| Operating frequencies (MHz): |
Block 21 537.600 - 563.100
Block 22 563.200 - 588.700
Block 23 588.800 - 607.900
614.100 - 614.300
Block 24 614.400 - 639.900
Block 25 640.000 - 665.500
Block 26 665.600 - 691.100
Block 27 691.200 - 716.700
Block 28 716.800 - 742.300
Block 29 742.400 - 767.900
Block 944 944.100 - 951.900
|
| Frequencies Channels per block): |
256
|
| Channel spacing: |
100 kHz (0.1 MHz)
|
| Spurious & Harmonic Suppression: |
37 dBc above 1 GHz
|
| Frequency Stability: |
±.001% (10 ppm) @ 25ºC
|
| Temperature Stability: |
±.001% (10 ppm) from -30º C to +50º 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 ClearCom, 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 ClearCom
|
| 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 pushbuttonswitch
|
| Rear Panel Controls: |
Input Mode Select, 4 section DIP switch
|
| Weight: |
9oz
|
| Size: |
5.25” long (including connectors) x 3.25” wide x 1.25” high
|
| 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. |
