The NHAD-309 is a powerful 10W handheld radio that supports both 4G PoC (Push-to-Talk over Cellular) and UHF DMR communication. It features a dual-mode UHF channel system, allowing manual switching between digital and analog modes. With nationwide coverage via cellular networks and compatibility with traditional UHF radios, the NHAD-309 is ideal for teams requiring versatile, long-distance communication across mixed platforms.
| Item | Value |
| Size | 140*65*40mm (not include antenna) |
| Frequency | 400–470MHz |
| Channels | 1024 (64 zones) |
| POC Mode | Bands: LTE-FDD B1/B3/B5/B8, LTE-TDD B34/B38/B39/B40/B41 (according to different countries) |
| Channel Space | 12.5kHz |
| Voltage | 7.4V |
| Battery Capacity | 2500 mAh Li-ion battery |
| Work Temperature | -30℃ ~ +60℃ |
| Antenna Impedance | 50 Ω |
| Audio Output | <1000mW @16 Ω |
| Transferring | |
| Item | Value |
| Output | 10W |
| Frequency Stability | +/- 1.0ppm |
| Adjacent Channel Power | ≤ -60dB |
| Noise | -40dB @12.5kHz |
| 4FSK DMR Mode | 12.5kHz (data only) 7K60FXD |
| 12.5kHz (data+voice) 7K60FXE | |
| Max Frequency Offset | 2.5kHz @12.5kHz |
| Nonactive Slot Power | -57dBm |
| Digital Protocol | ETSI TS 102 361 |
| Vocoder | AMBE++ |
| Audio Response | +1dB ~ -3dB |
| Spurious Radiation | Antenna: 9kHz–1GHz ≤ -36dBm |
| 1GHz–12.75GHz ≤ -30dBm | |
| Error Rate | ≤5% |
| Receiving | |
| Item | Value |
| Sensitivity | 0.25μV (BER≤5%) |
| Spurious Response | ≥70dB |
| Adjacent Channel Selection | ≤60dB @12.5kHz |
| Rated Audio Power | 1W |
| Audio Response | +1dB ~ -3dB |
| Audio Distortion | ≤5% |
| Intermodulation | ≤60dB |
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).
