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KT-7900D
QYT
We offer comprehensive customized services for the KT-7900D mobile radio. Customizable options include printed brand LOGO, outer packaging boxes, antenna frequency parameters, power cord design, shell appearance and other hardware specifications. We can also adjust partial internal circuit structures and optimize quad band & quad standby function parameters according to your demands.


The Analog Mobile Ham Radio Base Station Kit from QYT KT-7900D. Upgraded version of KT-8900D.
The QYT KT-7900D offers up to 25 watts VHF and 20 watts UHF operation in High output mode. It features 200 Channels, with CTCSS and DSC, channels scan, DTMF technology and exteral speaker/PTT. It includes Lone worker mode, an emergency alarm and VOX capability.
Excellent performance in outdoor sports, property management, taxi deployment, construction sites, self-driving, military cooperation, firefighting deployment industry.
The KT-7900D has an LCD display, programmable function keys on the console, a hand microphone with programmable keys, a built-in LEDs and a DTMF keypad.
The QYT KT-7900D has outstanding performance in the outdoor sports, property management, taxi deployment, construction sites, self-driving, military cooperation and firefighting deployment field.
The QYT KT-7900D is also repeater capable and compatible with all brand analog walkie talkie and mobile ham radios.
Power cable besides the standard cigarette lighter power supply, we also have the Adapter which use household electricity consumption input voltage of 220-240V AC/DC and an output voltage of 13.8V DC±15%.
USB Programming Cable to connects your QYT radios to your computer and software to programming your radio!
| Core Features | |
|---|---|
| No. | Feature |
| 1 | Quad Band Operation |
| 2 | Quad-Standby Function |
| 3 | External Speaker / PTT Port |
| 4 | Mini Color Screen Design |
| 5 | Mini Size Body |
| 6 | PC Program Support |
| 7 | DTMF, 2 Tone, 5 Tone Signaling |
| 8 | Remote Stun, Remote Activate, Remote Kill |
| 9 | Scrambler (Optional) |
| General Specification | |
|---|---|
| Item | Specification |
| Frequency range | VHF: 136–174MHz, 220–270MHz / UHF: 350–390MHz, 400–480MHz |
| Number Of Channels | 200 |
| Channel Spacing | 25KHz, 20KHz, 12.5KHz |
| Channel Step | 5KHz, 6.25KHz, 10KHz, 12.5KHz, 15KHz, 25KHz |
| Working Voltage | 13.8V DC ±15% |
| Squelch Way | CTCSS / DCS / 5Tone / 2Tone / DTMF |
| Frequency Stability | ±2.5ppm |
| Operate Temperature | -20 ~ +60℃ |
| Dimension | 98(W) × 43(H) × 126(D)mm |
| Weight | About 448g |
| Receive Part (ETSI EN 300 086 Standardized Test) | ||
| Item | Wide band | Narrow band |
| Sensitivity (12dB SINAD) | ≤0.25 μV | ≤0.35 μV |
| Adjacent Channel Selectivity | ≥70 dB | ≥60 dB |
| Intermodulation | ≥65 dB | ≥60 dB |
| Spurious Rejection | ≥70 dB | ≥70 dB |
| Audio Response | +1 ~ -3dB (0.3–3KHz) | +1 ~ -3dB (0.3–2.55KHz) |
| Hum & Noise | ≥45 dB | ≥40 dB |
| Audio Distortion | ≤5% | — |
| Audio Output Power | ≥2W±10% | — |
| Transmit Part (ETSI EN 300 086 Standardized Test) | ||
| Item | Wide band | Narrow band |
| Output Power | 25W (VHF) | 20W (UHF) |
| Modulation Mode | 16KΦF3E | 11KΦF3E |
| Adjacent Channel Selectivity | ≥70 dB | ≥60 dB |
| Hum & Noise | ≥40 dB | ≥36 dB |
| Spurious Emission | ≥60 dB | ≥60 dB |
| Audio Response | +1 ~ -3 dB (0.3 ~ 3 kHz) | +1 ~ -3 dB (0.3 ~ 2.55 kHz) |
| Audio Distortion | ≤5% | — |
QYT Electronics Co., Ltd. (QYT) was one of the earliest professional two-way radio and accessories manufacturers in China, and now one of the top mobile radio providers as well. QYT is headquartered in Quanzhou, Fujian, China. We are mainly responsible for the company's related product hardware development, production, sales and engineering services. Our company also provides customized services as well as personalized, differentiated products (OEM/ODM).