Shenzhen factory · Indoor cavity filters, duplexers and combiners · EXW or FOB Shenzhen+86 186 8871 8926

Products / KXT-CM4-B1N78

4-port Cavity Combiner

KXT-CM4-B1N78 · Band 1 + Band 41/n41 + n78

Electrical specification

CH1 Passband1920–1980 MHz
CH1 Bandwidth60 MHz
CH1 Insertion loss≤ 1.8 dB
CH1 Ripple≤ 1.5 dB
CH1 VSWR≤ 1.3
CH1 Return loss≥ 17.7 dB
CH2 Passband2110–2170 MHz
CH2 Bandwidth60 MHz
CH2 Insertion loss≤ 1.8 dB
CH2 Ripple≤ 1.5 dB
CH2 VSWR≤ 1.3
CH2 Return loss≥ 17.7 dB
CH3 Passband2496–2690 MHz
CH3 Bandwidth194 MHz
CH3 Insertion loss≤ 1.8 dB
CH3 Ripple≤ 1.5 dB
CH3 VSWR≤ 1.3
CH3 Return loss≥ 17.7 dB
CH4 Passband3300–3800 MHz
CH4 Bandwidth500 MHz
CH4 Insertion loss≤ 1.8 dB
CH4 Ripple≤ 1.5 dB
CH4 VSWR≤ 1.3
CH4 Return loss≥ 17.7 dB
Power20 W
ConnectorSMA, confirm gender on the order
Temperature−20 °C ~ +60 °C
Impedance50 Ω
Outline122 × 100 × 30.5 mm
FinishAluminum cavity. Drawing height is 30.5 mm including tuning screws.
Low-PIM optionPIM3 ≤ −150 dBc @ 2×43 dBm

Rejection and isolation

PortBandLimit
CH12110–2170 MHz≥ 80 dB
CH12496–2690 MHz≥ 80 dB
CH13300–3800 MHz≥ 80 dB
CH21920–1980 MHz≥ 80 dB
CH22496–2690 MHz≥ 80 dB
CH23300–3800 MHz≥ 80 dB
CH31920–1980 MHz≥ 80 dB
CH32110–2170 MHz †≥ 80 dB
CH33300–3800 MHz≥ 80 dB
CH41920–1980 MHz≥ 80 dB
CH42110–2170 MHz †≥ 80 dB
CH42496–2690 MHz≥ 80 dB

Return loss is calculated from VSWR ≤ 1.3: RL = −20 log10((VSWR−1)/(VSWR+1)) ≈ 17.7 dB.

On CH3 and CH4 the source repeated 1920–1980 MHz and omitted 2110–2170 MHz. Rows marked † are completed at the same ≥80 dB used on the other ports.

Source file: 四端口合路器规格7.15.docx