RA685 Ham Two-way Radio Dual Band Long Range Radio 10pack
Dual-band Dual standby Ham radio
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RA685 Dual Band Long Range Handheld Ham Two-way Radio 10packs
Large LCD display
1.6 inch large screen, can clearly display the working status of the walkie-talkie.
Keyboard operation
Users can use the keyboard to set most functions in the menu, such as adjusting CTCSS/DCS, VOX/Squelch/Power saving level, etc
Frequency measurement
View the frequency of other devices at any time, and copy other radio’s frequency and improve the efficiency.
Support Chirp
With chirp you can easily set the wide and narrow bands; turn CTCSS DCS off or on; and name your favorite frequencies or channels.
Special Digital Mute Function
CTCSS/DCS,DTMF signaling code function reject unnecessary calls from other stations,CTCSS (60.0 -259.9 HZ)
FAQ on RA685 Dual Band Long Range Handheld Ham Two-way Radio:
QA1: Does it have FM radio?
Yes, it can receiving 65-108MHz.
QA2: Can RA685 be charged using Type-c?
Yes, it has two charging methods, cradle charging and Type-c charging.
QA3: Does RA685 have NOAA function?
RA685 does not have NOAA function, RA85 is a GMRS radio with NOAA function.
QA4: What kind of antenna is suitable for RA685?
It can use U\VHF dual band antenna and choose SMA-F connector antenna.
Spec
| TOTAL | Frequency Range | 144-146MHZ(RX/TX) 430-440MHZ(RX/TX) | |
| Channel No. | 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 @high power，850 mA @ low power | ||
| Frequency stability | ±2.5ppm | ||
| Operating temperature | -20℃ to +60℃ | ||
| Antenna impedance | 50Ω | ||
| Walkie-talkie size(With battery, but without antenna) | 121×61×33mm | ||
| Walkie-talkie weight(Including antenna and battery) | 223g | ||
| TRANMIT PART | 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 | ||
| RECEIVE PART | 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 | ||
Feature
1, Frequency range: 144-146MHZ(RX/TX) 430-440MHZ(RX/TX)
2. Dual band, Dual Display, Dual Standby
3. High, middle, and low power switching to meet the power requirements of users at different distances, more energy-saving and power-saving
4. Up to 128 memory channels for programming frequency and other various data
5. Multiple display modes such as channel number, frequency, channel frequency, channel name, etc.
6. CTCSS/DCS, DTMF signaling, reject 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 -259.9 HZ), DCS signaling codec 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. Computer programming function
15. Wide/narrow band (25KHz/12.5KHz) selection function
16. Digital FM radio (receiving 65-108MHz)
17. Direct selection of keyboard numbers for menu items, the transmit and receive frequency can be manually input
18. Special CTCSS/DCS (frequency hopping function)