Easy LPFM Radio Licensing
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TSL 910
RSL 900
Composite Aural STL System


  • Zero to twelve watts output power, front panel adjustable
  • Externally programmable in 25 Khz steps
  • 3 SCA inputs
  • RF monitoring BNC in the transmitter’s front panel
  • IF monitoring in the receiver’s front panel
  • All functions via LCD password protected
  • Meets or exceeds all FCC and CCIR requirements
  • Remote control software for monitoring (optional)

TSL 910 Specifications

  • Frequency Ranges: 940 to 960 MHz – 200 to 240 MHz – 300 to 330 MHz
  • Frequency stability : better than 5 ppm, 0 to 50 C (32 to 122 F)
  • Emission Class: F3E
  • Output Impedance & Connector: Type N” 50 Ohms
  • Harmonic Frequencies Level (ref. to carrier): < -65 dB
  • Spurious Frequencies Level (ref. to carrier): < -80 dB
  • Input Impedance: 600 ohms or greater
  • Input Level: -6 dBm to +10 dBm nominal for ± 75 Khz deviation adj.
  • Mono Input ( with pre-emphasis) XLR Connector:

pre-emphasis 50/75μs selectable
bandwidth 30Hz – 15 KHz
attenuation at 19 KHz 40 dB or greater
deviation from pre-emphasis curve ± 0.4 dB

  • Stereo Input : BNC Connector Adj. from –3 dB to + 10 dB
  • Asyncronous AN S/N Ratio : 70 dB below ref.carrier with 100% AM Modulation, 75 usec. De-emphasis
  • Syncronous AM S/N Ratio: 65 dB below ref. Carrier with 100% AM modulation (FM modulation ± 75 Khz)
  • Distortion (THD): 75kHz < 0.04% dev
  • S/N Ratio (ref. to 50 kHz / 1000 Hz): Mono > 70 dB : Stereo > 65 dB
  • SCA inputs, BNC Connectors: 3 inputs(1.5 V p-p)
  • Power Supply operating voltage : 100 –240 V direct input , power consumption 50 / 70 VA

battery powered (optional) 24 Vdc, 3A

  • Operating Conditions cooling 12Vdc fan
  • operating temperature 0° to +50°C (32° to +122°F) relative humidity 95% max.
  • Dimensions: 

weight 10 Lbs / 4.5 kg
width 19” / 483mm
height 1.74” / 44mm
depth 18” / 457mm

RSL 900 Specifications

  • Frequency Ranges: 940 to 960 MHz 200 to 240 MHz – 300 to 330 MHz
  • Input Impedance & Connector: 50 ohm type ‘N’ female
  • Audio Frequency Output: 0 dBm at 600 ohms ±6dB adj.
  • IF Output: 0dBm at 10.7MHz / 50 ohms
  • Audio Outputs : 2 BNC, MPX connectors ; 1 XLR mono; 3 BNC SCA
  • De-emphasis: 50 / 75μs
  • Input Voltage Range: 5μV – 30mV rms
  • Image Rejection: >65dB
  • Distortion (THD): < 0.3% (typ 0.2)
  • Frequency Linearity (15Hz – 100 kHz): ±0.4dB
  • Signal to Noise Ratio: >70dB
  • Selectivity: -40dB at ±500KHz
  • Sensitivity: 

– 5 uV for S/N > 30dB S/N
-15uV for S/N > 40dB S/N
-50uV for S/N > 55dB S/N
-150uV fo S/N > 60dB S/N
-1500uV for S/N > 70dB S/N

  • Power Supply operating voltage 110/220 ±20% Vac
  • power consumption 30 VA
  • battery powered (optional) 12-15Vdc, 1.8 A
  • Operating Conditions:
  • operating temperature 0° to +50°C (32° to +122°F) relative humidity 95% max.
  • Dimensions:

weight 10 Lbs / 4.5 kg
width 19” / 483mm
height 1.74” / 44b mm
depth 18” / 457mm


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