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.

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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
14Power Saving
15TOT (Time-Out Timer)
16Keypad Lock
17Timed 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
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.