Advanced digital portable radio
Rx765
Realix Unveils Rx765: A Future-Ready Digital Radio Redefining Communication Standards

Overview
Overview
Realix, a leader in professional digital radios, introduces the Rx765 – its latest innovation shaped by extensive R&D and user feedback. Designed for the future, the Rx765 features powerful audio, long battery life, exceptional portability, and rugged durability. It sets a new benchmark in digital communication, delivering reliable and efficient performance across diverse industries and environments.
Key features
- Slim and Lightweight Design for Enhanced PortabilityAt just 29.5mm thick and 310g, the Rx765's slim, lightweight build makes it easy to carry, helping officers stay mission-focused.
- Extended Battery Life for All-Day PerformanceThe Rx765's compact lithium polymer battery provides up to 24 hours of use, ensuring reliable communication throughout an entire shift.
- Crisp, Clear Audio in Any EnvironmentThe Rx765 delivers louder, clearer sound with a forward-facing speaker and AI-based noise cancellation. Water-porting technology ensures consistent audio clarity, even in wet conditions.
- Smarter Interface for Faster OperationThe Rx765 features a 2.4-inch color display with an intuitive UI, Quick Access Menu, and conversation-style messaging. An Interface Switcher and programmable buttons boost efficiency with fast access to key functions.
- Expanded Coverage for Greater ReachThe Rx765 offers extended operational and talk range with high receiver sensitivity and transmit power, enabling communication in previously unreachable areas. This enhances user safety and lowers network costs.
- Built Tough for Any MissionThe Rx765 meets MIL-STD-810G standards and has an IP68 rating, making it waterproof up to 2 meters for 4 hours and resistant to 2-meter drops onto concrete. It's built to withstand the toughest environments.
Specifications
General
- Frequency Range
- UHF: 350~470MHz; VHF: 136~174MHz
- Channel Capacity
- 1024
- Zone Capacity
- 64
- Zone Channel
- 256
- Channel Spacing
- 12.5kHz/20kHz/25kHz
- Operating Voltage
- 7.7V (rated)
- Battery
- 2400 mAh Li-polymer
- Battery Life (5/5/90 Duty Cycle, High TX Power)
- 24h (GNSS disabled); 20h (GNSS enabled)
- Frequency Stability
- ±0.5ppm
- Antenna Impedance
- 50Ω
- Dimensions (H x W x D)
- 132 x 55 x 29.5mm
- Weight (with antenna & battery)
- 310g
- Display
- LCD, 320×240 pixel, 262000 colors, 2.4 inch, 10 rows
- BT
- BT 5.0 BLE+EDR
Receiver
- Sensitivity
- Analog: 0.18μV (12dB SINAD); 0.16μV (Typical) (12dB SINAD); Digital: 0.18μV/BER5%
- Adjacent Channel Selectivity
- TIA-603: 60dB@12.5kHz / 70dB@20/25kHz; ETSI: 60dB@12.5kHz / 70dB@20/25kHz
- Intermodulation
- TIA-603: 70dB@12.5/20/25kHz; ETSI: 65dB@12.5/20/25kHz
- Spurious Response Rejection
- TIA-603: 70dB@12.5/20/25kHz; ETSI: 70dB@12.5/20/25kHz
- Blocking
- TIA-603: 80dB ETSI: 84dB
- Hum and Noise
- 40dB@12.5kHz; 43dB@20kHz; 45dB@25kHz
- Rated Audio Power Output
- 0.5W
- Rated Audio Distortion
- ≤3%
- Audio Response
- +1 ~ -3dB
- Conducted Spurious Emission
- <-57dBm
Transmitter
- RF Power Output
- UHF: 1W/4W VHF: 1W/5W
- FM Modulation
- 11K0F3E@12.5kHz; 14K0F3E@20kHz; 16K0F3E@25kHz
- 4FSK Digital Modulation
- 12.5kHz Data Only: 7K60FXD; 12.5kHz Data and Voice: 7K60FXW
- Conducted/Radiated Emission
- -36dBm<1GHz; -30dBm>1GHz
- Modulation Limiting
- ±2.5kHz@12.5kHz; ±4.0kHz@20kHz; ±5.0kHz@25kHz
- FM Hum & Noise
- 40dB@12.5kHz; 43dB@20kHz; 45dB@25kHz
- Adjacent Channel Power
- 60dB@12.5kHz; 70dB@20/25kHz
- Audio Response
- +1 ~ -3dB
- Audio Distortion
- ≤3%
- Digital Vocoder Type
- AMBE+2™
- Digital Protocol
- ETSI-TS102 361-1,-2,-3
Environmental
- Operating Temperature
- -30°C* ~ +60°C (*Radio only – Battery -20°C)
- Storage Temperature
- -40°C ~ +85°C
- ESD
- IEC 61000-4-2 (Level 4); ±8kV (contact); ±15kV (air)
- Dust and Water Protection
- IEC60529- IP68
- Humidity
- MIL-STD-810 G
- Shock and Vibration
- MIL-STD-810 G
Location Services
- GNSS
- GPS, GLONASS, BDS
- TTFF (Time To First Fix) Cold Start
- <1 min (Typical)
- TTFF (Time To First Fix) Hot Start
- <10 sec (Typical)
- Horizontal Accuracy
- <5m (probable at -130dBm)
Features
- Operation Modes
- Conventional (Digital / Analog), and Digital Trunking
- Voice Services
- Private, Group, Emergency, Broadcast, PSTN – Calls
- Data Services
- Private Text, Status, Group Messages, Quick Text
- Connectivity
- Bluetooth, GPS, GLONASS, Accessory Support
- Security
- Emergency alerts, Man Down, Lone Worker, Authentication, Encryption (Basic/Full)
- Other
- Roaming, Remote Monitor, Call Alerts, 2-Tone Analog Support
- Analog Mode
- 2-Tone signaling, 5-Tone Signaling, HDC 1200
Downloads
Open to everyone
Available after registration
Fill in a short form once to download:
- User manualRegister to download: Rx765 user manual
- Firmware and softwareRegister to download: Rx765 firmware and software
- Price listRegister to download: Rx765 price list
- Drawings and CAD filesRegister to download: Rx765 drawings and cad files
Accessories
Chargers and headsets must be used as the certificate allows.
Standard
- Charger CH10L27
- Adapter (12V/1A)
- Battery BP2403
- Antenna
- Belt Clip BC39
- Strap RO03
Optional
- Wireless Earphone
- Programming Cable (USB Port)
- Wireless Finger PTT
Approvals for Indian sites
Realix holds ATEX, IECEx, PESO, BIS and ISO certification at group level, and is listed on GeM.
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