Power supply:6-9.6 VDC (Battery pack) or 11-15.9 VDC (external) Current drain / power consumption:RX: 48-310 mA (GPS on adds an extra 115 mA) TX: 0.4-2 A Antenna impedance / connector:50 ohm / SMA Dimensions (W*H*D):56*120*34 mm (2.2*4.72*1.34"), with KNB-75L Weight:345...
Notes:You can find the serial number imprinted on the rear panel after removing the battery.; It consists of an 8-digit number beginning with "S/NO." :You can check the firmware version of your TH-D74A/E by accessing Menu No.991. The firmware version appears in the LCD display. Opera...