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KT-7900C
QYT
We offer comprehensive customized services for the KT-7900C 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 frequency hopping & auto networking function parameters according to your demands.


Auto frequency-hop per call: after every conversation, transmitter and receiver automatically re-sync to a new random channel generated by the chip — the next frequency cannot be predicted, greatly reducing the chance of being intercepted
Zero programming: no frequency entry, no channel pairing, no PC software — enable and talk
Voice scrambler (menu 54) for an extra layer of speech privacy when needed
Wireless channel clone: copy all programmed channels from one radio to another over the air — receiver holds the mic EXIT key while powering on, sender holds PTT while powering on, and valid data channels transfer automatically
Frequency analyzer: long-press "0" to scan the full band and quickly detect nearby radios' transmit frequency and CTCSS tone; press MENU to save the detected frequency and sub-tone
FSK signalling for code sending and receiving
Talk start / talk end alert tones (menus 51-52, individually switchable)
Air-band AM reception (add-on receive band): when tuned to the air band the radio automatically switches to AM mode with an AM icon on the status bar
Dual-frequency display: working and standby frequencies shown together on the color screen
Dual-watch reception: monitor two channels simultaneously
25W (VHF) / 20W (UHF) output power; 200 memory channels; mini color screen
Full signalling: CTCSS / DCS / 5-TONE / 2-TONE / DTMF; three scanner modes (Time / Carrier / Search)
Compact and light: 98 x 43 x 126 mm, only 448 g; 13.8V DC vehicle power; -20℃ to +60℃
| Specifications | |
| Item | Specification |
| Frequency range | VHF: 136-174MHz (220-260MHz) / UHF: 400-480MHz (350-390MHz) |
| Air band (RX only) | VHF AM air band reception, automatic AM mode |
| Memory channels | 200 |
| Output power | 25W / 20W (VHF/UHF) |
| Frequency stability | ±2.5 ppm |
| Frequency step | 2.5 / 5.0 / 6.25 / 10.0 / 12.5 / 25.0 kHz |
| Squelch | CARRIER / CTCSS / DCS / 5-TONE / 2-TONE / DTMF |
| Antenna impedance | 50 Ω |
| Operating temperature | -20℃ ~ +60℃ |
| Supply voltage | 13.8V DC ±15% |
| Dimensions | 98 (W) x 43 (H) x 126 (D) mm |
| Weight | 448 g |
| Receiver sensitivity | ≤0.25 uV (wide) / ≤0.35 uV (narrow) |
| Audio output power | ≥2W ±10% |
Mobile radio x 1, microphone x 1, mounting bracket x 1, power cable x 1, mounting screws & fuse x 1 set
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).