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| Part Number | BK-747E | BK-21E | BK-2005E | BK-2028E | BK-2021N |
| Manufacturer | Microlab | Microlab | Microlab | Microlab | Microlab |
| Series | - | - | - | - | - |
| Package/Case | Module | Module | Module | Module | Module |
| Packaging | Tape & Box (TB) | Tape & Box (TB) | Tape & Box (TB) | Tape & Box (TB) | Tape & Box (TB) |
| Product Status | Active | Active | Active | Active | Active |
| Type | Diplexer | Diplexer | Diplexer | Diplexer | Duplexer |
| Frequency Bands (Low / High) | 1.695GHz ~ 1.78GHz / 2.11GHz ~ 2.36GHz | 80MHz ~ 2.17GHz / 2.4GHz ~ 2.5GHz | 1.71GHz ~ 1.735GHz / 2.16GHz ~ 2.18GHz | 698MHz ~ 803MHz / 2.5GHz ~ 2.7GHz | 808MHz ~ 810MHz / 853MHz ~ 855MHz |
| Low Band Attenuation (min / max dB) | - | - | - | - | - |
| High Band Attenuation (min / max dB) | - | - | - | - | - |
| Return Loss (Low Band / High Band) | - | - | 20.0dB / 20.0dB | - | 20.0dB / 20.0dB |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount |
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