| { "System" : { "Modulation" : "Wideband FM", "Frequency Range" : { "A" : "548 to 572 MHz" }, "Switching Bandwidth" : "Up to 24 MHz", "Frequencies" : [ "Adjustable in 25-kHz steps", "8 frequency banks, each with up to 12 factory-preset channels" ], "Signal to Noise Ratio" : "= 103 dBA", "Total Harmonic Distortion (THD)" : "= 0.9%", "Temperature Range" : { "Operation" : "32 to 104°F (0 to +40°C)", "Storage" : "-4.0 to 158°F (-20 to +70°C)" }, "Transmitter Synchronization" : "2.4 GHz, low power OQPSK (only active during synchronization)" }, "Receiver" : { "Principle of Operation" : "Double superheterodyne", "Diversity Method" : "True diversity", "Sensitivity" : "< 3 μV at 52 dBA rms S/N at (peak deviation)", "Frequency Response" : "50 Hz to 16 kHz (-3 dB)", "Maximum AF Output Voltage" : { "At peak deviation, 1 kHz AF" : "", "1/4" (6.3 mm) Jack Socket (Unbalanced)" : "+6 dBu", "XLR Socket (Balanced)" : "+12 dBu" }, "Adjustment Range" : { "Audio" : "40 dB, adjustable in 5-dB steps" }, "Power Supply" : { "Nominal Input" : "100 to 240 VAC 50/60 Hz", "Input Current" : "200 mA (Max.)", "Nominal Output" : "12 VDC 300 mA" }, "Squelch" : "Adjustable from 3 dBμ V to 28 dBμ V (combined with pilot tone)", "Line/Mic Level" : "20 dB, switchable", "Housing Material" : "Rugged metal housing", "Dimensions (W x H x D)" : "7.9 x 1.7 x 5.0" (200 x 42 x 127 mm)", "Weight" : "24 oz (680 g)" }, "Transmitter" : { "RF Output Power" : "10 mW", "AF Frequency Response" : [ "50 Hz to 16 kHz (Line)", "80 Hz to 16 kHz (Mic)" ], "Audio Input" : "1/8" (3.5 mm) jack socket", "Input Voltage" : { "Maximum at 3% THD" : { "Mic" : "Typ. 1.5 V rms", "Line" : "Typ. 2.6 V rms @ -30 dB gain" }, "Power Supply" : "2 x AA size batteries, 1.5 V", "Operating Time" : "Approximately 10 hours", "Sensitivity Adjustment" : { "Range" : "0 to -30 dB, adjustable in 10-dB steps" }, "Housing Material" : "Rugged ABS housing", "Dimensions (W x H x D)" : "2.8 x 3.8 x 1.1" (71 x 96 x 28 mm) approximate", "Weight" : "3.4 oz (95 g) approximate" }, "Microphone" : { "Transducer Principle" : "Condenser, pre-polarized", "Sensitivity" : "20 mV/Pa", "Pickup Pattern" : "Omnidirectional", "Maximum SPL" : "130 dB", "Dimensions" : "Not specified by manufacturer", "Weight" : "Not specified by manufacturer" } } } |