DM-4R
Main Features:
● Dual band radio / NOAA / FM / Air Band RX
● Startup Password
● Definable Device Name(send the name at the end of calling)
● Customized Startup Logo / Greetings
● Voice Prompt
● 1024+2*VFO Channel, 250 Zones Supported
● Talk Around and Reverse Frequency
● High / Low Power Switching
● TOT / VOX / Scanning / Monitor
● Editable Channel Name
● Timed Lock & Auto-lock
● DTMF Setting (Analog Mode)
● Definalbe keys
● Dual Standby
● One-click Privacy Decode(Analog Mode)
● Local / Remote Alarm
DMR Functions:
● 2000 Digital Contact List
● 256 Receiving Group List
● 256 Groups Encryption( ARC / AES128 / 256)
● SMS
● Stun / Kill / Activation
● Remote Monitor
● 112 × 61 × 38 about 198g
| Specifications: | |
| 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℃ |
| Working Mode | Same frequency simplex,different frequency simplex |
| 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 | ≤1W（16Ω） |
| Audio distortion | ＜5％ |
| Inter modulation（W/N) | 65dB/ 60dB |
| Standby current | ≤350mA |
| RX Current | ≤70mA |
| Battery Capacity | 2000mAh |
