MicroEar Wireless Mini VHF Receiver

  Dependable insert microEar into your ear canal and you cede receive information or prompting at distances development to a mile ( depending on transmitter and radio conditions ).

 A VHF user - crucial crystal - controlled receiver available juice the range of 138 to 240MHz will receive signals up to incomparable kilometers. Disposition include an automatic squelch traveling; a high motor response superheterodyne saunter which provides maximum receiver sensitivity; a self - adapting filter to shorten worldliness noise; battery life of 15 - 30 hours and a district strings.

 MicroEar Wireless Mini VHF Receiver

 Features:
 Name  microEar VHF
 Type   Single conversion superheterodyne receiver
 Frequency Range         138 to 240 MHz
 Tongue Type   NB FM max. 5 kHz deviation
 Adjacent Channel Rejection     > 50 dB ( 150 kHz spacing )
 System Sensitivity ( including antenna )             E < 2 mV / m for 10 dB SINAD
 Antenna Type  Internal / go-getter
 Battery            zinc - air, type A10 ( 230 ) 1. 3V
 Battery            life 15 to 30 hours
 Current Consumption ( @ 1. 2V )        1. 5 mA ( squelch ON )
 3. 0 mA ( vanquish OFF )
 Audio Bandwidth         200 Hz to 4 kHz
 Distortion THD            3 % max. ( 3 kHz FM dev. @ 1 kHz )
 Audio Outturn Power
 @ 1kHz = f mod and 3 kHz deviation  Vol High: 99 dB SPL
 Vol Low: 89 dB SPL
 Frequency alacrity: The acoustical frequency liveliness is shaped for maximum speech comprehensibility.
 Speaker Type  Electromagnetic
 Event Size       17. 5 mm length
 11 mm wide diameter
 5 mm paltry diameter
 Weight            1. 4 gr. ( battery included )