RECEIVERS: THE DIFFERENT TECHNOLOGIES

What is a radio receiver?

An automation radio receiver is a device designed to receive radio-frequency signals. These receivers are used in various automatic systems to receive remote commands, such as remote controls for gates, home automation systems, and so on. They pick up the radio signals emitted by the corresponding transmitters and transform them into physical actions or electrical commands.

These actions can, for example, open an automatic gate in the residential sector, an overhead door, metal curtains or various industrial doors.

Focus on radio frequencies

The radio can use different frequencies between transmitter and receiver. In France, 433Mhz and 868Mhz are the main frequencies used for this type of application. Some countries prohibit the use of certain frequencies. For example, 868Mhz is banned in the USA, as it is too close to the frequency used by the military.

However, there are other frequency bands commonly used in various applications. For example, the 2.4GHz band is also popular for wireless communications, such as Wi-Fi and Bluetooth. Each band has its own characteristics in terms of range, obstacle penetration and susceptibility to interference.

The radio range between a transmitter and a receiver is generally between 50m and 100m. On the other hand, the effective range between a transmitter and receiver can vary depending on several factors, including obstacles (such as walls or buildings), transmitter power, receiver sensitivity, and environmental conditions. Materials such as concrete or metal can considerably reduce the effective range.

GSM and Bluetooth receivers: comparing these technologies

In theautomation sector, particularly for automatic doors and gates, GSM and Bluetooth technologies offer distinct solutions for communication and remote control.

GSM, used mainly for long-range control systems, allows users to manage their gates via calls or text messages, which is particularly useful in installations where mobile network coverage is available.

GSM is also widely used by our installers for maintenance. The installer no longer has to travel to add, delete or manage users of the receiver.

Weak points to note: the network. The network is evolving rapidly (4G/5G), forcing manufacturers and installers to upgrade products and sites. Also, this type of receiver cannot be installed in environments with no GSM coverage, such as underground parking lots.

Bluetooth, on the other hand, is better suited to applications requiring short-range communication - around 25 m. It provides a fast, direct connection between control units and gates, offering a simple, effective solution for nearby users.

Focus on safety

In terms of security, GSM offers robust protection measures thanks to encryption protocols for mobile communications, while Bluetooth, with its recent versions, also incorporates advanced encrypted security mechanisms to protect against unauthorized access. The choice between these technologies will depend on specific requirements in terms of range, security and convenience for automatic door and gate control.

Prastel, your radio receiver manufacturer in La Ciotat (13)

Located in La Ciotat, Bouches-du-Rhône, Prastel is a renowned manufacturer of innovative products and services. Backed by solid experience in the sector, the company has established itself as a key player, offering reliable, high-performance solutions, particularly in the field of automation.

Radio transmitters and receivers are among Prastel's flagship products. We invite you to discover the MRS-GSM-4G, the M2000-BT and theUNIK2E230-BT.

These devices, developed in our design office, are crucial to the optimal operation of automatic doors and gates in residential and industrial environments, since they enable reliable wireless communication between the remote control and the motor.

Prastel continues to innovate in order to meet the ever-changing needs of the automatic gate market and satisfy its customers even more.

Would you like to find out more about our electronic systems for automation? Would you like to see our products? Feel free to browse our website and contact our team.

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