Towertop Preamps/Preselectors
TOWER TOP PREAMPLIFIERS AND PRESELECTORS
Tower Top Preamplifiers and Preselectors are housed in a NEMA 4 standard weather-proof housing.
Dimensions are 20" H x 16" W x 10" D unless noted. Pricing may vary depending on filtering requirements.
Custom filters such as additional notch bands are available on request.
| MODEL | DATA SHEET | DESCRIPTION | FREQ. RANGE | MADE IN USA | |||
|---|---|---|---|---|---|---|---|
| TTPA-3544 | 2017 | Tower Top Preamplifier. 2 MHz BW Preselector with four 4" High-Q cavities. >35dB attenuation at +/-10 MHz. NEMA 4 std. enclosure. | 300-400 MHz | YES | |||
| TTPA-3548 | 2017 | Tower Top Preamplifier. 4 MHz BW Preselector with eight 4" High-Q cavities. >80dB attenuation at +/-10 MHz. NEMA 4 std. enclosure. | 300-400 MHz | YES | |||
| TTPA-4544 | 2009 | Tower Top Preamplifier. 2 MHz BW Preselector with four 4" High-Q cavities. >35dB attenuation at +/-10 MHz. NEMA 4 std. enclosure. | 400-512 MHz | YES | |||
| TTPA-4548 | 2009 | Tower Top Preamplifier. 4 MHz BW Preselector with eight 4" High-Q cavities. >80dB attenuation at +/-10 MHz. NEMA 4 std. enclosure. | 400-512 MHz | YES | |||
| TTPA-4576* | Tower Top Preamplifier. Dual window Preselector with 2 UHF Combline filters crossband-coupled to a 15 MHz Combline filter in the 763 - 869 MHz band.NEMA 4 enclosure. 24" H x 20" W x 12" D. |
400-512 MHz 763-869 MHz |
YES | ||||
| TTPA-4586* | 2022 | Tower Top Preamplifier with dual window Preselector. Housed in NEMA 4 std. enclosure. | 400-512 MHz | YES | |||
| TTPA-45215-2 | 2009 | Tower Top Preamplifier. 4 MHz BW. Includes 2 UHF Combline Preselectors in multi-window configuration. NEMA 4 enclosure. 24" H x 20" W x 12" D. |
400-512 MHz | YES | |||
| TTPA-8626 | 2014 | Tower Top Preamplifier. Includes Combline Preselector with 10, 15, or 20 MHz bandwidth. NEMA 4 enclosure. 16" H x 8" W x 6" D |
806-960 MHz | YES | |||
| TTPA-8644 | 2014 | Tower Top Preamplifier. 5 MHz BW Preselector with four 4” High-Q cavities. >35dB attenuation at +/- 10 MHz. NEMA 4 std. enclosure. | 806-960 MHz | YES | |||
| TTPA-8648 | 2014 | Tower Top Preamplifier. 5 MHz BW Preselector with eight 4" High-Q cavities. >80dB attenuation at +/- 10 MHz. NEMA 4 std. enclosure. | 806-960 MHz | YES | |||
| TTPA-8690 | 2022 | Tower Top Preamplifier with dual window Preselector. Housed in NEMA 4 std. enclosure. | 806-821 MHz 896-902 MHz |
YES | |||
| TTPA-8926B-A | Cellular Tower Top Preamplifier with dual window Preselector. Passes A-band, notches B-band. NEMA 4 std. enclosure. | 824-835 MHz 845-847 MHz |
YES | ||||
| TTPA-8926B-B | Cellular Tower Top Preamplifier with dual window Preselector. Passes B-band, notches A-band. NEMA 4 std. enclosure. | 835-845 MHz 847-849 MHz |
YES | ||||
| TTPA-8928 | Cellular Tower Top Preamplifier with Combline Preselector. 26 MHz bandpass. Housed in NEMA 4 enclosure. 16" H x 8" W x 6" D | 824-849 MHz | YES | ||||
| TTBS-4586 | 2032 | Tower Top Base Power Supply (Required for Tower Top Amps) | YES | ||||
| TTBS-4586A | 2032 | Tower Top Base Power Supply with Current Alarm Circuit | YES | ||||
| TTBS-4586AB | 2032 | Tower Top Base Power Supply w/ Current Alarm Circuit and Step Attenuator | YES | ||||
* 4576 / 4586 - Typical configuration. Other filtering options available depending on requirements.