Radio doorbell EMOS P5730, wireless 433 MHz, 90 dB, max range 180 m, black

The EMOS P5730 radio doorbell is a wireless 433 MHz alert system designed for residential and small office entrances. The kit combines a battery-powered transmitter in a compact black housing with a plug-in receiver that can also be wall-mounted. With a maximum wireless range up to 180 m in open space and a receiver volume of up to 90 dB, this doorbell offers audible notification where a clear and reliable wireless connection is needed.

Advantages

The EMOS P5730 uses the 433 MHz band to provide stable short-range communication and a maximum effective range up to 180 m in open conditions. The receiver delivers sound up to 90 dB for audible alerts even in moderately noisy environments. The transmitter’s compact black design is unobtrusive and suitable for a variety of door frames and entry points. Installation is straightforward: the transmitter is battery-powered for flexible placement while the receiver plugs into a mains socket and can be attached to the wall if required.

Suitable for

• Home entrances and apartment doors
• Small offices and reception areas
• Garages, workshops, and backyard gates
• Temporary installations where quick, wireless alerting is needed

Key specifications

• Operating frequency: 433 MHz
• Maximum wireless range: up to 180 m (open space)
• Receiver sound level: up to 90 dB
• Transmitter power source: battery operated
• Receiver power options: plug-in to mains and wall-mountable
• Housing color: black

How to use

Mount the transmitter near the door at a convenient height and insert the specified battery type. Plug the receiver into a nearby mains socket in the area where the alert should be heard; use the wall-mount option if a fixed position is preferred. Test the system by pressing the transmitter button to confirm the receiver chirps at the selected volume and within the expected range. If necessary, adjust the placement of transmitter and receiver to improve signal strength and audibility.

Usage recommendations

For optimal performance, place the receiver in an unobstructed area and avoid metal objects or large concrete structures between transmitter and receiver. Replace transmitter batteries at regular intervals and check the receiver connection to the mains to maintain consistent operation. Use the wall-mount option to secure the receiver in a permanent position for reliable door alerting.