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Telewave Inc TWR8-150-1R-12

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132-174 MHz 8 Channel Receiver Distribution Panel 1RU, 12VDC, N-Female Connector
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Item SKU Number:  480192
Made in:  USA 
FCA point / Shipped from:  USA 
 Download Free Materials:
  
Adobe Acrobat Reader Telewave-TWR8-TWR16-1R-series-receiver-panels.pdf (150.50 KB)
 Item Details:


Telewave TWR8, TWR16 -1R Series Compact Receiver Panels

Telewave Compact Receiver Distribution Panels are designed to connect multiple receivers to a single antenna. This setup minimizes costs and reduces the load on towers while ensuring reliable signal quality, output isolation, and enhanced output levels. A standard receiver distribution panel is equipped with a power supply, an inline low-noise preamplifier, and either one or two 8-way splitters mounted on a 19-inch tray. The preamplifier boosts the system gain by up to +18 dB to compensate for losses due to splitting and cable lengths.

The Telewave 1R panels offer full functionality within a compact 1RU space. Initially configured with 8 channels, these units can be upgraded to 16 channels in the field by adding an extra 8-channel splitter. To prevent interference, all components within the receiver panel are fully shielded. Moreover, each panel has enough bandwidth to cover an entire commercial or Public Safety frequency band. These new panels can be seamlessly integrated with existing setups without the need for extra components or adjustments.

To ensure optimal performance, it is often necessary to include some filtering between the antenna and the receiver panel. Telewave produces a variety of high-quality preselector systems for both transmitters and receivers. The receiver panels from Telewave utilize premium splitters, offering 8 or 16 consistent 50-ohm outputs from a single input, with an impressive 25 dB isolation between each output. The input at the antenna is fine-tuned with a matching network to maintain a balanced input signal.

The custom-designed power supply in these units allows for both AC and DC power sources. The internal DC input circuitry permits a range of external DC voltages from +11.5 VDC to +15 VDC while maintaining a stable DC output voltage. This stability is crucial for the preamplifier to deliver consistent gain, maintain its 1 dB compression point, and uphold its 3rd order intercept point.

The versatility of the design makes it ideal for use with battery sources, solar panels, and thermal generators. An external DC-DC converter enables operation with DC inputs as low as +9.5 VDC.

Standard shipments of the 1R series include an inline low-noise bipolar preamplifier (TT models being the exception). There are additional options available, such as PHEMT preamps for a lower noise figure, high 3rd order intercept preamps suitable for RF-dense environments, redundant preamps for enhanced reliability in remote locations, and broadband preamps that accommodate multi-band operations.

List of Models:

Model Frequency Range Ports Bandwidth
TWR8-030-1R, RA 30-88 MHz 8 58 MHz
TWR8-050-1R, RA 50-512 MHz 8 400 MHz
TWR8-150-1R, RA, RTT 118-174 MHz 8 42 MHz
TWR8-250-1R, RA, RTT 216-250 MHz 8 42 MHz
TWR8-350-1R, RA, RTT 300-400 MHz 8 40 MHz
TWR8-450-1R, RA, RTT 400-512 MHz 8 40 MHz
TWR8-760-1R, RA, RTT 763-824 MHz 8 40 MHz
TWR8-860-1R, RA, RTT 806-960 MHz 8 40 MHz
TWR16-030-1R, RA 30-88 MHz 16 58 MHz
TWR16-050-1R, RA 50-512 MHz 16 400 MHz
TWR16-150-1R, RA, RTT 118-174 MHz 16 42 MHz
TWR16-250-1R, RA, RTT 216-250 MHz 16 42 MHz
TWR16-350-1R, RA, RTT 300-400 MHz 16 40 MHz
TWR16-450-1R, RA, RTT 400-512 MHz 16 40 MHz
TWR16-760-1R, RA, RTT 763-824 MHz 16 40 MHz
TWR16-860-1R, RA, RTT 806-960 MHz 16 40 MHz
RA: 0-10 dB step attenuator
RTT: 1 amp meter movement & DC injector to power Tower Top Preamp

Specifications:

Impedance / VSWR (typ): 50 ohms / 1.3:1
Isolation port to port (min / typ.): 30-174 MHz: 20 dB / 25 dB
216-960 MHz: 25 dB / 30 dB
System gain (factory adj.): 8 ch.
30-760 MHz: 0-18 +/-1 dB
760-960 MHz: 0-12 +/-1 dB

16 ch.
30-760 MHz: 0-15 +/-1 dB
760-960 MHz: 0-8 +/-1 dB
Noise figure (max): 2.5 dB
Third-order intercept (typ): +36 dBm
Intermodulation (typ): -130 dB for -30 dBm input
Temperature range: -40°C to +60°C
Power requirements: AC: 120 VAC (std.) 220/240 VAC (opt.)
DC: +11.5 to +15 VDC (regulated output), +12 to +24 VDC (direct to preamp)
Connectors: Input - N Female
Output - N or BNC Female (opt.)
Dimensions (HWD): 1.75 in x 19 in x 11 in
4.5 cm x 48.3 cm x 27.9 cm
Weight: 8 ch - 6.5 lb / 3.0 kg
16 ch - 8.5 lb / 3.9 kg

Notes:

1. All unused ports should be terminated with a 50-ohm load. The TWL-01 RF terminator is recommended for this purpose.
2. Panel gain is measured from the input port to any output port and is factory-adjusted based on specific system requirements. If not specified, the standard gain is set to 6 dB.
3. Tuning range and bandwidth depend on the frequency band and system components.
4. Exact frequencies and system gain must be provided when placing an order.


Note:

For detailed specifications on this item, download Telewave Large Product Brochure (the link is below). Bulky items may incur higher shipping charges, please inquire before ordering.


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 Manufacturer's Catalogs and Guides:

These files contain information about the available products from the manufacturer. If you need something that is not on our website, please contact us. We will help you purchase the desired product at a low price.

Telewave Product Catalog
Telewave Large Product Brochure

An illustrated catalog featuring specifications and graphs of RF products.
Telewave All Products 2023
Telewave All Products List

Browse a list of all the RF products that are available in 2023.


Telewave logoTelewave Inc. designs and manufactures high quality RF system products. It serves wireless system operators, public safety providers, local and state governments, and federal agencies in the United States and internationally. The company was founded in 1972 and is based in San Jose, California. Telewave strives to be the premier supplier of seamless interoperable communication systems that provide security and reliability in mission critical eco-systems for both commercial and military applications worldwide. Telewave products are used by more than 7,500 equipment and network manufacturers and government agencies throughout the world.





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