBm

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