1. This Antenna Is Not Waterproof. If It Is Used Outdoors, Please Do Waterproofing By Yourself, Such As Applying Waterproof Glue. 2. Made Of High Quality Material, And Wear-Resistant 3. Nice Replacement For Broken Or Old One, Make You Device Work Properly 4. High Quality For Professional Use,Passive Design; No Adjustments Required; Low-Loss Wideband Balun With Typical Loss Of 0.28 DB. 5. Need A Professional To Install The Corresponding Drone Accessories To Avoid Damage To The Accessories 1. High Frequency Response: 10KHZ To 30MHZ 2. Vhf Response: UP To 300 MHZ 3. Maximum Power: 250 MW 4. Cable Length: 6m (SMA Male To Male) color:As shown Material:ABS Package Contents: 2 x 1m RG402 18Ghz Coaxial With SMA Male Connector-Branch 1 x 6m RG174 Coaxial With SMA Male Connector-Transmission Line 1 x Inverter 1 x T-Shaped Low-Loss Broadband Balun 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.