R-4900Pro
Main Features:
● 1024 channels
● Voice Prompt（Customized Languages）
● Timed Lock & Auto-lock
● Definalbe Side keys
● Talk Around and Reverse Frequency
● Low Power Alert
● High / Low Power Switching
● TOT / VOX / Scanning / Monitor
● One-click Privacy Decode (Analog Mode)
● Remote Monitor
● Startup Password
● Definable Device Name (send the name at the end of calling)
● Definable Startup Logo & Greetings
● Backlinght Level
● Dual-Standby
● Editable Channel Name
DMR Functions:
● 2000 Digital Contact List
● 256 Receiving Group List
● 256 Groups Encryption( ARC / AES128 / 256)
● SMS
● DTMF Stun / Kill / Activation
● 136*60*36mm, about 240g
| Specifications: | |
| Frequency Range | RX: FM radio: 64-108MHz AM Aviation Frequency Band: 108-136MHz Analog Frequency: 136-520MHz Digital Frequency: 136-174MHz 400-470MHz TX: Analog Frequency: 136-174MHz 400-470MHz Digital Frequency: 136-174MHz 400-470MHz |
| Working voltage | 7.4V DC |
| Working temperature | -20℃ ~ +60℃ |
| Channel storage | 1024 Channels +2*VFO channels |
| Frequency Stability | ±2.5ppm |
| Antenna Impedence | 50 Ω |
| Channel spacing | Analog:25kHz/12.5kHz Digital:12.5K |
| Modulation Type | Analog: F3E Digital: 4FSK |
| Maximum Frequency Deviation | ≤ 5KHz(W),≤2.5KHz(N) |
| SNR（W/N） | -45dB/ -40dB |
| TX Current | ≤1500mA |
| RF Modulation Sensitivity | |
| Modulation distortion | ＜5% |
| Receiving Sensitivity | 0.22μV/ 0.25μV 12dB SINAD |
| Audio Power | 1 W |
| Audio distortion | ＜5％ |
| Inter modulation（W/N) | 65dB/ 60dB |
| RX Current | ≤70mA |
| Standby current | ≤350mA |
| Battery Capacity | 2000mAh |
