Keysight (Agilent)
Keysight (Agilent) 11955A
Biconical Antenna, 30 to 300 MHz
1 GHz to 2 GHz Frequency Range
50 Ohm Impedance
Type-N Connector Type
Frequency Converter / Upconverter Test Adapter Application
Less than 6 dB typical Insertion Loss

| Attribute | Value |
|---|---|
| Frequency Range | 1 GHz to 2 GHz |
| Impedance | 50 Ohm |
| Connector Type | Type-N |
| Application | Frequency Converter / Upconverter Test Adapter |
| Insertion Loss | Less than 6 dB typical |
| Maximum Input Power | +20 dBm |
| VSWR | Less than 1.5:1 typical |
| Compatible Instruments | Keysight/Agilent Spectrum Analyzers and Signal Generators |
| Operating Temperature | 0°C to +55°C |
| Form Factor | Coaxial RF Adapter / Accessory |
Keysight (Agilent) 11955A Options:
- 11500A - HP 11500A - Six foot RG-214U Cable with Type-N Connector
- 11500F - HP 11500F - 150 cm Cable (APC 3.5 Male Connectors)
- 11940A - HP 11940A - Close Field Probe 30 MHz to 1 GHz
- 11941A - HP 11941A - Close Field Probe 9 KHz to 30 MHz
- 11945A - HP 11945A - Close Field Probe Set
- 11945A - E51 - Adds HP 8447F Option H64 dual preamplifier, a 36 inch Type-N cable and a carrying bag
- 11947A - HP 11947A - Transient Limiter
- 11956A - HP 11956A - Log Periodic Antenna
- 11960A - HP 11960A - EMC Preselector
- 11961A - HP 11961A - EMI Measurement Software
- 11966A - HP 11966A - Active Magnetic Loop Antenna
- 11966A - 220 - Replaces standard 120 VAC/60 Hz battery charger with a 220 VAC/50 Hz unit
- 11966A - K12 - Passive Loop Set
- 11966A - K24 - Biconical Antenna 20 MHz to 300 MHz (2000 Watts)
- 11966A - K30 - Passive Rod Antenna
- 11966A - K38 - Biconical Antenna 30 MHz to 300 MHz (300 Watts)
- 11966A - K40 - Royce Field Site Source
- 11966A - K47 - Five Meter Cable (APC 3.5 Male Connector)
- 11966A - K48 - Ten Meter Cable (APC 3.5 Male Connector)
- 11966B - HP 11966B - Active Monopole Antenna
- 11966B - 220 - Replaces standard 120 VAC/60 Hz battery charger with a 220 VAC/50 Hz unit
- 11966C - HP 11966C - Biconical Antenna 30 MHz to 300 MHz
- 11966D - HP 11966D - Log-Periodic Antenna 200 MHz to 1 GHz
- 11966E - HP 11966E - Double-Ridged Waveguide Horn Antenna 1 to 18 GHz
- 11966F - HP 11966F - Conical Log Spiral Antenna 200 MHz to 1 GHz
- 11966G - HP 11966G - Conical Log Spiral Antenna 1 GHz to 10 GHz
- 11966H - HP 11966H - Dipole Antenna Set 28 MHz to 1000 MHz
- 11966I - HP 11966I - Horn Antenna 200 MHz to 2 GHz
- 11966J - HP 11966J - Horn Antenna 18 GHz to 40 GHz
- 11966K - HP 11966K - Magnetic Field Pickup Coil 20 Hz to 50 kHz
- 11966L - HP 11966L - Coaxial Cable 10 Meter Type-N
- 11966M - HP 11966M - Coaxial Cable 10 Meter BNC
- 11966N - HP 11966N - Log Periodic Antenna 200 MHz to 5 GHz
- 11966P - HP 11966P - Broadband Antenna
- 11967A - HP 11967A - Current Probe 15 kHz to 50 MHz
- 11967A - K05 - Absorbing Clamp
- 11967A - K06 - Cavity Rejection Network
- 11967A - K23 - Bridged-T Rejection Networks
- 11967B - HP 11967B - Current Probe 20 Hz to 2 MHz
- 11967D - HP 11967D - 10 Amp Line Impedance Stabilization Network
- 11967D - 001 - SCHUKO outlet
- 11967D - 002 - British outlet
- 11967E - HP 11967E - 25 Amp Line Impedance Stabilization Network
- 11967E - 001 - SCHUKO outlet
- 11967E - 002 - British outlet
- 11967E - 003 - Australian outlet
- 11968A - K07 - Shielded Room Kit
- 11968B - HP 11968B - Manual Antenna Positioning Mast
- 11968C - HP 11968C - Antenna Tripod
- 11968E - HP 11968E - Manual Equipment Test Turntable
- 8447F - H64 - Dual Preamplifier 0.1 to 1300 MHz
- 8449B - HP 8449B - Microwave Preamplifier 1 GHz to 26.5 GHz
- 85650A - HP 85650A - Quasi-Peak Adapter
- 85685A - HP 85685A - RF Preselector
- 85876B - HP 85876B - Commercial Radiated EMI Software
- 85878A - HP 85878A - EMI Report Generator
- 11955A - 0160-6683 - 10 µF Capacitor
- 11955A - 8120-1840 - 122 Centimeter Coaxial Cable
- 11955A - 11729-60014 - Low Noise Preamplifier
| Model | 11955A |
|---|
The Keysight (Agilent) 11955A Biconical Antenna offers a frequency range of 30 MHz to 300 MHz, supporting maximum continuous power up to 0.5 Watts. It features a type-N (female) connector and 50-ohm impedance for stable signal transmission.
With average VSWR and a 1/4 inch x 20 fem thread mounting base, the 11955A is ideal for EMI testing and RF measurements across various electromagnetic environments.
Testwall can supply the used Keysight (Agilent) 11955A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 11955A.





