Advanced Communication Features
Powerful Connectivity
- Tri-Band Frequency Support
- VHF: 136-174 MHz
- UHF Band 1: 350-390 MHz
- UHF Band 2: 400-470 MHz
- Ad-hoc Mode – Communicate instantly without network infrastructure
- DMO 6-Slot – Enhanced digital capacity for efficient channel use
Clear & Intelligent Audio
- Intelligent Noise Reduction for crisp communication
- Microphone Distortion Control ensures voice clarity
- Intelligent Audio dynamically adjusts to environmental conditions
Extended Performance
- Long-Lasting Battery – Over 24 hours of continuous talk time
- Fast Charging – Fully charged in just 4.5 hours
- Dual Power Settings – Switch between High (5W) and Low (1W) power modes
- Universal Charging – Compatible with standard 5V USB charging adapters
Professional-Grade Security & Control
- Embedded public security encryption card
- Standard full-duplex communication for natural conversation flow
- Advanced Call Management:
- Individual & group calling
- Emergency SOS alarm function
- Remote commands (kill/stun/revive)
- PTT ID display
Precision Positioning
- Integrated Beidou/GPS dual-mode positioning
- Mutual positioning between radios for team coordination
Universal Compatibility
- Supports multiple audio codecs for seamless interoperability
- Standard full-duplex communication mode
Ready to experience professional-grade communication? These features combine to deliver reliable, secure, and crystal-clear connectivity for demanding environments.


Introducing the T4: The Ultimate Tactical Communication Solution
True 6-Slot Direct Mode
Maximize efficiency with six simultaneous talk paths on a single frequency, enabling seamless team communication without channel congestion.
Extended 24+ Hour Battery Life
Powered by a robust 3100mAh battery, the T4 operates for over 24 hours in Ad-hoc mode—even under demanding duty cycles—keeping you connected when it matters most.
Cross-Platform Mesh Networking for Wide-Area Coverage
Acting as a wireless extension of Narrowband Mesh Radio systems, the T4 integrates effortlessly with IWAVE and other MANET radios—including manpack repeaters, mobile command centers, UAV networks, and handheld ad-hoc radios. Build a secure, self-forming, multi-hop mesh network that delivers reliable digital voice and data across expansive areas, giving commanders real-time situational awareness.
Mobile Command & Dispatch Hub
Monitor all connected tactical radios in real time—track battery levels, signal strength, online status, and GPS locations. Send and receive instant voice and text messages to enhance coordination and decision-making on the ground.
Compact, Rugged & Built to Endure
Featuring an innovative lightweight aluminum alloy and composite design, the T4 combines an ergonomic oval shape with exceptional durability. With an IP68 rating, it resists water, dust, shocks, and extreme conditions—performing reliably in the harshest environments.
Improved for:
- Clarity: Structured with clear headings and concise bullet-style points.
- Engagement: Active voice, benefit-focused language, and logical flow.
- Readability: Short paragraphs and scannable sections.
- Impact: Highlights key features and real-world advantages upfront.
| 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 |


Introducing the Defensor-T4: a versatile handheld radio built for seamless communication across multiple standards. Engineered to support critical missions, it serves public security, emergency response, border defense, firefighting, and military units with reliable connectivity. Power through extended operations with flexible battery options: the standard battery delivers over 20 hours of continuous use, while the high-capacity version extends beyond 23 hours. An external power supply port ensures you stay connected when it matters most. Designed for agility in high-pressure situations, the Defensor-T4 features streamlined, lightweight charging accessories—optimized for rapid deployment and ease of transport during emergencies. Wherever duty calls, stay powered, prepared, and in command.
| 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 -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 | |
| Selectivity | 60dB@12.5KHz/Digital | TTFF (Time To First Fix)hot start | |
| Intermodulation TIA-603 ETSI |
70dB @ (digital) 65dB @ (digital) |
Horizontal Accuracy | |
| Spurious Response Rejection | 70dB(digital) | Positioning Support | GPS/BDS |
| Rated Audio Distortion | 5% | ||
| Audio Response | +1~-3dB | ||
| Conducted Spurious Emission | -57dBm | ||
