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+1 (201) 342-3338 phone  
+1 (201)-342-3339 fax  
89 Leuning Street  
South Hackensack, NJ 07606  
Technical Support  
+1 (201) 342-3338 phone  
+1 (201)-342-3339 fax  
89 Leuning Street  
South Hackensack, NJ 07606  
      2300/2600 MHz Outdoor Diplexer DPO-3456-xxx
  DPO 1896 0 T2 FV  
  • Combines the frequencies covering the 2300 MHz band (2300-2360 MHz) with the 2600 MHz band (2500-2690 MHz)
  • High power 200 W per port with low insertion loss in a small, lightweight enclosure
  • Low intermodulation with isolation of >30 dB port to port
  • Smart Bias-T enables DC and AISG 2.0 pass-through on either input port
  • High reliability of >500K Hours MTBF and multi-strike lightning protection
  • Available outdoor pole or wall mounting options




The CCI Outdoor Diplexer passes the 2300 MHz band covering 2300-2360 MHz on its low band input port and with the 2600 MHz band which covers 2500-2690 MHz on its high band input port. The Diplexer combines the low band and high band signals on to a common port and is specifically intended for use in multi-band systems with limited feeder lines. The Diplexer facilitates the addition of new technologies including LTE and new spectrum to existing sites while providing a high degree of isolation between systems. Decreasing the number of feeder lines lowers tower loading, leasing and installation expenditures and significantly reduces the total cost to upgrade a site.
The CCI Outdoor Diplexer provides full band performance for each band with low insertion loss, low Intermodulation, and high 200 W per port power handling. Excellent return loss performance delivers the best match to the antennas and base station, saving precious transmit power. The CCI Diplexer enables full Remote Electrical Tilt (RET) and Tower Mount Amplifiers (TMA) control capability by providing DC and AISG 2.0 compliant pass-through on either input port. The diplexer is available in a single or twin unit configuration.


Technical Description:

The CCI Outdoor Diplexer consists of multiple filters and can be used as either a splitter or combiner to aggregate the 2300 MHz with the 2600 MHz bands onto a common feeder line. The fully weatherproof tower mount outdoor Diplexer provides DC and AISG signal pass-through on either of the band specific ports, enabling power and control for TMA's & RET antennas. The Smart Bias-Tee architecture passes the DC and AISG carrier frequency from any one of the input ports to the common port while blocking the DC and AISG signals from being re-injected into the other input ports. The Diplexer has internal multi-strike lightning protection using a multi-stage surge protection circuit.
The unit has been designed to minimize insertion loss while maximizing isolation. Particular attention has been given to the intermodulation performance of the Diplexer to minimize any passive intermodulation products from occurring. The Diplexer housing is constructed from die cast aluminum and consists of an IP67 moisture proof enclosure, with IP67 immersion proof connectors suited to long-life masthead mounting. The Diplexer can be pole or wall mounted with the included bracket. The RF ports are configured with 4.3-10 connectors.
CCI filter and combiner products are designed and produced to ISO 9001 certification standards for reliability and quality at our state-of-the-art engineering and manufacturing facilities.


RF Parameters Ports Frequency(MHz) Specification
Return Loss COMMON 2300-2360 18 dB minimum, 20 dB typical
2500-2690 18 dB minimum, 20 dB typical
2300 MHz 2300-2360 18 dB minimum, 20 dB typical
2600 MHz 2500-2690 18 dB minimum, 20 dB typical
Insertion Loss COMMON to 2300 MHz 2300-2360 0.35 dB maximum, 0.2 dB typical
COMMON to 2600 MHz 2500-2690 0.35 dB maximum, 0.2 dB typical
Isolation COMMON to 2300 MHz 2500-2690 30 dB minimum, 35 dB typical
COMMON to 2600 MHz 2300-2360 30 dB minimum, 35 dB typical
General Characteristics  
Impedance 50 ohms
Continuous Average Power 200W maximum (Input Ports), 500W (COMMON Port)
Peak Envelope Power 1.0 kW maximum (Input Ports), 3.0 kW (COMMON Port)
Intermodulation Performance <-117 dBm (-160 dBc) at 2 × +43 dBm tones all bands
DC Pass Current/AISG Pass 3A/AISG signal (2.176 Mhz) per AISG 2.0 on either input port


Operating Temperature -40˚C to +65˚C
Enclosure Enclosure IP67, Connectors IP67
Relative Humidity 5% - 95%
MTBF >500,000 hours
Lightning Protection 8/20us, ±10KA max, 10 strikes per IEC61000-4-5


Model DPO-3456-x-Sx
Modularity Single Twin
Weight with brackets 1.2 Kg (2.65 lbs.) 2.4 Kg (5.3 lbs.)
Dimensions with brackets 119.0 x 191.0 x 61.0 mm
(4.70 x 7.52 x 2.4 in.)
119.0 x 191.0 x 115.0 mm
(4.70 x 7.52 x 4.53 in.)
Dimensions enclosure only 119.0 x 86.0 x 46.0 mm
(4.70 x 3.40 x 1.80 in.)
119.0 x 86.0 x 100.0 mm
(4.70 x 3.40 x 3.95 in.)
Connectors 4.3-10 female x 3 per Diplexer 
Mounting Pole/Wall mounting bracket


  OD DPO1896xxx V1.0 190705 Hi Res
  Outdoor Diplexer Outline Drawing

Block Diagram

  BD DPO3456Sx2 V1.0 191106
  Outdoor Diplexer with Smart Bias-T Block Diagram


SCU-AISG2-3 AISG 2.0 Site Controller
BT-0821-DMDF-AG-O DIN-Male RF Port, DIN-Female RF+DC+AISG Port
BT-0821-DFDM-AG-O DIN-Female RF Port, DIN-Male RF+DC+AISG Port
BT-0821-DFDF-AG-O DIN-Female RF Port, DIN-Female RF+DC+AISG Port

Parts & Accessories

DPO-3456-x-S2 Single Diplexer with mounting bracket and 4.3-10 connectors
DPO-3456-x-T2 Twin Diplexer with mounting bracket and 4.3-10 connectors
Option (-x) Description
-S Smart Bias-T, DC/AISG Pass through on either port
-0 No DC/AISG Pass through
-1 DC/AISG Pass through Low Band to COMMON, DC Block on all other input ports
-2 DC/AISG Pass through High Band to COMMON, DC Block on all other input ports

Standards & Compliance

Safety EN 60950-1, UL 60950-1
Emission EN 55022
Immunity EN 55024
Environmental IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-5, IEC 60068-2-6, IEC-60068-2-11, IEC 60068-2-14, IEC 60068-2-18, IEC 60068-2-27, IEC 60068-2-29, IEC 60068-02-30, IEC 60068-2-52, IEC 60068-2-64, IEC61000-4-5, GR-63-CORE 4.3.1, EN 60529 IP67, IP68


Antenna Interface Standards Group (AISG), Federal Communication Commission (FCC) Part 15 Class B, CE, CSA US, ISO 9001:2008
ISO9001Logo RoHS CE logo AISGLogo 3GPPLogo


89 Leuning Street

South Hackensack, NJ 07606

+1 (201) 342-3338

+1 (201) 342-3339 fax