The Enable Switch on Signal Jammer Module is not a very common feature. When you purchase RF amplifiers on Alibaba or Made-in-China, most modules typically only have the DC 28V positive and ground power lines, without the Enable Switch function. So, what exactly is the Enable Switch? What does it do? Is it essential to use this feature?

What is the Enable Switch?

The Enable Switch on our modules is typically a pin on the interface or a separate Feedthrough Capacitor. It is a switch controlled by a small current, usually with a rated voltage of DC 3.3V–5V. It is used to individually control the switching of the VCO and transistors in the circuit.

Different modules have different enabling interfaces

Benefits of Using the Enable Switch on a Signal Jammer Module

1. Step-by-Step Activation of Monitoring and Amplification Functions

RF modules with an Enable Switch first enter "standby mode" when powered by DC 28V. The VCO and transistors will remain off until the Enable Switch receives 5V power, at which point they activate and generate the jamming signal. During standby, all components on the circuit board except for the VCO and transistors remain powered and functional. This allows for data transfer through interface pins, enabling monitoring of the module’s serial number, switch status, and operating temperature in the software.

2. More Flexible, Safe, and Efficient Jammer Design

To control each RF channel separately in a signal jammer, relays are often needed. If the RF amplifier module lacks an Enable Switch, each module requires a relay capable of handling over 20A of current—typically a plug-in relay since you can only control the modules with the 28V voltage. This consumes valuable internal space in the jammer.

With the Enable Switch, the jammer only needs a circuit board-style relay, which allows control of dozens of modules with a small current, saving space and enhancing safety by reducing the current flow.

Topological comparison of different assembly methods with or without module enable switch

3. Prevent Accidental Activation of the Jamming Signal

The Enable Switch acts as a secondary confirmation mechanism, preventing jamming signals from being unintentionally activated by operators. This helps avoid unnecessary interference in the surrounding electromagnetic environment.

Is the Use of the Enable Switch on RF Amplifier Modules Necessary?

It depends on the situation, If you are designing a jammer with quick deployment and simple operation, with only a few channels, you may not need an Enable Switch. In such cases, directly controlling the channels with DC 28V might be a more suitable method, you can power on or off all modules with one click through the wired terminal.

Conclusion: Whether to Use the Enable Switch on a Signal Jammer Module Depends on the Jammer’s Design Purpose

Based on Zorelock’s experience, for portable jammers and vehicle-mounted jammers that emphasize quick deployment and response, the Enable Switch is not essential. However, for stationary drone jammers that are installed for long periods and require data recording, the Enable Switch provides significant value. Ultimately, whether to install an Enable Switch on an RF amplifier module depends on the design objectives of your jammer product. To match your design approach, we can even adjust the Enable Switch activation voltage to DC 28V.

Zorelock is a manufacturer with an engineering-driven culture. If you have any technical questions in the process of purchasing signal jammer module, don’t hesitate to contact our sales team. Our sales colleagues will work with engineers to solve your problems.