Tactical Operator Control Units (OCUs)

Remote Types

There are many different methods to control a robot. This page is a general overview of the most popular methods SuperDroid Robots offers. We currently offer the control methods described below. We specialize in customizing the control packages to meet your needs and budget. Most of these controls are offered as standard options on our Tactical Robots, but if you want a custom control package of combination of controls, just let us know. Wireless control and video monitoring is tricky and can be affected by several factors such as walls, electrical interference, landscape, other RF interference, etc. We also offer many tethered (wired) options where RF is not possible.

The most basic type of radio are our Analog RC offerings. They tend to be cheaper and quite resilient to line-of-sight issues such as walls, trees and hills. The downside to using an analog system is that data transmission is limited. You have a defined amount of analog channels to transmit data, are not compatible with a repeater/mesh network setup and are only cable of one-way communication. Digital remotes are available in Wi-Fi, Digital, and COFDM. The digital systems are all able to provide two-way communication and are compatible with a repeater/mesh network. The Wi-Fi and Digital Radio offerings are very comparable in price but the digital offerings provide greater range. Our COFDM radios provide the best range and capabilities. These military grade radios offer exceptional range and signal integrity.

Frequency Price Range 2-Way Audio Repeater/Mesh
Wi-Fi 2.4 GHz / 5.8 GHz $$ || Y Y
Digital 2.4 GHz / 5.8 GHz $$$$ |||| Y Y
COFDM 2.4 GHz / 5.8 GHz $$$$$$ |||||| Y Y
Tethered N/A $$$ || Y N/A
Fiber Tethered N/A $$$$ |||||||| Y N/A

Radio Communication Styles

Wi-Fi Radio System

Wi-Fi has been around for a long time now and is an easy and cost effective way of controlling a robot. The main disadvantage is range. We typically install a wireless router inside the robot. The Wi-Fi SSID is broadcast from the robot once its power up, then the user connects the laptop or wireless adapter to the router and runs a custom SuperDroid Robots program to control the robot and monitor the video. Using Wi-Fi, there is no limit to the number of channels since its controls are sent via serial packet, any number of data can be transmitted to the robot.

Encryption and Security: The digital systems use a secure wireless private connection so video feed cannot be intercepted.

Data and A/V Transfer: Data transfer is Two-Way (Bidirectional). The data will be sent to the robot, the robot then responds back to the remote. Using this method confirms data transmission and can also be used to provide robot voltages, arm positions, etc. Audio from the robot to the computer is possible with an optional microphone added. Audio from the remote to the robot (for negotiation) is also possible with an optional PA speaker mounted on the robot.

Range: Wi-Fi systems are limited in range. 300 feet is typical. With line of site 600 or more feet can be achieved. High Gain antennas can be used on the robot and/or the remote to extend range. Repeaters can also be used, but they need to be supplied power. Contact us if interested in repeating options.



Digital Radio System

Our Digital Radio System was designed to provide the range and signal integrity of our analog systems while achieving bi-directional TCP/IP communication. With a digital system it could not be easier to set up a mesh network and control your robot for miles.

Encryption and Security: The digital systems use a secure wireless private connection so video feed cannot be intercepted.

Data and A/V Transfer: Data transfer is Two-Way (Bidirectional).1 The data will be sent to the robot, the robot then responds back to the remote. Using this method confirms data transmission and can also be used to provide robot voltages, arm positions, etc. Audio from the robot to the computer is possible with an optional microphone added. Audio from the remote to the robot (for negotiation) is also possible with an optional PA speaker mounted on the robot.

Range: Digital Radios are our most popular and offer great performance compaired with Wi-Fi or analog system. Typical ranges 1000 ft. to 1 mile. All our digital systems are tested to 1/2 mile line of site. High Gain antennas can be used on the robot and/or remote to extend range. Repeaters can all be used, but they need to be supplied power. Contact us if interested in repeating options.


COFDM Radio System

Coded Orthogonal Frequency Division Multiplexing (COFDM) is virtually identical to OFDM, except FEC (Forward Error Correction) is applied to the signal before transmission. The purpose of FEC is to overcome errors (lost bits) in transmission due to lost carriers from fading, noise, interference (mechanical or harmonic) and other environmental variables. The main difference is image quality, especially while the transmitter is in motion. Whereas analog video transmission tends to break up periodically from multi-path or interference, digital systems provide you with high quality images right until the edge of reception. The primary advantage of OFDM over a single-carrier scheme (AM/FM) is its ability to overcome severe channel condition (multi-path, fading, attenuation) without equalization filters. Channel equalization is achieved by using many slowly-modulated narrow-band signals rather than a single rapidly modulated wide-band signal.

Encryption and Security: The digital systems use a secure wireless private connection so video feed cannot be intercepted.

Data and A/V Transfer: Data transfer is Two-Way (Bidirectional). The data will be sent to the robot, the robot then responds back to the remote. Using this method confirms data transmission and can also be used to provide robot voltages, arm positions, etc. Audio from the robot to the computer is possible with an optional microphone added. Audio from the remote to the robot (for negotiation) is also possible with an optional PA speaker mounted on the robot.

Range: COFDM can work on many different frequencies. The lower frequencies will have better penetration. The higher frequencies will have better line of site performance. Typical ranges 1000 ft. to 1 mile. High Gain antennas can be used on the robot and/or remote to extend range. Repeaters can all be used, but they need to be supplied power. Contact us if interested in repeating options.

Remote Styles

Tablet System

The base tablet system solely utilizes the touch screen on a 10-inch high resolution Windows Tablet. This system includes one-way video, your choice of one- or two-way audio using a WiFi based radio system. Control of the robot uses dynamic joysticks that auto-center to where-ever you place your thumbs.

Supported Radios:
  • WiFi
Compatible with:
  • Tracked Platforms: MLT/F "Jack-Russell",LT2/F "Bloodhound", HD2 "Doberman"
  • Wheeled Platforms: UM4 "Retriever"
Features and Options:
  • Tablet with High Definition Display.
  • Integrated video recording capabilities.
  • Dynamic virtual joysticks for drive and camera control.


Handheld Tablet System

The Handheld Tablet System is an upgraded version of our base WiFi Tablet. The same High Definition tablet is enclosed in an ergonomic shell that is packed with physical joysticks and buttons for precise control, a significantly more powerful radio and an additional battery bank for longer life.

Supported Radios:
  • WiFi
  • Digital
Compatible with:
  • Tracked Platforms: MLT/F "Jack-Russell", LT2/F "Bloodhound", HD2 "Doberman"
  • Wheeled Platforms: UM4 "Retriever"
Features and Options:
  • Handheld enclosure with integrated Tablet and High Definition Display.
  • Integrated video recording capabilities.
  • IP-68 rated thumb joysticks for precision control.
  • High Power 5,000 mAHr batteries for long life.
  • Supports external power and batteries for extended deployments.


Handheld System

Our base Handheld System features two physical IP-68 2+1 axis joysticks for drive and camera control. The remote features an 8-inch screen and a powerful 5,000 mAHr battery for extended deployment.

Supported Radios:
  • Digital
  • COFDM
Compatible with:
  • Tracked Platforms: MLT/F "Jack-Russell", LT2/F "Bloodhound", HD2 "Doberman"
  • Wheeled Platforms: UM4 "Retriever"
Features and Options:
  • Rugged Aluminum enclosure with integrated 7-inch LCD display.
  • IP-68 rated thumb joysticks for precision control.
  • High Power 5,000 mAHr batteries for long life.
  • Supports external power and batteries for extended deployments.


Compact Enclosed System

The Compact Enclosed System is the ideal remote for our surveillance robots. It features an 8 inch LCD, high power radio options, and two physical IP-68 2+1 axis joysticks for drive and camera control. All of this is inside a compact and rugged Pelican style case for durability and protection.

Supported Radios:
  • WiFi
  • Digital
Compatible with:
  • Tracked Platforms: MLT/F "Jack-Russell", LT2/F "Bloodhound", HD2 "Doberman"
  • Wheeled Platforms: UM4 "Retriever"
Features and Options:
  • Rugged Pelican style enclosure with 7-inch LCD.
  • IP-68 rated thumb joysticks for precision control.
  • High Power 5,000 mAHr batteries for long life.
  • Supports external power and batteries for extended deployments.
  • Signal status LEDs are available upon request.


Standard Enclosed System

The Standard Enclosed System is the optimum solution for our EOD robots. It features the same high power radios as the compact system above, but the larger case provides options for larger battery banks for extended deployment, as well as multi-axis joysticks for additional camera and manipulator arm control.

Supported Radios:
  • WiFi
  • Digital
  • COFDM
Compatible with:
  • Tracked Platforms: LT2/F "Bloodhound" and "Bulldog", HD2 "Doberman" and "Mastiff"
  • Wheeled Platforms: UM4 "Retriever"
Features and Options:
  • Rugged Pelican style enclosure with 7-inch, 8-inch, or 10-inch LCDs/Tablets available.
  • Tablet Monitor Systems with touch screen are provided on remotes that require 2-way audio.
  • Status LCD with robot control and video switching buttons or On Screen Display (OSD) with tablet systems.
  • Built in Digital Video Recorder and Still Picture Capturing on all Tablet Systems.
  • Video and Audio outputs for external monitors, etc. available.
  • Supports larger 3- and 4-axis joysticks for additional precision camera and manipulator arm control.
  • High Power 10,000 mAHr batteries for long life.
  • Supports external power and batteries for extended deployments.
  • Larger enclosure is available upon request.
  • Back lighting of controls is available upon request.


Repeaters and Secondary Monitoring Stations

Monitoring stations and repeaters, when strategically placed, can noticeably increase operational range and provide an additional operator with "eyes and ears" to oversee the situation. We offer repeaters and secondary monitoring stations as options for all our Wi-Fi, Digital, and C-OFDM Remote Systems. The secondary monitoring stations provide a 2nd monitor for other teams to view the robots camera feed. This is a great tool for 2nd entry teams, etc. They also serve as a repeater too. Contact us if interested in repeating options.

Supported Radios:
  • WiFi
  • Digital
  • COFDM
Features and Options:
  • Rugged Pelican style enclosure.
  • 7-inch, 8-inch, or 10-inch LCDs available (only available on monitoring station).
  • Video and Audio outputs for external monitors, etc. available.

Want to see some video of this model in action? 

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About SDR Tactical

SuperDroid Robots has been working with robots for over 25 years and we plan to keep doing it for countless more. We have many robot designs and models that we keep in stock. These robots can be easily and rapidly deployed as is, or we can customize the stock robot frames to meet your needs.

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