Radioddity Extended manual for Radioddity DB25-D, DB40-D & GD-88 v3.0
© Radioddity 2023 page 13 of 252
16.5 Simplex digital DMR operation with a Single-HAT hotspot ............................ 218
16.6 Duplex digital DMR operation with a Dual-HAT hotspot ............................... 219
16.7 Digital DMR operation with digital repeater ................................................... 221
17 Connectivity ............................................................................................. 223
17.1 Power connector of DB25-D and DB40-D ........................................................ 223
17.2 Battery connector of GD-88 ............................................................................... 223
17.3 HF Antenna connector ........................................................................................ 223
17.4 GPS antenna connector of DB25-D and DB40-D ............................................ 224
17.5 K1 connector of DB25-D and GD-88 ................................................................. 224
17.6 RJ45 Speaker-Microphone connector of DB25-D and DB40-D ...................... 224
18 Technical specifications ......................................................................... 225
18.1 General specifications of the DB25-D ............................................................... 225
18.2 Receiver of the DB25-D ....................................................................................... 226
18.3 Transmitter of the DB25-D ................................................................................. 226
18.4 General specifications of the DB40-D ............................................................... 227
18.5 Receiver of the DB40-D ....................................................................................... 227
18.6 Transmitter of the DB40-D ................................................................................. 228
18.7 General specifications of the GD-88 ................................................................. 229
18.8 Receiver of the GD-88 ......................................................................................... 229
18.9 Transmitter of the GD-88 ................................................................................... 230
19 Certification ............................................................................................. 231
19.1 CE certificate for DB25-D ................................................................................... 231
19.2 FCC part 90 approval for DB25-D ..................................................................... 232
19.3 CE certificate for DB40-D ................................................................................... 233
19.4 CE certificate for GD-88 ...................................................................................... 239
19.5 FCC part 90 approval for GD-88 ....................................................................... 243
20 Common problems and how to solve them ......................................... 245
21 Where to find support material ............................................................ 251
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