RETEVIS RT78 App supported Bluetooth Dual Band walkie talkies long distance
Full function mobile app operation, no need for professional frequency writing
Mobile app real time positioning
Fast automatic team building
No need to insert card, free forever, and can also realize the function of public interphone
Description:
- Frequency range: UHF 400-470MHZ
- Channel number: 16*N group（N≧ 1)
- RF power:≤4w
- Channel space:25khz(wideband) 12.5khz(narrowband)
- Support network: 2G, 3G, 4G, 5G, WiFi, CDMA, GSM, etc.
- Supply voltage: 3.7 V lithium battery
- Battery capacity: 5200 mAh
- Charging interface: USB
- Mode of operation: full-featured APP operation
- FM radio: FM 88-108MHz
- Frequency stability: ±2.5ppm
- Working temperature: -20 ~ +60 ° C
- Dimensions: 58 (W) x 125 (H) x 35 (D) mm (without antenna)
- Weight: body 140g battery 120g
Electrical properties:
| Wideband | Narrowband | |
| Sensitivity（12DB SINAD) | ≤0.20μV | ≤0.22μV |
| Adjacent Channel Selectivity | ≥70db | ≥65db |
| intermodulation rejection | ≥65db | ≥60db |
| False signal response | ≥70db | ≥70db |
| Audio response | ±1～-3db(0.3～3khz) | ±1～-3db(0.3～2.55khz) |
| Signal to noise ratio | ≥45db | ≥40db |
Launch part
| broadband | narrowband | |
| output power |
≤4W |
|
| modulation mode | 16KφF3E | 11KφF3E |
| Adjacent channel selectivity | ≥70db | ≥60db |
| FM noise | ≥45db | ≥43db |
| Parasitic and harmonic | ≥60db | ≥60db |
| Audio response | ±1～-3db(0.3～3khz) | ±1～-3db(0.3～2.55khz) |
| Modulation distortion |
≤3% |
|
Retevis RT78 App supported Bluetooth Dual Band Handheld Radio
Features:
- Full function mobile app operation
- Full function mobile app operation, no need for professional frequency writing
- IP67 waterproof
- Mobile app real time positioning
- Network relay function
- Fast automatic team building
- No need to insert card, free forever, and can also realize the function of public interphone
