| | Performance specifications are nominal unless otherwise specified and are subject to change without notice. |
| general frequency | 72-76 Mhz std. Other frequencies available | | operation mode | Simplex, Duplex or Repeating (model specific) | | channels | 136, FCC Authorized, Part 90 | | system hum & noise | -50 dB | | microphone | Electret 10 kOhm | | rf output | 100 mW, 50 Ohm | | spurious & harmonics | -50 dB | | modulation | 16K0F3E | | frequency stability | 0.005% @ (-30 C to +50 C) | | voice compressor | Attack, <1 ms; decay, 130 ms | | vox threshold | 6 dB below full modulation | | vox characteristics | Attack, <1 ms; delay, 750 ms | | current draw | 45 mA, ON; 3mA, standby (VOX) | | receiver circuit | Dual conversion, 1st IF frequency 10.7 Mhz, 4 pole quartz filter: 2nd IF 455 kHz, 4 pole ceramic filter | | sensitivity | 0.4uV for 20 dB quieting, 0.2uV for 12 dB SINAD | | modulation acceptance | 20kHz | | selectivity | -55dB @ 40 kHz from center frequency | | spurious & image | -47 dB | | intermod response | -70 dB | | frequency stability | 0.0005% @ (-30 C to +50 C) | | current draw | Approx. 15 mA |
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FEDERAL COMMUNICATION COMMISSION All Headsets have been type accepted and certificated by the FCC for operation in Part 90 (Private Land Mobile Services) in the 72-76 MHz band. All transmitters, including Repeater Stations operate in the 72-76 MHz band with a power of 100 mW and modulation characteristics 16K0F3E. Type approval numbers are located on each unit. FCC rules require licensing by the purchaser. Requests for application forms or information may be obtained from the FCC, Gettysburg, PA 17325. | |
