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| General Specifications |
| Description | 5" Cavity Tx Combiner |
| Channels | 3 |
| General Frequency | 148-160 MHz |
| Electrical Specifications |
| Tx/Tx Channel Spacing (kHz) min. | 150 |
| Tx/Tx Isolation (dBd) min. | 75 (80 typ.) |
| Tx/Rx Isolation (dBd) | 30 |
| Rx/Rx Isolation (dBd) | N/A |
| Ant/Tx Isolation (dBd) min. | 70 (75 typ.) |
| Tx/Rx Spacing | 5 |
| Tx Loss (dBd) | 3 |
| Rx Loss (dBd) | |
| Rx Loss (dBd) (No Amp) | |
| Rx Gain (dBd) (With Amp) | |
| Tx Return Loss (dBd) min. | 19 |
| Rx Return Loss (dBd) min. | N/A |
| Insertion Loss (Closest Ch/Ch Space) | 3.6 |
| Insertion Loss (Widest Ch/Ch Space) | 3 |
| Impedance (Ohms) | 50 |
| Gain (dBd) | N/A |
| Power/Ch. (CW) | 125 |
| Power/Ch.-100% duty cycle (watts) | N/A |
| Power/Ch.-40% duty cycle (watts) | N/A |
| Power/Ch.-28% duty cycle (watts) | N/A |
| Power/Ch.-20% duty cycle (watts) | N/A |
| Bandwidth | 12 |
| Power VDC | None |
| Power VAC | None |
| VSWR | 1.25:1 |
| Dimensions |
| Cavity Size | 5 in (127 mm) |
| Depth | 12.5 in (318 mm) |
| Width | 19 in (483 mm) |
| Height | 26 in (660.4 mm) |
| Net Weight | 26 lb (11.79 kg) |
| Mechanical Specifications |
| Construction | Aluminum |
| Finish | Black |
| Standard Mounting | 19" Rack |
| Input Connector | N Female |
| Output Connector | N Female |
dbSpectra products are proudly designed & constructed in the USA.
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