RS-CM300W/350W Radio Station System - RS-CM FM TRANSMITTER

RS-CM300W/350W Radio Station System

RS-CM300W series is a profesional FM stereo/Mono broadcasting transmitter. The advanced digital technologies,Digital Signal Processor(DSP), are used in the transmitters to get little size , high performance and high reliability. They are widely used for professional radio stations to transmit high quality FM radio programs. 

More than that, the RS-CM300W FM transmitter is now gradually showing its high-quality characteristics to the world, especially in the radio station equipment market.

FEATURES:

• Touch Screen without buttons make setting more easily.

• This is the RS-CM300Wproduct,All-digital technologies DSP+PLL, better sound quality.

• Upgrade frequency step to 10Khz.

• You can set the automatic startup and shutdown time

• Exquisite craftsmanship，Standard 19 inches, 2U whole aluminium alloy cabinet. Wiredrawing and oxidation makes surface bright, clean and elegant.

• Big LCD display all the parameters in real time. displays working frequency, volume, FETMOS temperature, forward power and SWR.

• Provided with the series of protection function, own active protection and raise alarm prompts once meet any trouble while working.

• Accurate operating index and perfect protection measures make you are more aware of the operating status of your machine.

• Easily installation and simply operations.

• High quality and excellent technical performances. AGC circuit to keep the Output Power stability.

• Each machine has been examined strictly by a series of quality inspection and function test to guarantee best operating function.

Technical specifications

1.Frequency Range：87.50MHz～108MHz,step 10KHz

2..Output Power：0~300W continuously adjustable

3.Carrier Frequency precision：±200Hz

4.Output power tolerance ±1dB

5.Output impedance 50Ω

6.RF output connector 7/16”

7.Residual wave radiation < -70dB

8.Parasitic amplitude modulation noise < -50dB

9.Pilot frequency deviation ±0.1Hz

10.38KHz residual component in the S signal < -50dB

11.Audio pre-emphasis 0μs/25μs/ 50μs/75μs optional

12.Signal-to-noise ratio ≥92dB (1kHz, 100% modulation)

13.Stereo separation ≥73dB (L → R, R → L)

14.Distortion ≤0.01% (30Hz ~ 15000Hz, 100% modulation)

15.Frequency response ±0.01dB (no emphasis, no de-emphasis)

16.Left and right channel level difference ≤0.01dB (100% modulation)

17.Power supply voltage 100VAC~265VAC/ 47Hz~63Hz

18.Operating environment temperature -10 ° C ~ +45 ° C

19.Size：2U (width 18in × height 3.5in × depth 18.9in)

20.Weight：13Kg (including packaging)

Dipole Antenna：   

Electrical specification:

• Frequency Range: 87.5Mhz-108Mhz

• Impedance:50ohm

• Connector:NK

• VSWR:<1.35:1 MAX

• Polarization:Vertical

• Dimensions:1400*900*50mm

• Weight:4kg with hardware mounting

• Gain:2.0dB * Max handle power:2KW

One 30m feeder cable

• 1/2" 30meters feeder cable