OPTIMAL CONNECTIVITY offers filters, duplexers and combiners for TETRA applications are ensuring a high level of reliability and operational safety in TETRA networks.
TETRA is using typically the following bands 380-400 MHz, 410-430 MHz and 450-470MHz or private 5G/LTE bands.
| TETRA | Picture | Frequency Band (MHz) | Insertion Loss (dB) | Isolation (dB) | Connector | Power |
|---|---|---|---|---|---|---|
| 2:1 Same-Band TETRA Combiner |  | 380-400MHz 410-430MHz 450-470MHz | ≤3.7 dB | ≥45 dB | 3x N-Female | 50W (45 dBm)x2 |
| 4:1 Same-Band TETRA Combiner |  | 380-400MHz 410-430MHz 450-470MHz | ≤7 dB | ≥45 dB | 5x N-Female | 50W (45 dBm)x2 |
| TETRA Duplexer |  | RX 300-310 TX 336-346 RX 350-355 TX 360-365 RX 355-360 TX 365-370 RX 380-385 TX 390-395 RX 385-390 TX 395-400 RX 410-415 TX 420-425 RX 415-420 TX 425-430 RX 450-455 TX 460-465 RX 455-460 TX 465-470 RX 413-418 TX 423-428 RX 351-356 TX 361-366 RX 412-417 TX 422-427 | ≤3.7 dB | ≥45 dB | 2x N-Female 1x SMA-Female | ≤130W(avg.)@TX to Port 520W(peak) ≤2W(avg.)@RX to Port 520W(peak) |
| TETRA Filter |  | 300-310 350-355 355-360 380-385 385-390 410-415 415-420 450-455 455-460 413-418 351-356 412-417 | ≤1.1 dB | ≥55 dB@ upper stopband ≥80 dB@71.85MHz ≥55 dB@ RX Freq+143.7MHz | 1x N-Female 1x SMA-Female | ≤2W @RX to Port 520W(peak) |