All the Telecrane Italia radio remote controls can operate at a distance of about 100 meters. Silver Top model can reach a superior distance..
This working distance can change according to many factors.
In case of need, an external additional antenna can be installed in mostly all the receiver units for optimizing data transmission. This antennas can be easily installed plugging a cable provided in kit.
Two specific models are available:
- passive antenna
- magnetic antenna
![Passive antenna](https://www.telecrane.it/wp-content/uploads/2015/01/antenna-p.jpg)
1- Passive antenna
![Magnetic antenna](https://www.telecrane.it/wp-content/uploads/2015/01/antenna-m.jpg)
2- Magnetic antenna