200mW DC 4.0GHz RF Fixed Attenuator SMA Double Female Head 0dB 10dB 20dB 30dB. Maximum power: 23dBm (200mW). Direct: 0dB (reference). 1x DC 4.0GHz RF Fixed Attenuator SMA Double Female Head. Standard SMA female connectors are suitable for connecting most devices.
eBay