Product Description
Whats in the box? UHF Radio, Antenna, 1800 Mah Li-Ion Battery, Charger, and Manual.
RDR4280 UHF PROFESSIONAL DMR DIGITAL PORTABLE RADIO
Technology: DMR DIGITAL | Power: 5W | Warranty: 3 YEARS
Best Value on the market! Reliable, Durable, Cost-Effective.
For professionals who require cost-effective, reliable and easy to use radios to provide simple and efficient communication solution for a safer and more productive work environment.
| Radio Model | RDR4250 |
| Number Of Channels | 1000 |
| Frequency Bands | VHF: 136-174 MHz* / UHF: 400-512 MHz UHF |
| Operating Temperature | 4°F~+140°F (-20°C~+60°C) |
| Weight | With LCD Display- 365gr. (12.8oz) No LCD Display- 340gr. (11.9oz) |
| IP Rating | IP67 |
| Standard Battery | 2300mAh (Lithium battery) |
| Battery Life | Analog: up to 10h Digital: up to 14h |
| Channel Spacing | 12.5 KHz / 25 KHz |
| Digital Vocoder Type | AMBE+2 |
| Storage Temperature | -40°F~+122°F (-40°C~+50°C) |
| Power Output | 5 Watts VHF / 4 Watts UHF |
| Operating Voltage | 8.4V (Max) 7.4V (Nominal) |
| Current Drain (Approx.) | Standby: 0.14A TX: 1.4A RX: 0.35A |
| Antenna Impedance | 50Ω |
| Antenna Gain | 0dBi |
| LCD Display | 1.8 inches, 160x128pixel, Full Color |
| Emission Designators Analog | 11K0F3E, 16K0F3E Digital: 7K60F1D, 7K60F1E |
Receiver Specifications
| Frequency Stability | ±1ppm |
| Intermodulation | 70dB |
| Adjacent Channel Selectivity | 60dB@12.5KHz / 70dB@25KHz |
| Digital Sensitivity | 0.2μV (5% BER) |
| Spurious Response Rejection | 70dB |
| Rated Audio Distortion | ≤3% |
Transmitter Specifications
| FM Hum And Noise | -40dB@12.5KHz; -45dB@25KHz |
| Audio Distortion | ≤3% |
| FM Noise | 11K0F3E @12.5KHz |
| Adjacent Channel Power | 60dB(12.5kHz); 70dB( 25kHz) |
| Modulation Limit | ±2.5KHz@12.5KHz; ±5.0KHz@25KHz |
| FSK Error | ≤3% |
| 4FSK Digital Modulation | 12.5kHz Data: 7K60F1D 12.5KHz Voice: 7K60F1E |
| Audio Response | +1 dB to -3 dB |
| Intermodulation | 70dB |
| Rated Audio Distortion | ≤3% |
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