Rolls HR70 FM Broadcast Transmitter

The Rolls HR70 is an outstanding digital - display analog FM transmitter. It offers a super - easy way to broadcast signals over FM. Just apply a signal to the XLR or RCA inputs of the HR70, select your desired broadcast frequency, and if the antenna is properly connected, you're all set to send signals via FM radio. This transmitter comes with a built - in talk - over circuit. Even though it's a micropower RF transmitter that doesn't need an FCC licence, following good RF practices is essential for proper operation. Grounding it is key for optimal performance, like 'pushing' the signal against the earth. The range can vary greatly depending on grounding, building obstructions, etc. Some users have reported ranges up to 125. You might need to do a bit of experimenting at your location to find the best installation for your situation. It comes with an antenna, and has an RP - SMA antenna jack. The design is clean and simple, with an all - metal chassis. Also included is a DC power supply. Key Features: Simple FM signal broadcasting; Antenna included; RP - SMA antenna jack; Clean and simple design; All - metal chassis; DC power supply included. 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

Using the Rolls HR70 FM Broadcast Transmitter is a breeze. First, connect the antenna to the RP - SMA antenna jack. Then, you can apply a signal to either the XLR or RCA inputs. Next, select the frequency you want to broadcast on. Make sure the antenna is properly connected, and you'll start sending signals via FM radio. One important thing to note is grounding. For the transmitter to work at its best, you need to ground it. The range can vary due to factors like grounding and nearby buildings. You may need to test different setups at your place to find the best one. When it comes to maintenance, keep the all - metal chassis clean. Since it comes with a DC power supply, make sure to check the power cord regularly for any signs of damage. If you're using the talk - over circuit, just follow the normal signal - input process and you're good to go.