Yaesu FT-4VR Operating Manual page 33

● Receiver
Circuit Type
Sensitivity
Selectivity (-6 dB/-60 dB) : FM, NFM ±25 kHz / 12.5 kHz
AF Output
Specifications are subject to change without notice, and are guaranteed within the 144
MHz amateur bands only. Frequency ranges will vary according to transceiver version;
check with your dealer.
Symbols placed on the equipment
Direct current
: Direct-conversion
: 0.2 μV for 12 dB SINAD (140 - 150 MHz, NFM)
: 800 mW (16 Ω for THD 10 % 7.4 V DC) internal
speaker
800 mW (16 Ω for THD 10 % 7.4 V DC)
external speaker
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