The TOA Wireless Tuner Module WTU-4800 is a PLL-synthesizer controlled double superheterodyne diversity tuner module designed to be used in conjunction with UHF wireless equipment. It employs a compressor-expander system noise reduction circuit to minimize the influence of ambient RF noise.

Specifications:

• Power Requirement: 7 - 12 V DC
• Current Consumption: 100 mA
• Receiving Frequency: 576 - 865 MHz (*2), UHF
• Receiving System: Double super-heterodyne
• Receiving Sensitivity: 80 dB or more, Signal to Noise Ratio (20 dBμV input, 40 kHz deviation)
• Antenna Input Impedance: 75 Ω
• Diversity System: Space diversity
• Channel Selectable: 16 channels
• Squelch System: Noise SQ
• Squelch Sensitivity: 17 dBμV
• Output: 0 dB (*1) (maximum deviation, 2.2 kΩ load)
• Harmonic Distortion: 1% or less
• Frequency Response: 100 Hz - 12 kHz, ±3 dB
• Operating Temperature: -10 ° C to +50 ° C (14 F° to 122 F°)
• Operating Humidity: 30 % to 85 %RH (no condensation)
• Finish: Surface-treated steel plate
• Dimensions: 60 (W) x 25 (H) x 139 (D) mm (2.36" x 0.98" x 5.47")
• Weight: 130 g (0.29 lb)
• Accessory: Driver for channel changing x 1