Radioddity Extended manual for Radioddity DB25-D, DB40-D & GD-88 v3.0
© Radioddity 2023 page 26 of 252
4. With the rotatable fixed point on the left and right sides of the Mounting
Bracket, it can tilt the main body at an appropriate angle.
Notes: The backside of your radio may become really hot. Please make provisions
that sufficient air can circulate and that the backside is never been touched
by anyone.
5.1.2 Radioddity DB25-D Antenna connection
Before operation, you must first install a properly matched antenna for the
optimal transmit coverage. The radio will have best performance if the
appropriate antenna is properly installed. A low loss coaxial feeder line with 50 Ω
impedance is used to match the input impedance of the radio. If the transmission
impedance of the feeder line is less than 50 Ω the antenna connection will reduce
the effectiveness of the antenna system, and will cause interference to the nearby
radio and television receivers, radio receivers and other electronic devices, and
even damage the radio.
Notes: If transmitting without an antenna or other matched load line, it could
damage the Radioddity DB25-D. The antenna must be connected to the radio
before transmitting. All base stations should be equipped with lightning
arrester to reduce the risk of fire, electric shock, or radio damage.
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