UL Certified Coaxial Surge Suppressor / Lightning Arrestor for RF Frequencies up to 3.5 GHz. N-female to N-female Bulkhead.

Coaxial Surge Suppressor for Frequencies up to 3.5 GHz N-female to N-female Bulkhead, UL Certified

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UL Certified Coaxial Surge Suppressor / Lightning Arrestor for RF Frequencies up to 3.5 GHz. N-female to N-female Bulkhead.


Availability: Ships in 1-2 Weeks

Regular Price: $120.00

Your Price $89.99

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The RSP-P8AX-09-N/FF from RFMAX is a UL CERTIFIED /  UL LISTED coaxial surge supressor (lightning arrestor) for 50 ohm wireless RF systems operating at a frequency of 100 MHz to 3.5 GHz. This unit is ideal for a wide range of applications including VHF, UHF, 700/800 Mhz public safety radio, 900 mhz ISM, LoRA, Spread Spectrum and RFID, as well as 3G/4G/LTE cellular systems with up to 25 watts of output power.


•RoHS compliant

•Connectors: N Female to N Female Bulkhead

•Removable/Replaceable GDT (gas discharge tube)

•Bi-directional Surge Protection

•Compatible with VHF, UHF, 700/800/900 MHz & 3G/4G/LTE Cellular




RF Frequency range

100 MHz -3.5 GHz

Insertion loss

< 0.2 dB

Return loss

> 20 dB




50 ohms

Max. load current

10 A

Residual Current (Leakage current to Ground)


Operating current (Continious current at Uc)


Max. discharge current (max. withstand @ 8/20 μs by pole)

20 kA

Protection mode

Common mode

Protection level (@ In (8/20μs))

< 700 V

Impulse current(2 x 10/350μs Test - D1 Category)

1 kA

Nominal discharge current(8/20μs Test x 10 - C2 Category)

5 kA

Max Radio output Power

25 W

Typical let through energy (50 ohms) input 4kV 1.2/50μs -2kA 8/20μs)

300 μJ

DC Pass


Insulation resistance

≥10 GOhms

Additional Information

Additional Information

Mfg Part Number RSP-P8AX-09-N/FF
Manufacturer RFMAX
Product Condition New
Antenna Style In-line Surge Protector
Bands Multi
Frequency 1 150 MHz VHF
Frequency 2 450 MHz UHF
Frequency 3 700/800 Public Safety
Frequency 4 900 MHz ISM, LoRA, Spread Spectrum or RFID
Frequency 5 3G/4G/LTE 617-3800 MHz
Impedance 50 ohms
Max Input Power (W) 25
VSWR: < X: 1 1.2:1
No Of Elements 1
Height/Length (mm) 64 mm
Thickness/Diameter (mm) 26 mm
Weight (grams) 0.135 kg
Operating Temp (celsius) (-40C) to (+85C)
Mount Style Bulkhead Mount
Color Chrome
Connector N-Female
Connector 2 N-Female Bulkhead
IP Rating IEC 61643-21 / EN 61643-21 / UL497C / UL497E
OK for Outdoor Use Yes
Vehicular No
Ground Plane Required No

Customer Reviews 1 item(s)

Great product built to last, one of only a few that are UL listed for its use and by far the best quality for its price! Excellent sales team to work with, strongly recommend to anyone needing coaxial surge protection!
Overall Satisfaction
Review by Taylor / (Posted on 7/6/2020)