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DR-880 Handheld ham radio,Long Distance Talking Handheld DMR Digital Two Way Radio Walkie Talkie
- Commodity name： DR-880 Handheld ham radio,Long Distance Talking Handheld DMR Digital Two Way Radio Walkie Talkie
- Model Number： DR-880
- Brand： Kydera
- Product Origin： Quanzhou
- Type： Two Way Radio
Category：
Detailed Introduction
Handheld ham radios, also known as amateur radios or ham radios, are compact and portable devices used by amateur radio operators for communication over short to medium distances. These radios operate on a range of frequencies allocated for amateur radio use and are popular among hobbyists, emergency responders, and outdoor enthusiasts. Handheld ham radios typically feature a built-in antenna, rechargeable battery, and various communication modes such as FM, AM, and SSB, allowing users to communicate with others in their local area or around the world.
One of the key advantages of handheld ham radios is their versatility and reliability in situations where traditional communication channels may be unavailable. In emergencies or natural disasters, handheld ham radios can be crucial for establishing communication with authorities, rescue teams, or other individuals to coordinate relief efforts and ensure the safety of affected communities. Their compact size and battery-powered operation make them ideal for use in remote locations or during power outages.
Furthermore, handheld ham radios foster a sense of community among amateur radio enthusiasts, who often participate in organized events, contests, and public service activities using their radios. These radios allow operators to connect with like-minded individuals, exchange information, and participate in recreational activities such as DXing (long-distance communication) and satellite communication. Overall, handheld ham radios provide a reliable, flexible, and enjoyable means of communication for amateur radio operators worldwide.
DR-880 Long distance talking Handheld DMR Digital two way radio walkie talkie
Main Features
• Private call
• Group call
• All call
• Kill
• Revive
• Battery save mode
• One-touch call
• Remote Monitor
• Call alert
• Records for 200 hours
• Low power voice/icon prompt
• Prompt tone on/off
• Remote monitor
• Support voice prompt for channel switching or function-option
• Two programmable buttons for long pressing are available on the side
• Waterproof: IP 67
Features
1.True-2-slot
2. Support both digital and analog modes.
3. To adopt the TFT color display, convenient operation.
4. Be with TFT color display interface and visible icon display.
5. Support up to 4000 channels.
6. Support to modify and set the frequency via keypad.
7. Using 3000mAh polymer lithium battery.
8.Support both digital and analogue modes, fantastic digital operation, and secure the smooth transition from analogue to digital, and improve the radio utilization
| Specification | ||
| Model | DR-2020Plus DMR Digital Walkie talkie | |
| Items | UHF | VHF |
| FrequencyRange | 400-480MHZ | 136-174MHZ |
| Channel Zone | 16 | |
| Total Channel Capacity (512) | 4000 (250 Channels/Zone) | |
| Antenna Impedance | 50Ω | |
| Dimension (H x W x D) | 125 x 60 x39 mm | |
| Weight (W/Battery) | 317G | |
| Li-polBattery | 3000mAh | |
| Rated Voltage | DC: 7.4V | |
| Battery life: The average battery life under5/5/90duty cycle, and using carrier squelch and TX high power. 3000mAh Li-pol battery: Analog: 15 hours / Digital: 23hours | ||
| Receiver UHF VHF | ||
| Frequency | 400-480MHZ | 136-174MHZ |
| Channel Spacing | 12.5kHz /25kHZ | |
| Frequency Stability (-20℃,+60℃,+25℃) | + / - 1.5ppm | |
| Analog Sensitivity (12 dB SINAD) | 0.3uV / 0.25uV | |
| Digital Sensitivity (5% BER) | 0.25uV / 0.20uV | |
| Intermediation | 65dB | |
| Adjacent Channel Selectivity | 60dB@12.5kHz / 65dB@25kHz | |
| Spurious Rejection | 65dB | |
| Rated Audio | 500mw | |
| Audio Distortion @Rated Audio | 3% | |
| FM Hum & Noise | -40dB @12.5kHz / -45dB @25kHz | |
| Audio Response | +1,-3dB | |
| Conducted /Radiated Emission | -57dBm | |
| Transmitter | |||
| Frequency | 400-480MHZ; | 136-174MHZ; | |
| Channel Spacing | 12.5kHz /25kHZ | ||
| Frequency Stability (-20℃,+60℃,+25℃) | + / - 1.5ppm | ||
| Low Power | 1W | 2W | |
| High Power | 4.5W | 5W | |
| Modulation Restriction | ±2.5kHz@12.5kHz /±5kHz@25kHz | ||
| FM Hum & Noise | -40dB @12.5kHz / -45dB @25kHz | ||
| Conducted /Radiated Emission | -36dBm＜1GHz / -30dBm＞1GHz | ||
| Adjacent Channel Selectivity | -60dB@12.5kHz / -65dB@25kHz | ||
| Audio Response | +1,-3dB | ||
| Audio Distortion | 3% | ||
| FM Modulation | 12.5kHz: 11K0F3E 25kHz: 16K0F3E | ||
| 4FSK Digital Modulation | 12.5kHz Data: 7K60F1D & 7K60FXD 12.5kHz Audio: 7K60F1E & 7K60FXE 12.5kHz Data & Audio: 7K60F1W | ||
| Digital Vocoder | AMBE+2 ™ | ||
| Digital Agreement | ETSI-TS102 361-1, -2, -3 | ||
| GPS(Optional) | |
| Precisely and standard designed for a long-term positioning( 95% value＞could find 5 satellites @ rated -130dBm signal strength | |
| TTFF (time to first fix) cold start | ＜ 1 min |
| TTFF (time to first fix) warm start | ＜ 10 s |
| Horizontal Position Accuracy | ＜ 10 ms |
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