R-4900 Iradio
The iradio R-4900 is a 5W IP67-rated DMR two-way radio built for reliable communication in harsh environments, it delivers stable performance for security, industrial, and outdoor operations.
Functions
Built into the radio.
- 01Analog Mode: 400–520MHz or 136–174MHz
- 02Digital Mode: 400–470MHz or 136–174MHz
- 03Voice Prompt (Customized Languages)
- 04Timed Lock or Auto-Lock of Keypad
- 05Talk Around and Frequency Reverse
- 06One-click Privacy Decode (Analog Mode)
- 07Low Power Alert
- 08Definable Side-keys
- 09256 Channels, 16 Zones (16 channels per zone)
- 10Emergency Alarm
- 11Scrambler
- 12Scanning
- 13High/Low Power Switching
- 14Definable Side-keys
- 15Power Saving
- 16TOT (Time-Out Timer)
- 17Keypad Lock
- 18Timed Shutdown
DMR Functions
2000 Digital Contact List
256 Receiving Group Lists
256 Group Encryption (ARC/AES-128/AES-256)
Remote Monitor
See it in detail.
Technical data
Specifications
General
- Frequency Range
- VHF: 136–174MHz | UHF: 400–470MHz
- Frequency Stability
- ±2.5PPM
- Channel Capacity
- 256
- Operating Voltage
- 7.4V DC
- Antenna
- Rubber antenna
- Antenna Impedance
- 50Ω
- Work Mode
- Same frequency simplex / Different frequency simplex
- Ground Method
- Negative Electrode
- Channel Spacing
- Analog: 12.5KHz / 25KHz | Digital: 12.5KHz
- Working Temperature
- -20°C ~ +60°C
- Frequency Stability (Tolerance)
- ±2.5PPM
- Dimension
- 137 × 61 × 36mm
- Weight
- 245g
- Battery Capacity
- 2000mAh
Transmitting
- RF Power Output
- 5W
- Modulation Type
- Analog: F3E | Digital: 4FSK
- Modulation Limitation
- ≤ 5%
- Max Frequency Deviation
- ≤ 5KHz / ≤ 2.5KHz
- FM Noise
- ≤ -45dB
- Spurious Radiation
- < -6dB
- Pre-emphasis Characteristic
- 6dB
- Frequency Characteristic
- ±3dB
- Signal Noise Ratio
- 40dB
- Digital Protocols
- ETSI-TS 102 361-1/-2/-3
Receiving
- Sensitivity
- 0.22uV (12dB SINAD) | 0.25uV (12dB SINAD)
- Selectivity
- 55dB
- Adjacent Channel Selectivity
- > 70dB
- Noise Respond
- > 60dB
- FM Noise
- 45dB / 40dB
- Modulation Type
- F3E
- Audio Distortion
- < 5%
- Intermodulation
- 65dB / 60dB
- Standby Current
- < 70mA
SIRIM approved.
Certification for the Malaysian market.
