- Long Range Handheld Ham Radio
- Dual Band and Dual Standby
- Support CHIRP Programming
Description
Retevis RA685 5W Dual Band Long Range Handheld Ham Radio
Retevis RA685 is a 5W Dual Band Long Range Handheld Ham Radio. With 128 channels, you have plenty of options to communicate with others. It boasts a long battery life, ensuring extended usage without the need for frequent recharging. If you go out hiking, camping, or as your first ham radio, it will be a good choice.
Main Features:
1. Long Range Two Way Radio: Equipped with 5W high-power and a high-antenna, RA685 analog ham radio has impressive communication distance.
2. Dual Band Walkie Talkie: RA85 portable radio suopports VHF or UHF bands to suit different places. UHF is good for crowded areas and VHF works great in open areas.
3. Long Battery Life: 1800mAh lithium battery provides 14 hours of continuous use. USB-C charging base allows you to charge directly by power bank; computer, etc.
4. Secure Communication: 50 CTCSS and 104 DCS can provide secure calls and reduce unnecessary calls from other stations
5. Emergency Alarm: RA685 supports local and remote alarms to help you get help in time when you are in danger.
6. Frequency Measurement/Frequency Seeking: It can help you quickly seek and store the frequency currently used by another radios.
FAQ on Retevis RA685 Long Range Handheld Ham Radio
Question 1: What's the range of Retevis RA685?
Answer 1: Generally speaking, the range of the Retevis RA685 long range ham radio is about 1 to 3 miles out of the box. But this range is just for reference, because of the actual range will be affected by terrain, obstacles, weather, etc.
Question 2: Is RA685 supported on CHIRP?
Answer 2: Yes, beside the PC software, RA685 can also be set on the CHIRP to edit frequencies and settings. Don't forget to buy a programming cable (C9055A) before programming your RA685 handheld ham radio.
Question 3: Does the RA685 have FM functionality?
Answer 3: RA685 amateur radio has a built-in FM radio receiver, receiving 65-108MHz. FM broadcast is the best way to get updates about what is going on nearby.
Question 4: How to compare Retevis RA685 and RT85?
Answer 4: Both RA685 and RT85 are dual band ham radios; however, RT85 has 200 memory channels, which is more than RA685‘s 128 memory channels. The battery capacity of the RA685 2-way radio is 1800mAh which is much bigger than the RT85's 1400mAh battery. And the RA685 walkie-talkie supports Type-C charging, but the RT85 does not.
Spec
| Total Speicfication | Frequency range | 144-146MHZ (RX/TX) & 430-440MHZ (RX/TX) | |
| Channel number | 128 | ||
| Channel spacing | 25/12.5kHz | ||
| Input voltage | 7.4 VDC | ||
| Battery (standard configuration) | 1800mAH(Li-Ion) | ||
| Battery Life(5-5-90, high power transmission) | About 14 Hours | ||
| Current | Standby | ≤65mA | |
| Receive | ≤450 mA | ||
| Transmit | ≤1.8 A at power; 850 mA at low power | ||
| Frequency stability | ±2.5ppm | ||
| Operating temperature | -20℃ to +60℃ | ||
| Antenna impedance | 50Ω | ||
| Walkie-talkie size (With battery, but without antenna) | 121x61x33mm | ||
| Walkie-talkie weight (Including antenna and battery) | 223g | ||
| Tramsmitting | Transmit output power | 5W/3W/1W | |
| Modulation | 16K0F3E@25KHz, 11K0F3E@12.5KHz | ||
| Spurious emission | -36dBm＜1GHz, -30dBm＞1GHz | ||
| FM signal-to-noise ratio | 45dB@25KHz, 40dB @12.5KHz | ||
| Audio distortion | ≤5% | ||
| Modulation limit | ±5.0 KHz@25 KHz, ±2.5 KHz@12.5 KHz | ||
| Adjacent channel power | 70dB @ 25KHz, 60dB @ 12.5KHz | ||
| (300-3000Hz) Audio response | +1~3dB | ||
| Receiving | Receiving sensitivity | 0.25μV (12dB SINAD) | |
| Adjacent channel selectivity | ≥60dB@25KHz ,≥55dB@12.5KHz | ||
| Intermodulation immunity | ≥60dB@25KHz , ≥55dB@12.5KHz | ||
| Conducted spurious emissions | ≤-57dB@25KHz, ≤-57dB @12.5KHz | ||
| FM signal-to-noise ratio | ≥45dB@25KHz, ≥40dB @12.5KHz | ||
| Audio output power | 1W @16ohms | ||
| Audio distortion | ≤5% | ||
| Audio response(300-3000Hz) | +1～-3dB | ||
Features
1. Frequency Range: 144-146 MHZ (RX/TX), 430-440 MHZ (RX/TX);
2. Dual Band, Dual Display, Dual Standby;
3. High, middle, and low power switching to meet the power requirements of users;
4. Up to 128 memory channels for programming frequency and other various data;
5. Multiple display modes such as channel number, frequency, channel name, etc.
6. CTCSS/DCS, DTMF signalling, rejecting redundant calls from other stations;
7. The tail tone is eliminated to avoid the impact noise from the speaker after the call is over;
8. VOX voice-activated transmission; no need to press the PTT button to talk normally;
9. Emergency alarm, ANI identification and other functions through DTMF;
10. DTMF, CTCSS (60.0 -259.9HZ), DCS signalling code function;
11. 8-step frequency selection (2.5K, 5.0K, 6.25K, 10.0K, 12.5K, 20.0K, 25.0K, 50.0K);
12. Automatic power-saving function to extend battery life;
13. SOS emergency alert function;
14. Wide/narrowband (25KHz/12.5KHz) selection function;
15. Digital FM radio (receiving 65-108 MHz)
16. Bulit-in Flashlight
17. With the direct selection of keyboard numbers for menu items, transmit and receive frequency can be manually input;
18. Special CTCSS/DCS (frequency hopping function).
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- Free shipping across all products on a minimum purchase of $50.
- International delivery time - 7-10 business days
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