| Operating Frequencies | 512.000 - 537.500 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 |
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