• 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.
  • All Towertop Preamps/Preselectors are Custom built, for a quote or sales order please complete the System Engineering Request Form.
MODEL (Click for Datasheet) DESCRIPTION FREQ. RANGE MADE IN USA
TTPA-3544 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 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 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 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* Tower Top Preamplifier with dual window Preselector. Housed in NEMA 4 std. enclosure. 400-512 MHz YES
TTPA-45215-2 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 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 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 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 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 Tower Top Base Power Supply (Required for Tower Top Amps) YES
TTBS-4586A Tower Top Base Power Supply with Current Alarm Circuit YES
TTBS-4586AB Tower Top Base Power Supply w/ Current Alarm Circuit and Step Attenuator YES

* 4576 / 4586 – Typical configuration. Other filtering options available depending on requirements.