FT K5 Drone Control Antenna, 2000–2700 MHz

K-5 Antenna – Omnidirectional Control Antenna, 2000–2700 MHz

1. General Description

The K-5 antenna is a broadband omnidirectional antenna designed based on

the Pistolkors design. It is intended for use in communication systems

for unmanned aerial vehicles (UAVs) and ground stations. The design

features a brass conductor and a coaxial feeder, ensuring stable

electrical characteristics and mechanical reliability.

2. Frequency Range and Gain

• Frequency range: 2000–2700

• Gain: 2.0 ± 0.5 dBi

3. Electrical specifications

Parameter	Value
VSWR	≤ 1.5
Polarization	Linear
Impedance	50 Ω
Maximum Input Power	20 W

 

4. Angular characteristics

• Beam pattern: omnidirectional in the horizontal plane

• Vertical radiation angle: ~65°

 

5. Mechanical characteristics

Parameter	Value
Radiator Material	Brass wire Ø 2 mm
Radiator Length	158 mm
Mounting Material	3D-printed housing (PLA/ABS/TPU)
Feeder Length	160 mm
Weight	~30 g
Connector	SMA-Male / RP-SMA-Male

6. Operating conditions

• Temperature range: –40 °C … +70 °C

• Moisture resistance: protected with heat-shrink tubing and sealant

• Application: outdoor and indoor installation

7. Compatibility

The antenna can be used in:

• FPV control and data transmission systems (2.4 GHz)

• Telemetry stations and base stations

8. Applications

• Communication channels for unmanned aerial vehicles

• Ground control stations

• Telemetry and monitoring systems

9. Dimensions and Appearance

The images below show the K-5 antenna (general view, rear view, angled view).

10. Measurement Results

The results of simulations and measurements of the K-5 antenna confirm compliance

with the specified parameters.

CST plots are provided as examples (in the 2–2.7 GHz range).

Frequency, GHz	Gain, dBi	Main Beam Width (3 dB)
2.1	2.4	80°
2.5	2.6	78°