ALLNET antenna lightning protection, 5.8 GHz N-Type socket / St. content_copy

The Allnet Antenna Surge Protector AL6-NMNFBW-9 is a protection device for radio frequency installations in the frequency range from DC to 6 GHz. It protects antenna connections against overvoltages, particularly from lightning discharges, and is suitable for use in wireless networks according to IEEE 802.11a, 802.11b, and 802.11g, as well as in ISM-, MMDS-, Cellular-, and PCS applications. The device features an N-connector on the input side and an N-female connector on the output side, with both connections being equally protected. This allows for flexible installation, regardless of mounting direction.

Applications
This surge protector is designed for applications in the frequency range of 0 to 6 GHz, making it suitable for modern Wireless LAN systems, especially in the 5 GHz band, as well as for 3.5 GHz WLL applications. It is used in wireless communication infrastructures where high availability and protection against atmospheric overvoltages are required. Use in ISM bands (Industrial, Scientific, Medical) and UNII bands (Unlicensed National Information Infrastructure) is also intended.

Functions and Features in Detail
The device offers high-performance surge protection with multi-strike capability, meaning it can absorb multiple overvoltage pulses in sequence. The protection function is achieved through a gas discharge arrester, which activates at a breakdown voltage of 90 V ± 20 %. The maximum impulse voltage is 1000 V with an impulse duration of 1x40 µs, and the maximum impulse current is 6 kA. The impedance is 50 Ohm, ensuring compatibility with standard network cables and devices.

Technology Explained Simply
The surge protector operates in the frequency range from DC to 6 GHz and has a maximum VSWR (Voltage Standing Wave Ratio) of 1.2:1, indicating low reflection and high signal transmission quality. The maximum insertion loss is 0.6 dB, meaning signal loss through the device is minimal. The use of nickel-plated brass for the connector and housing body, along with gold-plated brass for the contact pins, ensures high corrosion resistance and electrical conductivity. The rubber "O"-ring seal ensures waterproof mounting through an enclosure wall.

Compatibility and Accessories
The device is designed for N-type connections and can be directly connected to antennas or network devices with N-connectors. As an accessory, an antenna adapter N-type male to N-type male is available for connection adjustments if needed. Installation can be done either through an enclosure wall using the integrated seal or with optional stainless steel mounting brackets.

Installation and Mounting
Installation is performed by inserting the device through a wall opening in the enclosure, where the rubber "O"-ring seal ensures waterproof sealing. Alternatively, it can be mounted using stainless steel mounting brackets. Installation is simple and requires no special tools. The simultaneous protection at both connections allows for flexible placement within the system.

Operational Advantages
The surge protector provides reliable protection against atmospheric overvoltages, thereby extending the lifespan of connected devices. The low signal distortion and minimal insertion loss ensure high signal quality. The robust construction from nickel-plated brass and gold-plated contacts guarantees long service life even under harsh environmental conditions. The universal mounting options increase installation flexibility.

Dimensions and Weight
The device has maximum dimensions of 68 mm length, 23 mm width, and 31 mm height. The weight is 0.11 kg. The compact design enables easy integration into existing systems.

General
Frequency range	0 - 6 GHz
VSWR	1,2:1
Insertion loss	0,6 dB
Impedance	50 Ohm
Gas discharge surge arrester breakdown voltage	90 V
Gas discharge suppressor tolerance	± 20%
Surge voltage (1x40 µs)	1000 V
Surge current (1x40 µs)	6 kA
Resistance at 100 V	>10,00 MΩ
Sealing material	Rubber

---