Phone:
+86-15928560945
The NGT-KX300 FM Transmitter is a high-performance 300W broadcasting solution with advanced modulation and amplification technology. Supporting FM, CDR, and DAB standards, it offers precise frequency and power control. With an intuitive LCD interface, efficient cooling, and a robust protection system, it ensures stable, high-quality transmission for FM broadcasting, emergency communication, and campus radio applications.
Wide Compatibility – Supports FM, CDR, and DAB standards with MONO, STEREO, MPX, AES/EBU, and SCA/RDS inputs.
Adjustable Frequency & Power – Software-controlled FM frequency band and power output for flexible broadcasting applications.
High-Efficiency Amplification – Uses Ampleon LDMOS technology, achieving over 40% efficiency under optimal RF conditions.
Advanced Protection System – Automatic alarms for overcurrent, overvoltage, undervoltage, overheating, overload, and VSWR issues.
Intuitive User Interface – ARM-based processor with LCD display for real-time monitoring and system control.
Efficient Cooling System – Integrated high-speed, low-noise axial flow fans for effective heat dissipation.
| L/R Input | |
| Physical interface | XLR female |
| Number | 2(1x R &1xL) |
| Impedance | 10k or 600Ω optional |
| Input level | -13 to +13dBu |
| MPX Input | |
| Physical interface | BNC female |
| Number | 1 |
| Impedance | 10k |
| Input level | -13 to +13 dBu |
| SCA/RDS Input | |
| Physical interface | BNCfemale |
| Number | 2 |
| Impedance | 2.2kΩ unbalanced |
| Subcarier level | -6 to +13dBu |
| AES/EBU Input | |
| Physical interface | XLR female |
| Number | 1 |
| Impedance | 110Ω balance |
| Input level | -15 to 0dBFS |
| RF Output | |
| Physical interface | 7/16" (L29) female |
| Number | 1 |
| Impedance | 50Ω |
| Frequency range | 87.5-108MHz |
| Rated output power | 54.7dBm (300W) |
| Modulation type | Mono, Stereo,Multiplex |
| Carrier Tolerance | ±100Hz |
| Residual Radiation | <-70 dB(L&R) |
| Parasitic AM Noise | <-50dB |
| Distortion | <0.5% |
| SNR | ≥85dB |
| Frequency Response | ±0.5dB (No emphasis,No de-emphasis) |
| Stereo Seperation | >50dB(30Hz~15kHz) |
| Level Difference | <0.05dB(L&R) |
| Pilot Frequency Offset | ±1Hz |
| Residual Component | <-60 dB@38KHz |
| Frequency Offset | MAX±75KHz |
| Pre-emphasis mode | 0/50/75uS |
| RF Monitor Output | |
| Physical interface | BNC female |
| Number | 1 |
| Impedance | 50Ω |
| Output Level | Approx. -50dB |
| Serial Interface | |
| Physical interface | DB-9M |
| Number | 1 |
| Interface standard | RS485 Half Duplex |
| Management | |
| Port | 10/100 Base-T Ethernet |
| Number | 1 |
| Physical interface | RJ45 |
| Protocol | Web/SNMP |
| Power | |
| Input voltage | AC220V±20%, 50Hz±10% |
| Power consumption | Max 750W |
| Environment | |
| Working temperature | -20℃~50℃ |
| Working humidity | 10-95%(non-condensing) |
| Atmospheric Pressure | 86kPa-106kPa |
| Physical | |
| Dimension (HxWxD) | 176×483×394 mm |
| Weight | ≤40Kg |
| Cooling | Forced, with internal fan |
