6 : 3 Combining system 1800/2100 MHz 4.3-10 female product photo Front View L
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6 : 3 Combining system 1800/2100 MHz 4.3-10 female


SPINNER Combining Units for best radio frequency networks performance

Combining units are essential components in radio frequency networks, used to merge signals from multiple sources or split signals into multiple paths while maintaining signal integrity. All combiners work in bi-directional mode and can therefore be used to combine and split the transmitted and received signals.

The 6 : 3 Combining system 1800/2100 MHz 4.3-10 female guarantees excellent, lossless mobile communication quality for use in in-building distributed antenna systems (DAS) or on mobile communication base stations outdoors.

An advanced multiband combining systems manages multiple bands and signals, providing an all-in-one solution for complex network setups. A multiband combining system is a comprehensive solution designed to integrate multiple signal bands into a unified system. This type of system allows for the simultaneous handling of signals across different frequency bands, optimizing the use of spectrum and infrastructure. It is especially useful in complex network environments where multiple frequency ranges and operators are in operation, enabling more efficient management of bandwidth and improving overall network performance.

They are typically used in:

  • In-building Distributed Antenna Systems (DAS): MCS units are commonly deployed in large buildings, shopping malls, airports, and other indoor spaces. They ensure seamless coverage by combining signals from different operators and frequency bands.
  • Outdoor base stations: When deploying base stations in outdoor environments, the MCS adapts to varying antenna placements and frequency requirements.
  • Network expansion: As networks grow, the MCS can accommodate additional frequency bands or operators without major modifications.

Critical characteristics are:

  • Flexibility: MCS units must be adaptable to changing network needs. Their ability to handle multiple frequency bands and operators ensures scalability.
  • Low insertion loss: minimizing signal loss during combining is crucial for maintaining overall network performance.
  • High isolation: effective isolation between input ports prevents interference.
  • Robust construction: outdoor MCS units withstand environmental conditions (temperature, humidity).
  • Easy Installation: plug-and-play design (boxed or 19” rack mounting) simplifies deployment.

Benefits are:

  • Scalability: multiband combing system units grow with the network, reducing the need for frequent replacements.
  • Cost-effectiveness: shared infrastructure lowers costs for building owners and operators.
  • Reduced deployment time: quick installation and adaptability speed up network rollout.
  • Future-proof: MCS units accommodate technology upgrades and changing frequency requirements.

SPINNER’s MCS stands out due to its innovative design (boxed or 19” rack mounting), adaptability, and performance. Our products are recommended because they provide a flexible solution for both indoor and outdoor mobile communication networks. Whether enhancing in-building coverage or expanding network capacity, SPINNER’s MCS ensures reliable and future-proof communication.

Outstanding RF characteristics, best possible passive intermodulation and VSWR

The 6 : 3 Combining system 1800/2100 MHz 4.3-10 female enables you to transmit high-frequency signals reliably and flawlessly with optimum protection of your sensitive equipment in a power range up to 200 W (each input port) with maximum passive intermodulation (IM3) of -155 dBc.

The protection class is IP 65.

The port path designation regarding main line and probe is as follows: Port 1, 2, 3: output, Port 4, 5, 6, 7, 8, 9: input

It supports the use of the following frequency bands : 1800, 2100

The 4.3-10 connector system was designed to meet the latest requirements in mobile communication in terms of size, robustness, performance, and other parameters. Its small footprint supports the use of smaller components, mitigates risks if equipment is assembled without due care, and delivers outstanding electrical performance.

RF characteristics

Number of interfaces:
Interface type:
4.3-10 female (50 Ω) per IEC 61169-54
Port / path designation:
Port 1, 2, 3: output
Port 4, 5, 6, 7, 8, 9: input
Interface direction:
Input : output ratio:
6 : 3
Combiner type:
Multiband combining systems
Mobile communication
Frequency range:
1710 to 1880 MHz (GSM1800)
1920 to 2170 MHz (UMTS2100)
Frequency band:
1800, 2100
Average power rating:
200 W (each input port)
VSWR, max.:
VSWR, typ.:
Insertion loss max.:
0.65 (+5.0 dB ± 0.8 dB splitting losses)
Isolation, min.:
50 dB (Interband)
30 dB (Intraband)
Passive intermodulation (IM3), max.:
-155 dBc
Passive intermod. (IM3), typ.:
-160 dBc

Mechanical characteristics

Degree of protection:
IP 65
Degree of protection remark:
Weight, approx.:
17.0 kg

Environmental conditions

Environmental conditions:
ETSI EN 300019-1-1 Class 1.2
ETSI EN 300019-1-2 Class 2.3
ETSI EN 300019-1-3 Class 3.3
Operating temperature:
-40 to +65 °C
Relative humidity, max.:
95% (non-condensing)
Storage ambient temperature:
-40 to +85 °C
Storage rain, condensation, icing:
95% (non-condensing)

Scope of delivery & accessories

Mounting accessoires:
wall mounting or 19" Rack mounting included

Further remarks

unused input ports must be terminated with 5W standard load 531726 (to be ordered separately)
Customs tariff number:



Product data sheet – 572683 – 572661-DS.pdf


Model – 572683 – iBwave VEX file – 572683-MS.vex