RF attenuators are used in products to simulate long-distance communication capabilities. Attenuators can be divided into 50 ohm / 75 ohm dynamic range, 65dB / 100dB / 121dB / 145dB operating frequency range, number of channels, etc.... The attenuator can also be customized according to customer needs, for example: the attenuator and the RF switch are designed as one machine Attenuator control interface: RS-232 / RS-485 / GPIB / LAN / Manual can be selected