Products Lineup

Data Library

Here, TOA’s Data Library equipped with a search engine offers its CAD drawings made out in pdf and dwg forms, EASE data, specification sheets, brochures, instruction and installation manuals, and a wealth of other product data for your downloading.


WTU-3800 VHF Wireless Tuner Unit



The TOA Wireless Tuner Module WTU-3800 is a PLL-synthesizer controlled double superheterodyne diversity tuner module designed to be used in conjunction with VHF wireless equipment. It employs a compressor-expander system noise reduction circuit to minimize the influence of ambient RF noise.

* 0 dB = 1 V
Power Source 7 - 12 V DC
Current Consumption 100 mA
Receiving Frequency 169 - 216 MHz, VHF
Receiving System Double super-heterodyne
Receiving Sensitivity Better than 80 dB, Signal to Noise Ratio (20 dBμV input, 40 kHz deviation)
Antenna Input Impedance 75 Ω
Diversity System Space diversity
Channel Selectable 6 ch
Squelch System Using together of noise SQ and carrier SQ
Squelch Sensitivity 18 dBμV
Output 0 dB* (maximum deviation, 2.2 kΩ load)
Harmonic Distortion 1%%% or less
Frequency Response 100 Hz - 12 kHz, ±3 dB
Operating Temperature -10℃ to +50℃
Operating Humidity 30 % to 85 %RH (no condensation)
Finish Surface-treated steel plate
Dimensions 60 (W) × 25 (H) × 139 (D) mm
Weight 130 g
Accessory Driver for channel changing……1
  • Contact Us
  • A&E Specification Download
  • TOA UHF Wireless Microphone System
  • SounDoh WIKISound tips: text version
  • SounDoh VIDSound tips: video or animation version

Top of the Page