Clear-Com PTX3-21 UHF IFB Transmitter Base Station Frequency Block 21

PTX3-21 - Overview

• Features:

  • UHF wireless IFB Transmitter basestation
  • Operate between 486.4 and 639.9MHz
  • Stand alone or rack mountable with the PRK-2 kit
  • Selectable Low-Frequency roll-off
  • "Locked" setting prevents accidental changes
  • Overcomes channel noise and compandor artifacts
  • Tough machined aluminum case housing
  • 
    NOTE: This product is not approved for sale in Europe.
   

• Specifications:

  • Operating Frequencies
  • 486.4 to 639.9MHz
  • Block 19: 486.4 to 511.9 MHz
  • Block 21: 537.6 to 563.1 MHz
    
    Frequencies Channels (per block)
  • 256
    
    Channel spacing
  • 100kHz (0.1MHz)
  • Spurious & Harmonic Suppression: 37dBc above 1GHz
  • Frequency Stability: ±.001% (10 ppm) @ 25§C
  • Temperature Stability: ±.001% (10 ppm) from -30§C to +50§C
  • Channel Selection: Momentary pushbutton switches, TUNE UP and Down
  • Compatibility Modes: IFB, Digital Hybrid Wireless; 400 Mode, 200 Mode, 100 Mode, Mode 3, Mode 6
  • Pilot Tone: 29.997 kHz IFB Mode, 32.765kHz; 200 Mode, 400 Mode step selected, 32.768kHz Mode 6
  • Modulation: FM, ±20 kHz deviation IFB & 100 Mode, ±75kHz 200 & 400 Mode, ±50kHz Mode 3 and Mode 6
  • Audio Frequency Response: 100 Hz to 8 kHz, ±1 dB, IFB MODE system response (see Rolloff), 30Hz to 20kHz ± 1dB, 200 & 400 MODE system response (see Rolloff)
  • Rolloff: Low frequency audio rolloff is Menu selectable for 3 dB down at 35 Hz or 50 Hz
  • Signal to Noise Ratio: 90 dB typical ("A" weighted)
  • RF Power Output: 250 mW (nominal)
  • Output Impedance: 50 Ohms
  • Audio Input Levels: 0 dBu for Line, RTS1 & RTS2, -10 dBu for Clear-Com, and -42 dBu mic dry inputs, +/-50VDC max
  • Audio Input Config: Balanced and Unbalanced, rear panel selectable for Line, Mic, RTS 1, RTS 2 and Clear-Com
  • Audio Input Impedance: Greater than 2 K balanced, greater than 1K unbalanced at any gain setting
  • Control Range: -18 dB to +24 dB (0 dB nominal center), software selectable
  • Audio Input Jack: Standard XLR female connector
  • Input Power: 12 to 14 VDC typical, 200 mA max; Max input range 6 to 18 VDC
  • Power Input Jack: Coax type, locking LZR RL26AE
  • Indicators: Backlit Liquid Crystal Display. Displays modulation meter, frequencies, modes, rolloff, audio level, and tuning groups
    
    Front Panel Controls
  • MENU momentary pushbutton switch
  • Power OFF-TUNE-XMIT, 3 position slide switch
  • Select Up momentary pushbutton switch
  • Select Down momentary pushbutton switch
  • Rear Panel Controls: Input Mode Select, 4 section DIP switch
    
    Weight
  • 9oz
    
    Dimensions
  • 5.25 (including connectors) x 3.25 x 1.25in (LxWxH)
  • Emission designator: 180KF3E
  • The T4 IFB transmitter is FCC type accepted under Part 74:470 -608MHz and 944.1 - 951.9 MHz
  • The FCC requires that the following statement be included in this manual:
  • This device complies with FCC radiation exposure limits as set forth for an uncontrolled environment. This device should be installed and
  • operated so that its antenna(s) are not co-located or operating in conjunction with any other antenna or transmitter. A separation distance of at least 20cm (8 inches) must be maintained to comply with the FCC Radio Frequency Maximum Permissible Exposure (MPE) requirements.
   

• GTIN:

  0787907535070