Special equipment from Helling.
Helling (Germany) offers equipment designed for special services.
Below is a series of devices of the HKG GD type.
HKG GD 3125 is a quartz telephone and indoor microwave transmitter, voice-activated, battery-powered.
Technical specifications
Transmission range, m | 400-1000 |
RF output, mW | 20 |
Modulation | Narrowband FM, deviation +/- 3 kHz |
Microphone | Built-in with compressor amplifier |
Power supply, V | 6, battery |
Antenna | Telephone wire |
Overall dimensions, mm | 45х30х15 |
Weight, g | 30 |
HKG GD 4120 — miniature microphone detector — «bookmarks».
The specified model is a portable detector of transmitting devices based on the principle of measuring the field strength. When a transmitter is detected, an acoustic signal is generated.
If the user prefers a silent detection method, then indication by the deviation of the magnetic needle of the indicator board is possible,
Working with the unit requires special qualifications, the unit does not require ongoing maintenance.
Technical specifications
Frequency range | 10 MHz — 2 GHz |
Detection range, m | Up to 5 |
Demodulation | AM, FM subcarrier |
Alarm indication | Acoustic and visual |
Power supply, V | 9, battery |
Consumption, mA | 15 |
Battery life, h | 30, continuous operation |
Antenna | Telescopic |
Overall dimensions, mm | 145 x 80 x 35 |
Weight with battery, g | 260 |
HKG GD 6102— wireless video and audio transmitter in a diplomat-type attaché case. The system is designed for mobile and covert surveillance, equipped with a highly sensitive microphone, a special CCD camera and a video/audio transmitter.
The built-in rechargeable battery provides continuous operation for at least 7 hours. The fully concealed lens and microphone are located on the narrow side of the attaché case. The camera lens has a fixed focus from 2 m to infinity.
When used under normal conditions, this video/audio transmitting system has a range of about 500-1000 m.
Specifications
Power supply, V | 12, battery, 5.6 A |
Charger | Built-in, 115/230 V |
Continuous operation time, h | 7 |
Overall dimensions, mm | 450 x 340 x 120 |
Weight with battery, kg | 7.9 |
Camera type | CCD, black and white |
System | CCIR |
Sensitivity, lux | 0.8 |
Lens | pinhole |
Frequency range | UHF, about 800 MHz |
Channels | One, quartz |
Video output, W | 4 |
TV standard | CCIR |
Antenna | Quarter-wave, internal |
HKG GD 6110— a video and audio transmitter built into a picture frame. It is a TV and audio transmission system designed for hidden video and audio surveillance of a room. The system is of such dimensions that it can be built into a picture frame. They are equipped with a battery, which ensures continuous surveillance for 3 hours in the event of a power failure.
The system is also equipped with a wireless remote control, allowing the operator to turn the unit on and off. The hole for the camera lens is so small that it cannot be detected accidentally.
Technical specifications
Power supply | 115/230 VAC or 12 V from battery in case of network failure |
Operating time, h | Unlimited, from battery 3 |
Overall dimensions, mm | 500 x 400 x 50 |
Weight | Depends on frame dimensions |
Frequency range | UHF, ~ 800 MHz |
Channels | One, quartz |
Output power, W | 4 |
Microphone | Built-in |
Antenna | Quarter-wave, indoor |
Camera | CCD, black and white |
System | CCIR |
Lens | pinhole (spot aperture) |
Remote control | Inclusive |
HKG GD 6309 is a video and audio transmitter housed in a vest. It is used for covert surveillance. The specially designed vest is worn under the shirt. The surroundings are displayed through a buttonhole and transmitted to a nearby receiver. This disguised system transmits an audio signal in addition to video.
The device is equipped with a 12 V battery, which provides continuous operation for 3 hours.
Technical specifications
Transmission range, m | 50-500 |
Frequency range | UHF, about 800 m |
Output power, W | 2 |
Microphone | Built-in, with compressor |
Antenna | Quarter-wave, internal |
Camera type | CCD, black and white |
Standard | CCIR |
Sensitivity, pc | 1 |
Lens | Button loop |
Power supply | Battery 12 V, 2.7 A |
Continuous operation time, h | 3 |
Temperature range, ‘С | From -10 to +50 |
Weight, kg | 2.1 |
HKG GD 6310— wireless voice-activated video/audio transmitter, designed specifically for professional use. It is very easy to install and does not require a special receiver. HKG GD 6310 is a device that can transmit audio and video signals at a distance of up to 150 m. The transmitter is voice-activated, which increases the continuous transmission time to 1 hour. For unlimited use of the device, an external 12 V DC power source can be used.
Technical specifications
Frequency range | UHF |
Channels | One |
Output power, mW | 100 |
Transmission range, m | 100 |
Microphone | Subminiature electret microphone |
Camera | CCD, black and white |
Standard | CCIR or E1A |
Sensitivity, lx | 2, including lens |
Power supply, V | 12, rechargeable battery, external DC power source possible |
Overall dimensions, mm | 43x53x20, transmitter; 46x42x21, battery compartment; |
Weight, g, | 40, transmitter; 105, battery pack |
HKG GD 6320— wireless video/audio transmitter, represents a new generation of special equipment operating in the gigahertz range. Made on the basis of the most modern technology.
To use the specified transmitter model as a receiving device, it is necessary to use the HKG GD 6431 model.
Technical specifications
Frequency range, GHz | 2.4 |
Channels | One, quartz (five frequencies are possible) |
Output power, W | 1 |
Transmission range | Line of sight over 1 km |
Modulation | FM, deviation +/- 20 MHz |
Transmission standard | CCIR/PAL (option: EIA/NTSC) |
Antenna | External, omnidirectional, quarter-wave with counterpoise |
Power supply | External power supply 11-25 VDC (0.4 A) |
Overall dimensions, mm | 125х60х19 |
Weight, g | 230 |
HKG GD 6330 is a wireless video/audio follow-up amplifier.
In order to extend the transmission range of the HKG GD 6320 module, it is necessary to use the HKG GD 6330 follow-up amplifier.
Specifications
Frequency range, GHz | 2.4 |
Bandwidth, MHz | 200 (including all HKG GD 6320 frequencies) |
Output power, W | 10, with an input power of 1 W |
Antenna bushings | SMA |
Power supply | External power source 12 V DC (2.5 A) |
Overall dimensions, mm | 125 x 50 x 45 |
Weight, g | 400 |
HKG GD 6431 is a GHz-range video/audio receiver-converter. Designed to receive audio and video signals from the HKG GD 6320 transmission system.
Technical specifications
Frequency range, GHz | 2.4 |
Demodulation | FM, deviation +/- 20 MHz, synthesized |
Antenna sockets | Type SMA |
Output sockets | BNC for video, Cinch for audio, DC input |
Output signals | Video: 1 V, audio: 0 dBV (0.77) for connection to an external monitor or video recorder |
Power supply | External source 12 V DC (0.3 A) |
Overall dimensions, mm | 180 x 110 x 30 |
Weight, g | 400 |
HKG GD-7800— laser room monitoring system. This system allows the operator to conduct covert surveillance of the room from the outside. HKG GD 7800 consists of three parts: a laser transmitter, a laser receiver and an amplifier.
The transmitter and receiver are built into a standard SLR camera, which is a good disguise. The kit comes in a camera case with a built-in recorder, two tripods and one micrometer platform with adjustable Y/X axes and a finder.
Technical characteristics of the laser transmitter
Laser | Semiconductor laser |
Wavelength, mm | 750-840 |
Output power, mW | 5 |
Power supply | 8 x 1.5 V AA batteries |
Consumption, mA | 100 |
Beam focusing, mm | 135 |
Target Finder | Through the Lens |
Connection and installation | Power supply and stands |
Continuous operation time, h | 50 |
Other features | Switchable modulation, search signal |
Technical characteristics of the laser receiver
Laser | Low-noise PIN diode |
Wavelength | IR range |
Power supply, V | 12, 8 x UM2 |
Consumption, mA | 30-300 |
Lens, mm | 500 |
Amplifier unit | Connected to the laser receiver by cable |
Gain | Adjustable |
Connections | Headphone, recorder, loudspeaker |
Low-pass filter for the speaker system | Equalizer, adjustable |
Battery life | 50-100, depending on the volume level |
HKG GD 8600— scrambler/voice converter. In a set with a receiving decoder, it fits the HKG GD 1392-1392 C models.
HKG GD 9601 — a jamming transmitter. The use of such a transmitter is especially important in cases where it is not possible to check the room in which an important conversation will take place using a bug detector before it begins.
The standard jamming transmitter is built into an attaché case, which ensures its mobility.
Technical specifications
Output power, W | 5 |
Frequency range, MHz | 50-520 |
Function | Broadband noise transmission |
Power supply, V | 115/230, alternating current |
Antenna | Broadband |
Overall dimensions, mm | 460 x 330 x 90 |
Weight, kg | 6.5 |
HKG GD -9602 — jammer.
Technical specifications
Output power, W | 20-70, adjustable |
Frequency range, MHz | 50-520 |
Function | Broadband noise transmission |
Power supply, V | 115/230, alternating current |
Antenna | Broadband |
Overall dimensions, mm | 460 x 330 x 140 |
Weight, kg | 11.0 |
HKG GD 0005 is an active microphone with an automatic dynamic range compression circuit.
The microphone is designed specifically for use as a replacement for the handset of a portable radio transceiver.
Technical specifications
Frequency range, Hz | 400-10000 |
Dynamic range compression | 35 dB |
Response time, s | less than 0.1 |
Delay time, s | 3 |
Power supply, V | 5.5-10, direct current, 50 mA |
Output voltage | 50 mV eff. at load 500 0m |
Cable length, m | 2.8 (standard) |
Overall dimensions, mm | 60 x 25 |
Weight, g | 32 |
Subminiature microphone HKG GD 0012can be used with HKG GD 0044 and HKG GD 0045 cassette recorders.
Technical specifications
Operating time, h | 500 |
Cable | 100 cm length with 2.5/3.5 mm plug |
Microphone | Electret |
Pickup distance, m | 10-15 |
Frequency range, Hz | 20-20000 |
The miniature, highly sensitive stethoscope microphone HKG GD 0015 can be used with the HKG GD 0044 and HKG GD 0045 cassette recorders.
Technical specifications
Operating time, h | 500 |
Cable | 100 cm length with 2.5/3.5 mm plug |
Microphone | Piezoelectric active |
Professional stethoscope microphone HKG GD 0016is in a special adhesive package, with the help of which it is fixed on the wall of the next room. The amplifier with a low level of its own noise amplifies the signal by 100,000 times, after which the signal can be listened to using headphones. It is possible to connect the recording unit directly to the amplifier. Even walls up to 50 cm thick are no obstacle for the HKG GD 0016.
Technical specifications
Gain | 100 thousand times, 86 dB |
Power supply, V | 9, battery |
Working time, h | 200 |
Connections | Sound receiver, headphones, recording unit |
Overall dimensions, mm | 120 x 60 x 25 |
Weight with battery, g | 120 |
HKG GD 0044, 0045 — compact voice-activated cassette recorders.
Technical specifications
Recording time | 2 x 1 h model HKG GD 0044 2 x 4 h model HKG GD 0045 |
Power supply, V | 6, direct current (4 x UM-2 batteries) 230, alternating current, 50/60 Hz |
Cassette tape recorder HKG GD 0046, built into an attache case, voice activated.
Technical specifications
Recording time, h | 2х2 |
Overall dimensions, mm | 440 x 320 x 100 |
Weight | Depending on the attaché case |
Portable automatic digital noise filter (interference suppression filter) HKG GD 0053 is used to suppress noise, interference and acoustic effects on the voice recorded on tape or transmitted directly from the scene.
Technical specifications
Power supply, V | 12, direct current, 750 mA |
Overall dimensions, mm | 45 x 215 x 275 |
Features of the HKG GD 0053 filter: up to 512 sequential adaptive filters, hissing and rumbling noise filters, dynamic range of 80 dB.
This equipment is not sold or offered for sale on this site. The vrsystems.ru site has no relation to the Helling company and its products. The information is provided for reference only.