Anti Drone Guardian of the air, Raysun Multicopter Defender, DRONE Defender, UAV Jammer, UAV Intercept system, Drone Jammer

2024/02/20 UPDATE

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Multi-purpose Night Vision Monocular
RAYSUN MD1S Multicopter Defender

Anti Drone Guardian of the air Drone Defender UAV Jammer

  • Drone is now commonly used to spy personal privacy or top-secret information day and night, it's also used as an invasive tool by using with weapon for illegal purpose, which has caused a seri-ous problem on the sky, so Multicopter Defender is an ideal device to counter the threat nowadays.
  • The shoulder rifle can block ISM and GPS signal to take down the drone immediately within 1,100m, when the drone is out of the owner's range, it will either go home, make a controlled de-scent, or fall out of the sky, when the drone finds the way home, the user can catch the owner accordingly.
  • Allow to disrupt the wireless video transmission which disables the on-site monitoring and guid-ance, the owner can't wirelessly control the drone any more.
  • With ability to use with night vision device or thermal scope for night time operation within 1100m.
  • The high gain directional antenna can be free from environmental interference.

MD-1 Multicopter Defender is used for 2017 Summer Universiade to execute the "Sky Net" campaign with an aim to counter drone.
Anti Drone Guardian of the air Anti Drone Guardian of the air Anti Drone Guardian of the air
News report:

CTI News
EBC News
SETN news
TTV News
Formosa News

China Times:
Apple Daily:
United Daily News:
Liberty Times:

Taiwan-made RAYSUN MD1 Multicopter Defender is used in Iraq to counter drone.
Reference sources:
Defense Technology Monthly
Defence Blog
Xinhua News Report
無人機干擾槍新聞報導2 無人機干擾槍新聞報導3


UAV Defender
CCTV Report (China)
Multicopter Defender
(UAV Jammer / Drone Defender)
Field test on Multicopter Defender

3 break-in drones caused the flight delay in Taiwan airport

Catalog Download
NET GUN 網槍 DOC  DOC download
NET GUN 網槍 PDF  PDF download

UAV airdrop bomb UAV smuggling of firearms / drugs
UAV interference flight safety UAV air photography infringement of

Operation Instruction
Multicopter Defender
Before use
GPS and flight is under normal condition.
Multicopter Defender Power on GPS
GPS signal is missing, while flight condition can be tracked as well, which force the drone should be either controlled manually or descend slowly; auto-flight mode is not allowed.
Multicopter Defender Power on ISM.
The device is beyond owner's control, while GPS function will guide the drone go back to the owner, so user can catch both targets easily.

Power on GPS and ISM
The drone completely lose its control, and can be only flying without any intention till drop to ground when running out of battery.
The effective range is up to 1100m

24h Long Distance night vision system (option)
24h Thermal scope (option)


With battery capacity display and weak alarm function


1. Applicable GPS frequency: L1 / L2
2. Applicable ISM band()2.4G: 2400~2500 MHz
3. Applicable ISM band(5.8G): 5700~5900 MHz
4. Output power: Up to 30W and above.
5. Antenna gain: 10~12dBi, ERIP:up to 180dBm
6. Effective range: Above 1100M

Multicopter Defender
Portable Multicoper Defender


MD1S Antenna beamwidth

Effective range is up to 1100m

The built-in 1913 rail allows to attach various types of aimers or install a strap for shoulder-carry.

Roller carry case: easy to carry and store.


Roller carry case size

116 cm x 33 cm x 190 cm

Main unit size 66 cm x 18.3 cm x 28 cm

Main unit size(including gunstock)

86 cm x 18.3 cm x 28 cm


Less than 6 Kg (Include battery、full set)


DC 24V

Battery Capacity

6400 m/Ah

Operational temperature

-10 degree~55 degree

Relative humidity


Protection Class


Operation time

60 mins

Battery Charge time

約4 hours

Frequency range


Antenna output power

12~15 dBi

Output Power


Horizontal Beam width


Vertical Beam width 35(±3)degree

Effective range

More than 1100 meter

Standard package

1. Main unit
2. Roller carry case
3. Power cable
4. Charger
5. Handle-shape support

Optional Items

1.Night vision device
(With combination set)

2. Thermal imager
(With combination set)

1F No.12 Shao Hsing South Street, Taipei, Taiwan R.O.C.

TEL: +886-2-2396-5600
FAX: +886-2-2391-2459