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RG-8 QMA Cable Set (2x20m): Professional Antenna Extension for Secure Communications
In modern combat conditions, the survivability of a UAV operator or an electronic warfare crew directly depends on their distance from the radio source. RG-8 QMA-Male - QMA-Female Coaxial Extension Cable Set (2 pcs., 20 meters) is a professional solution for tactical antenna extension. Using thick RG-8 cable allows you to place antennas at a safe distance (20 meters) or at a significant height, maintaining maximum signal strength.
Why RG-8 is the "gold standard" for tactical extension?
At distances of 20 meters, standard thin cables (such as RG-58 or RG-174) lose up to 50-70% of the signal power, which makes the operation of amplifiers or control systems ineffective. RG-8 cable has a significantly larger central core diameter and reinforced shielding, which ensures a critically low attenuation coefficient.
- Low Loss: The thick cable structure ensures that the power from your amplifier or station reaches the antenna with virtually no loss.
- Stable 50 Ohm Impedance: Full compliance with military communication standards, which eliminates the risk of standing waves (SWR) and equipment overheating.
- Double Shielding: Protects the signal from external interference and ensures stable operation in conditions of intense exposure to enemy electronic warfare.
- Mechanical Strength: The sheath is resistant to ultraviolet radiation and mechanical damage, allowing the cable to be used in mud, sand, or among rocks.
Tactical Advantages of QMA Connectors Quick-Lock
The QMA (Quick-Lock) interface is an evolution of the SMA connector, designed specifically for environments where deployment speed is everything. Instead of lengthy threading, the QMA connector snaps into place with a single motion.
- Instant Deployment: Connecting and disconnecting antennas takes seconds, which is critical when changing positions under fire.
- Reliable Connection: The Quick-Lock system eliminates the risk of under-tightening the threads, ensuring stable contact even under strong vibrations.
- 360° Rotation: Once locked, the cable can rotate freely around its axis, which prevents kinks and twists in the thick RG-8 cable.
Technical and tactical characteristics of the kit
This kit consists of two cables, which allows you to organize a full-fledged communication system (video + control) or the operation of MIMO antennas at a remote position.
| Parameter | Characteristic value |
|---|---|
| Cable type | RG-8 (Thick, low attenuation) |
| Wave impedance | 50 Ohm (RF communication standard) |
| Length of one cable | 20 meters |
| Quantity in the kit | 2 units (40 meters in total) |
| Type of connectors | QMA-Male (male) — QMA-Female (mother) |
| Connection type | Quick-Lock (threadless, fast) |
| Purpose | Remove antennas of UAVs, electronic warfare, communication amplifiers |
Expert advice: Using a 20-meter extension on RG-8 cable allows the operator to remain in a dugout or basement while the antennas are working in an open area. This significantly reduces the risk of pilot detection by enemy electronic reconnaissance (SIGINT).
Application areas:
- FPV stations: Removing control and video receiving antennas to masts or trees.
- Electronic warfare systems: Placing jamming sources away from personnel.
- Repeaters: Creating stable communication lines in difficult areas of the front.
Conclusion: Reliability without compromise
RG-8 QMA 20m cable set is not just an accessory, but a necessary element of professional tactical equipment. Minimal signal loss, connection speed, and the ability to safely remove antennas make this set the best choice for aerial reconnaissance and electronic warfare units.
FAQ:Five questions about the RG-8 QMA cable kit (20 m)
Why does this kit use RG-8 cable?
RG-8 is a low-loss cable. It is much thicker than conventional feeders. Over a length of 20 meters, thin cables lose up to 80% of the signal power, while RG-8 delivers maximum energy from the remote control to the antenna, ensuring a stable connection.
Why are there two cables in the kit?
Modern antennas operate in MIMO $2 \times 2$ mode (reception and transmission in two planes). Two cables allow such an antenna to be extended 20 meters while maintaining high data transfer rates and link reliability.
Is operator safety when extending the antenna 20 meters?
This is critical for survival. Enemy reconnaissance takes bearings on the antenna, not the control panel. With a 20-meter line, the pilot can remain in cover while the antenna is remote. This protects the operator from attacks on the signal source coordinates.
Are QMA connectors convenient in the field?
Yes, this is a quick-deployment standard. QMA connectors snap into place with one movement. You don't need to twist the threads, which saves time and eliminates the risk of damaging connectors in a hurry or in the dark.
What are the features of using thick RG-8 cable?
RG-8 is less flexible than thin wires. It should not be bent too much to avoid damaging the structure. However, it is much stronger, resistant to stretching and weather conditions, making it durable with constant use.
Is operator safety when the antenna is 20 meters away?
This is critical to survival. Enemy reconnaissance takes direction readings from the antenna, not the control panel. With a 20-meter line, the pilot can remain in cover while the antenna is remote. This protects the operator from being hit by a strike on the signal source coordinates.
Are QMA connectors convenient in the field?
Yes, this is the rapid deployment standard. QMA connectors snap into place with one motion. You don't need to twist the threads, which saves time and eliminates the risk of damaging connectors in a hurry or in the dark.
What are the features of using thick RG-8 cable?
RG-8 is less flexible than thin wires. It should not be bent too much to avoid damaging the structure. However, it is much stronger, resistant to stretching and weather conditions, making it durable with constant use.
Is operator safety when the antenna is 20 meters away?
This is critical to survival. Enemy reconnaissance takes direction readings from the antenna, not the control panel. With a 20-meter line, the pilot can remain in cover while the antenna is remote. This protects the operator from being hit by a strike on the signal source coordinates.
Are QMA connectors convenient in the field?
Yes, this is the rapid deployment standard. QMA connectors snap into place with one motion. You don't need to twist the threads, which saves time and eliminates the risk of damaging connectors in a hurry or in the dark.
What are the features of using thick RG-8 cable?
RG-8 is less flexible than thin wires. It should not be bent too much to avoid damaging the structure. However, it is much stronger, resistant to stretching and weather conditions, making it durable with constant use.