Rolls HR70 FM Broadcast Transmitter

Rolls HR70 FM Broadcast Transmitter

The HR70 is a digital display analog FM transmitter. Apply asignal to the XLR or RCA inputs of the HR70. Select what frequency you wouldlike to broadcast those signals on and you are now sending signals via FMradio, assuming the antenna is connected properly. The HR70 also has a talkover circuit built in. Even though the HR70 is a micropower RF transmitter andrequires no FCC licence, for it to function properly, good RF practices stillapply. For any transmitter to operate at its best, it must be earth grounded.You can think if it as “pushing” the signal against the earth. Range can varywidely, depending on grounding, obstructing building/walls, etc. We have hadpeople report ranges up to 125. Some experimenting may be required at yourvenue to find the optimum installation for your situation. Antenna included.

Key Features

• Simple way to broadcast signals over FM
• Antenna included
• Antenna Jack: RP-SMA
• Clean simple design
• All metal chassis
• Included DC power supply

Technical Specifications

Frequency Response
20 Hz – 12.5 kHz
Antenna Impedance
50 ohm
Power
12 – 15 VDC 500mA 5 x 1.2 mm DC Jack
Input Impedance
100K Unbalanced, 600 Balanced
Indicators
Power LED and Clip LED
Input/Output jacks
XLR balanced INPUT RCA unbalanced input and output
Dimensions
6.75”w x 4.25”d x 1.6”h