Operating Frequencies | 665.600 - 691.100 MHz |
Frequency Adjustment Range | 25.5 MHz (in 100 kHz steps) |
Channel Separation | 100 kHz |
Receiver Type | Dual conversion (superheterodyne) |
IF Frequency | Channel 1: 248.450 MHz and 350.000 kHz Channel 2: 243.950 MHz and 250.000 kHz |
Frequency Stability | ±0.001% |
Bandwidth | 26 MHz at -3 dB (front end bandwidth) |
Sensitivity | 20 dB SINAD: 1.0 uV (-107 dBm) A weighted 60 dB Quieting: 2.2 uV (-100 dBm) A weighted |
Squelch Quieting | >100 dB (typical) |
AM Rejection | >60 dB (4 uV to 1 V) |
Modulation Acceptance | 85 kHz |
Image & Spurious Rejection | 85 dB |
Third Order Intercept | 0 dBm |
Diversity Method | SmartDiversity phased antenna combining or Ratio Diversity using both receivers for a single audio channel |
FM Detector | Digital Pulse Counting Detector operating at 250 and 350 kHz |
RF Spectrum Analyzer | Coarse and fine scanning modes for RF spectrum site survey |
Antenna Inputs | 50 ohms (SMA female connectors) |
Audio Outputs | Interchangeable D connector adapters for camera slot interfaces Dual TA3 male (mini XLR) balanced output adapter Balanced output adapter with fixed cables Two additional balanced audio outputs (standard TA5M 5-pin connector) |
Front Panel Audio Output | Front panel TA5M with two balanced outputs |
Audio Output Level | Adjustable -50 to +5 dBu in 1 dB steps (unbalanced output is 6 dB lower) |
Audio Channel Crosstalk | -80 dB or better |
Front Panel Controls and Indicators | Sealed panel with membrane switches LCD monitors pilot tone Antenna phase Receiver battery level Transmitter battery status Audio level RF level |
Audio Test Tone | 1 kHz (±5 dBu balanced output); 1% THD |
Transmitter Battery Type Selection | 9V alkaline 9V lithium AA alkaline AA lithium NiMH |
Phase Invert | Audio output phase normal or inverted |
SmartNR (Noise Reduction) | Off, Normal and Full modes (Available in Digital Hybrid mode only) |
Audio Performance (Overall System) | Frequency Response: 32 Hz to 20 kHz (±1 dB) THD (System): 0.3% typical in Digital Hybrid mode THD (400 Series Mode): 0.2% typical Signal-to-Noise Ratio: 95 dB or better (overall system, Digital Hybrid mode) Input Dynamic Range: 95 dB (with full Tx limiting) |
Rear Panel Controls | XLR audio output jack External DC input Battery compartment access |
Power | DC 6 - 18V (1.4W) |
Current Consumption | 90 mA at 18 VDC 120 mA at 12 VDC 195 mA at 7.2 VDC 210 mA at 6 VDC |
Runtime with SRBATTSLED Adapter | 7.2V (2200 mA) "L" style battery will typically provide about 11 hours of operation |
Battery Level Indicator | LCD display with "bottle" icon and timer readout |
Operating Temperature | -4 to 122°F (-20 to 50°C) |
Dimensions (WxHxD) | 2.7 x 0.7 x 3.5" (68 x 18 x 89 mm) |
Weight | 6.9 oz (195 g) with SRaEXT adapter |