Digital mobile and base radio · Two-way radios
Rx775
Empower Your Operation
Available

Rx775UHF / VHF · 1024 channels · Up to 50 W
Request a quoteKey features
Rx775 at a glance
- Flexible InstallationRealix Rx775 supports various setups with control head options—standard, single, or dual remote – using cables up to 40m (customizable up to 120m). Ideal for small vehicles, ambulances, trucks, buses, and desktop offices.
- AI-Based Noise CancellationRealix Rx775 uses advanced AI technology to deliver clear audio by removing road noise, echoes, and nearby exhalation or howling sounds.
- ClearerReduces noise up to 30dB
- FasterFilters voices in milliseconds
- Flexible10-level adjustable AI noise control for different noise conditions
The Realix Rx775 is a flexible digital mobile radio designed for smooth communication across vehicles, motorcycles, and control rooms. It offers multiple control head options, smart connectivity, a modern UI, and AI noise cancellation for clear audio in noisy environments.
Technical detail
Specifications
| Frequency Range | UHF: 350-470MHz, VHF: 136-174MHz |
|---|---|
| Channel Capacity | 1024 |
| Zone Capacity | 64 (each with a maximum of 256 channels) |
| Channel Spacing | 12.5kHz/20kHz/25kHz |
| Operating Voltage | 13.6 V ±15% |
| Current Drain – Standby | < 0.5A |
| Current Drain – Receive | < 2.0A |
| Current Drain – Transmit 1W | <3A |
| Current Drain – Transmit 5W | <4A |
| Current Drain – Transmit 25W | <8A |
| Current Drain – Transmit 45W/50W | <12A |
| Frequency Stability | ±0.5 ppm |
| Antenna Impedance | 50Ω |
| Dimensions (H x W x D) | 61.5 x 177 x 179 mm |
| Weight | 1520g |
| LCD Display | 2.4 inch |
| Sensitivity – Analog | 0.18μV (12dB SINAD); 0.16μV (Typical) (12dB SINAD) |
|---|---|
| Sensitivity – Digital | 0.18μV/BER5% |
| 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: 70dB@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 | Internal (20 Ohm load): 3W; External (8 Ohm load): 7.5W |
| Max Audio Power Output | Internal (20 Ohm load): 8W; External (8 Ohm load): 20W |
| Rated Audio Distortion | ≤3% |
| Audio Response | +1 ~ -3dB |
| Conducted Spurious Emission | <-57dBm |
| RF Power Output | Low power: UHF: 1–25W, VHF: 1–25W; High power: UHF: 1–45W, VHF: 1–50W |
|---|---|
| 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 |
| Operating Temperature | -30°C ~ +60°C |
|---|---|
| Storage Temperature | -40°C ~ +85°C |
| ESD | IEC 61000-4-2 (Level 4); ±8kV (Contact); ±15kV (Air) |
| American Military Standard | MIL-STD-810 G |
| Dustproof & Waterproof | IP54 |
| Humidity | Per MIL-STD-810 G Standard |
| Shock & Vibration | Per MIL-STD-810 G Standard |
| GNSS | *GPS, GPS+GLONASS, GPS+BDS |
|---|---|
| TTFF (Time To First Fix) Cold Start | <1minute |
| TTFF (Time To First Fix) Hot Start | <10seconds |
| Horizontal Accuracy | <5meters |
| Standard control head | Small vehicles, motorcycles |
|---|---|
| Remote control head (Single or dual), connection cable (3m, 10m, or 40m) | Ambulance, fire engine, truck, large bus |
| Fixed station | Desktop office |
| Operating Modes | Supports digital, analog, conventional, and trunking communication. |
|---|---|
| Voice Services | Offers private, group, and all-call options. |
| Text Messaging | Enables private messages, group messages, and quick texts. |
| Solutions | Includes IP transit, back-to-back, wireless link, and clarity transmission. |
| Security | Equipped with emergency alarm, lone worker mode, authentication, encryption (basic, full, hardware), and over-the-air security. |
| GPIO Pins | Supports public address, horn/lights, voice notify, and ignition sense. |
| Supplementary Features | Includes alert call, remote monitor, enable/disable, and radio check. |
| Analog Mode | Supports 2-tone signaling and HDC1200. |
Accessories
- Standard: Conventional model: palm microphone without keypad
- Standard: Trunking model: palm microphone with keypad
- Standard: Mounting bracket
- Standard: Power cord
- Standard: Fuse
- Standard: Model with GPS: GPS antenna
- Optional: External Speaker
- Optional: Desktop Microphone
- Optional: External Power Supply
- Optional: Programming Cable (USB Port)
- Optional: Data Cable
- Optional: Foot Switch (external PTT)
- Optional: Wireless Earpiece
- Optional: Ignition Cable
- Optional: Antenna
- Optional: GPS Antenna
- Optional: DIN vehicle mounting bracket
- Optional: Dispatch cable
- Optional: Mobile Radio Remote Mount Kit
- Optional: Cabinet Power Supply
- Optional: Wireless remote speaker microphone
- Optional: Wireless PTT
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