uniBell UBT300F Transmitter User Manual
- June 6, 2024
- uniBell
Table of Contents
uniBell UBT300F Transmitter User Manual
Description of Transmitter
When the button in the middle of transmitter is pressed, transmit a RF signal, was generated by MCU inside RF IC, through a circuitry of matching and a PCB antenna to a Receiver.
Transmitter Specifications
- Frequency Range: 433MHz (433.42Mhz)
- Modulation: FSK
- Power Supply: DC3V Coin Cell Battery
How to use and usage
The button in center of transmitter is pressed, a LED turns on and the RF signal is transmitted to the receiver, and the number of the transmitter is displayed on the receiver.
The wireless paging system consists of a number of transmitters and a receiver. When you need help, you press the bell, and it is a system that tell them your location and receives service. It is mainly used in restaurants and is used in hospitals, government offices, large markets, and industries.
FCC Statement
- A: Rule 15.19 (a): This complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
- B. Rule Part 15.21: The users manual or instruction manual for an intentional or unintentional radiator shall caution the user that changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.