FM Broadcast Transmitter


Product Highlights

  • Tuning Range of 87.5 – 108 MHz 
  • Switchable Mic/Line level balanced input w/Phantom power 
  • Signal “Ducking” feature for Balanced input 
  • 4mW signal output 
Rentex No. RLSHR70T | Mfr No. HR70

The HR70 is an analog FM broadcast transmitter.  Can accept either a XLR (MIC/Line  Level) and/ or RCA (LINE Level) inputs for the HR70. Selectable frequency range (87.5 to 108 MHz) to broadcast within. The HR70 also has a talk over circuit built in, called “Ducking” allowing announcements to be heard over the broadcasted program without stopping it. The HR70 is a micro power RF transmitter and requires no FCC license. The transmitter includes a wire antenna that is set up for the middle of the band or about 92MHz. 

  • ROLHR7A : HR70 Antenna 
  • ROLHR7P: HR70 Power Supply 

Frequency Response: 20 Hz – 12.5 kHz 

Antenna Impedance: 50/75 ohm 

Input Impedance: 100KΩ Unbalanced, 600Ω Balanced 

Indicators: Power LED and Clip LED 

Input/Output jacks: XLR balanced INPUT RCA unbalanced input and output 

Power: 12 – 15 VDC 500mA 5 x 1.2 mm DC Jack – Center Negative 

Tuning Range: 87.5 – 108 MHz 

Max Power Output: 4mW 75 ohm 

Dimensions (W x D x H): 6.75” X 4.25” X 1.6”

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