300w FM Transmitter and MS broadcasting assemble kit professional invent

Package Yes
Brand Name MS Broadcast
Model Number MS300w
Frequency range 87.5-108 MHz, 10 KHz/Step
Modulation FM, ±75 KHz peak deviation
RF output power 0 to 300W ±0.5 dB
Frequency stability <±100 Hz
RF Output Impedance 50 ohm
Distortion <0.05% THD @± 75 KHz dev
Frequency Response 50--15000Hz
is_customized Yes

300W/350W FM transmitter assemble/Invent, with circularly polarlized antenna and Transmitter Invent :

Features:

-Frequency range: 87.5-108 MHz, 10 KHz/Step
-Modulation: FM, ±75 KHz peak deviation
-Frequency stability: <±100 Hz
-RF output power: 0 to 300W ±0.5 dB
-Max reflected power: 5 W
-Harmonic suppression: <-65 dBC
-RF output impedance: 50 Ω
-RF output connector: N type -female
-Audio/MPX input level: -10 to +13 dBm @±75 KHz deviation
-Audio/MPX input impedance: 10 KΩ / 600 Ω, Balanced / unbalanced
-Audio input connector: XLR-female
-AUX / MPX input level: -10 to +13 dBm @±75 KHz deviation
-AUX channel input impedance: 10 KΩ
-MPX and AUX input connector: BNC-female
-Pre-emphasis: 0 / 50 / 75 us
-S/N ratio Mono: >73 dB (20 to 20 KHz)
-S/N ratio Stereo: >68 dB (20 to 15 KHz)
-Distortion: <0.05% THD @± 75 KHz dev.
<0.2% THD @± 150 KHz dev. (limiter threshold > 150 KHz)
-Stereo crosstalk: >60 dB (100 to 5 KHz)
>50 dB (20 to 15 KHz) int. MPX encoder
>60 dB with ext. MPX encoder
-Audio channel frequency response: 20 to 15 KHz ± 0.15 dB
-MPX input frequency response: 10 to 100 KHz ± 0.15 dB
-AUX input frequency response: 10 to 100 KHz ± 0.15 dB
-Mains power supply requirements: 90~264VAC; 127~370VDC, Full range universal input
-Operating temperature range: -10 to 45 C
-Weight: 10 Kg

General features:
- Professional stereo sound with excellent separation
- Standard 19″ 2H rack, clean design and high quality manufacturing
- Low distortion and good Signal/Noise ratio
- Modular construction, internal boards can be replaced one by one
- Built-in CPU system for controlling and monitoring
- Advanced TEMP protection – SWR protection
- In our opinion the best quality/price ratio possible

Antenna: 88 -108 MHz continue adjustable for 300W FM Transmitter

The ELECTRICAL SPECIFICATIONS
Frequency Range: 88~108 MHz (According to the scale adjustment)
Impedance: 50
VSWR: <1.5
Gain: Single Bay -3dBd
Polarization: Circular
Lighting Protection: Direct Ground
Maximum Power Input-watts : 300 W   Max 500W MECHANICAL SPECIFICATIONS
Length:   950 mm
Coaxial Cable: SYV-50-7
Termination:    SL16-J