This LOT is one RF Bay, Inc. New 5-1500MHz Level 7 Frequency Mixer, Model Number: MXR-15 with 3-SMA Female Connector.

General Specifications:

• LO/RF Frequency Range: 5-1500MHz
• IF Frequency Range: DC-1000MHz
• Insertion Loss: 7.5dB
• LO/RF Isolation: 40dB typ
• LO/IF Isolation: 40dB typ
• IP3 at Center Band: +15dBm typ
• SMA Female Connector

Detail Spec on Web as follows:

http://www.rfbayinc.com/upload/files/mxr/mxr-15.pdf