RFaha 4pcs N Type Male/Female to UHF PL-259 SO-239 M/F RF Coaxial Adapter Connector Kit(F36-4) bee it need to connect to

it need to connect to the DVR to work

can meet the strict iPhone requirements

large s hooks are strong and safe enough to bear heavy weight without worrying about their falling or damage and can prevent rust in bad weather

M4 Right Hand Threaded Rod End Joint Bearing

RFaha 4pcs N Type Male/Female to UHF PL-259 SO-239 M/F RF Coaxial Adapter Connector Kit(F36-4) bee it need to connect toRFaha 4pcs N Type Male Female to UHF PL 259 SO 239 M F RF Coaxial Adapter Connector Kit(F36 4) Pure copper with much better Frequence Response Great for interphone, communication connecting user Connector Material: Pure Copper, Great connectivity Surface treatment: Nickel plated Impedance: 50 ohm Quantity: 1pc for each type Applications: Antennas, Wireless LAN Devices, Coaxial cable, Wi Fi Radios External Antenna, ect. Please confirm the connector