It has standard 50 Ohm with N-Male to N-Female coaxial connectors.
It is a coaxial N Surge Protector, operates over the frequency range of 0-3 GHz.
Designed to be placed between amplifier and outside antenna cable connection, need to be grounded. (DC Pass)
It is ideal for protecting 50 Ohm 2G 3G 4G LTE Cell Boosters and Antennas, as well as 900MHz and 2.4GHz WiFi Access Points and Routers.

Material:
Body: brass nickel plated
Pin: Body brass gold plated
Insulator: Teflon(PTFE)

Specifications:
Connectors: N Male to N Female
Impedance: 50 ohm, specifically for 50 ohm systems
VSWR: ≤1.2
Insertion Loss: ≤0.2dB
Frequency Range: DC - 3 GHz
Temperature range: -40°C to +85 °C
Insulation Resistance: ≥ 5000MΩ Durability: ≥ 500 cycles
Contact Resistance: Center conductor ≤ 1.5mΩ, Outer conductor ≤ 1mΩ

Package Include:
1pc N Male to Female Lightning Arrestor surge protector