Cavity Bandpass Filter 880–915 MHz

Electrical specification

Passband	880–915 MHz
Bandwidth	35 MHz
Insertion loss	≤ 1.5 dB
Ripple	≤ 1.2 dB
VSWR	≤ 1.3
Return loss	≥ 17.7 dB
Power	≥ 50 W
Connector	N male or N female, specify on the order
Temperature	−30 °C ~ +70 °C
Impedance	50 Ω
Outline	88 × 88 × 45.5 mm
Finish	Aluminum cavity, conductive oxidation, natural; black on request
Low-PIM option	PIM3 ≤ −150 dBc @ 2×43 dBm

Rejection and isolation

Port	Band	Limit
—	300–400 MHz	≥ 70 dB
—	500–600 MHz	≥ 70 dB
—	703–748 MHz	≥ 70 dB
—	925–960 MHz	≥ 70 dB
—	1400–3500 MHz	≥ 20 dB

The source sheet gave insertion loss and ripple without a symbol. This revision states them as maximum values (≤).

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

Source file: 880-915滤波器技术规格书.docx