| ICRI Ordering/Part No.: |
500.9250 with single talk group; 500.9260 with two talk groups for all ports with external control switches |
| RX Audio Input |
| Input Impedance: |
Unbalanced, 80 ohms nominal. |
| Input level: |
-32 dBm to + 12 dBm, no adjustment required. |
| Frequency Response: |
280 Hz to 3400 kHz + 2dB. |
| VOX Attack Time: |
Less than 2 ms, nominal, for typical speech. |
| VOX Threshold: |
Adjustable -32 to -6 dBm. |
| VOX Hang Time (Tail Time): |
Adjustable 0.5 to 2 seconds. |
| VOX Timeout Timer: |
Adjustable 30 to 90 seconds. |
| TX Audio Output |
| Output Impedance: |
Unbalanced, 1000 ohms nominal. |
| Output Level: |
-40 to -18 dBm, adjustable. |
| Frequency Response: |
280 to 3400 Hz + 2dB |
| Audio Delay: |
Both nets, individually adjustable; 0, 50, 100,150, 200, 250, 300, 350, 400 and 500 ms. |
| PTT Output |
| Output Type: |
Dual, (a) open drain; (b) open drain shunting 6.65 K control resistor (Motorola Saber/AstroSaber compatibility). |
| Polarity: |
Active low. |
| Maximum Sink Current: |
200 mA. |
| Maximum Open Circuit Voltage: |
+ 60 vdc. |
| Acoustic Coupler Interface |
| Compatibility: |
C-AT part no. 179.0655, with electret microphone. |
| VOX Attack Time: |
Less 2 ms, nominal, for typical speech |
| VOX Hang Time: |
Adjustable 0.5 to 2 seconds. |
| VOX Timeout Timer: |
Adjustable 30 to 90 seconds. |
| Cellular/Auxiliary Input |
| Input Type: |
Unbalanced |
| Input Range/VOX Threshold: |
-50 to +10 dBm, adjustable. |
| VOX Attack Time: |
Less 2 ms, nominal, for typical speech |
| VOX Hang Time: |
Adjustable 0.5 to 2 seconds. |
| VOX Timeout Timer: |
Adjustable 30 to 90 seconds. |
| Output Type: |
Unbalanced. |
| Output Range: |
-40 to +3 dBm, adjustable. |
| Handset |
| Compatibility: |
C-AT part number 280.0125 handset with noise canceling electret microphone and PTT bar. |
| Handset Volume Control: |
70 dB range. |
| Initiation: |
PTT bar. |
| General/Environmental |
| Controls: |
Guarded, power on/off switch; switches (7), handset volume control., Talk Group1/OFF/Talk Group 2 (ICRI 500.9260 only) |
| Indicators: |
Power "OK" LED, power "LOW" LED, channel active LEDs (7). |
| Connectors: |
Positive lock, Radio channel I/O (5), Coupler/Cellular/auxiliary input connector, handset connector, power connector. |
| DC Input Power: |
+6.5 to + 20 VDC @ 0.15A maximum. |
| AC Input Power |
115 to 230 VAC + 15%, 47-63 Hz, 3 VA maximum (with 320.0431 AC adapter). |
| Weight: |
3.3 lbs. (1.5 kg), without adapters and accessories. |
| Size: |
3.5 X 10.0 X 7.0" (HWD) (8.9 X 25.4 X 17.8 cm), excluding control panel connectors/switch protrusions. |
| Temperature: |
Operating: -20 to +60 degrees C; storage: -40 to +85 degrees C. |
| Humidity: |
Up to 95% @ 55 degrees C. |
| Shock: |
Suitable for mobile and portable environments. |
| Vibration: |
Suitable for mobile and vehicular environments |
| Provide product support for 10 years after last unit being purchase from this IFB. |
