1. Can be used for CATV/, MMDS and wireless LAN as well as test equipment. 2. This RF switch module provides single positive bias and true TTL/CMOS compatibility. 3. The module has a large heat dissipation area, which can better maintain long-term operation. 4. Exquisite and great workmanship, 3V-5V supply voltage, DC-3GHZ frequency. 5. Convenient to use and with good performance, with small size, easy to carry and store. Specification: Item Type: RF Switch Module Model: HMC253 Power Supply Voltage: 3V-5V Frequency: DC-3GHZ Single Positive Power Supply: = +3V to +5V Colour: as shown Material: ABS Size: 5.2 x 5.2cm Package Contents: 1 x RF Switch Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.