©

RFbeam Microwave GmbH | Schuppisstrasse 7 | CH-9016 St. Gallen | www.rfbeam.ch | K-LD2 | data sheet

09/2018 - Revision B | Page 2/20

Characteristics

Parameter

Conditions / Notes

Symbol

Min

Typ

Max Unit

Operating Conditions

Supply voltage

3.2

5.5

V

Supply current

55

mA

Operating temperature

-20

+85

° C

Storage temperature

-20

+105

° C

Transmitter

Transmitter frequency

24.050

24.250

GHz

Frequency drift vs temperature

0.02

MHz/° C

Output power

EIRP

+15

dBm

Spurious emission

According to ETSI 300 440

-30

dBm

Receiver

LNA gain

20

dB

Mixer Conversion loss

6

dB

Antenna gain

8.6

dBi

Receiver sensitivity

-112

dBm

Overall sensitivity

-127

dBc

Max. Detection distance

σ = 1 m² (Person )

R

20

m

Signal Processing

Modulation

none

Velocity processing

256 point FFT

Sample rate

1.28

12.8

kHz

Speed range

Depending on sampling frequency

0

143

km/h

Response time

Depending on sampling frequency

and FFT average feature

20

400

ms

Antenna

Horizontal –3dB beamwidth

E-Plane

80

°

Vertical –3dB beamwidth

H-Plane

34

°

Horiz. Sidelobe suppression

-12

-20

dB

Vertical sidelobe suppression

-12

-20

dB

Interface

Digital Output high level voltage

2.1

2.6

V

Digital Output low level voltage

0.3

0.64

V

Digital Input high level voltage

2.0

3.3

V

Digital Input low level voltage

-0.3

0.8

V

Digital I/O source/sink current

-20

20

mA

Analogue Input level

0

3

V

Analogue Input impedance

200

kΩ

Body

Outline Dimensions

25 × 25 × 6.5

mm³

Weight

6.5

g

Connector

8 pin 2.54 mm