Radioddity DB25-D - FCC Part 90 Approval for GD-88

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Radioddity Extended manual for Radioddity DB25-D, DB40-D & GD-88 v3.0

19.5 FCC part 90 approval for GD-88

Below you find a copy of the FCC part 90 approval for our Radioddity GD-88

handheld radio.

Main Page

Table of Contents3
About Radioddity14
Disclaimer15
Revision History of this Document16
Product Safety and RF Exposure for Portable Radios17
Notes on the Use of the Radio17
Maintenance and Cleaning18
Maintenance18
Cleaning18
What Is in the Box19
Bill of Materials for Radioddity DB25-D19
Bill of Materials for Radioddity DB40-D21
Bill of Materials for Radioddity GD-8823
Prepare Radio for Operation25
Radioddity DB25-D Preparation25
Radioddity DB25-D Preparation and Mounting25
Radioddity DB25-D Antenna Connection26
Radioddity DB25-D Power Supply Options27
Mobile Operation27
Base Station Operation28
Replace Fuse29
Connect Speaker Microphone30
Radioddity DB40-D Preparation31
Radioddity DB40-D Preparation and Mounting31
Radioddity DB40-D Antenna Connection32
Radioddity DB40-D Power Supply Options33
Mobile Operation33
Base Station Operation34
Replace Fuse35
Connect Speaker Microphone36
Radioddity GD-88 Preparation37
Mount GD-88 Antenna37
Charge Radioddity GD-88 Battery Pack37
Install Radioddity GD-88 Battery Pack38
Install Radioddity GD-88 Hand Strap and Belt Clip38
Accessories Connection38
External Speaker/Headset and Microphone38
Radioddity DB25-D Speaker-Microphone39
Radioddity DB25-D Radio Controls39
Parts Description & Function Applications40
Left Side of DB25-D41
Rear Panel of DB25-D42
Speaker Microphone of DB25-D43
Radioddity DB40-D Speaker-Microphone44
Radioddity DB40-D Radio Controls44
Parts Description & Function Applications44
Rear Panel of DB40-D46
Speaker Microphone of DB40-D47
Radioddity GD-88 Radio Controls48
Radioddity DB25-D Display50
Radioddity DB40-D Display50
Radioddity GD-88 Display50
Status Icons51
Transmit / Receiving Icons53
LED Indicators53
Keypad Operations54
Keys and ENC (Channel Selector) Operation54
Main Functions Description55
Common Functions55
Analog Functions56
Digital Functions56
Using the Numeric Keypad57
Alphanumerical Input of Characters57
Programmable Function Keys57
Basic Operation58
Turning the Radio On/Off58
Adjust Volume58
Adjust Squelch58
Switch Vfos59
Busy Channel Lockout60
Wide/ Narrow Band60
DTMF for Analog Mode60
Ctcss / Dcs61
Channel Selection62
Switch between VFO and Channel Mode62
VFO Frequency Set62
Zone / Channel Selection63
Monitor63
Permanent Monitor63
Promiscuous Mode63
Repeater / Talk Around64
Emergency Alarm64
Scan On/Off65
Roaming on / off65
Pilot Tone / Burst Tone65
Using the Radio Menu66
Accessing the Menus and Operations67
Placing a PTT Call68
High / Low Power68
Select the Transmitting VFO68
Receive and Answer to a Digital Radio Call68
Initiate a Digital Radio Call70
Talker Alias70
Receive and Answer to an Analog Radio Call70
Special DMR Functions71
Remote Monitor71
Remote Kill71
Radio Detection71
Radio Revive71
Call Alert72
Gps72
Record72
Dtmf72
Encryption72
The Radio Menu Functions in Detail73
Contacts73
Contact List73
New Contact74
Manual Dial75
Ham Contacts75
Ham Group Contacts76
Message77
Network Support for Short Messages77
Createmsg78
Common Messages Commmsg78
Inbox79
Outbox80
Draftbox81
Call Log81
Dialed Calls (Dialednumbs)81
Received Calls82
Missed Calls83
Scan83
Scan List84
Scan Mode85
Roam Setting85
Precautions for Roaming88
Zones & Channel88
Local Set89
Language89
Keypadlock89
Backlight89
LED Indicator (Leds)90
Displaymode90
Vox91
Channel Sw92
Abrepeat92
Semirepeatermode93
Factory Reset94
Parameters95
Tot95
Power95
Slot/Repeat96
Sleep Mode97
Encryption (ENC Level)98
Squelch Level (SQ Level)98
Wide / Narrow Band (Bandwidth)98
Busy Channel Lockout (BCLO)99
Signaling99
CTCSS Phase Reverse (Ctcss Tail)100
Tone Set100
Profiles100
Key Tone (Keytone)101
Power Tone101
Message Tone (Msgtone)101
Private Call Ring Tone (Pcalltone)102
Group Call Ring Tone (G Call Tone)102
Alert Ring Tone (Alerttone)102
FM Call Tone / Power on Tone103
Appendix103
Gps103
FM Radio104
Time105
Dmr Dtmf106
Headset+Speaker / Handmic+ Speaker106
Aprs107
Bluetooth109
Record109
Device Info110
Channel Edit112
Prepare for Using the CPS114
Install Device Driver114
Install CPS115
Start CPS118
Special Functions119
Safe Factory Settings to a File119
Connect to the Radio119
Read Codeplug from DB25-D, DB40-D or GD-88120
Safe Codeplug to File (Safe As)121
Safe Codeplug to same File as before (Safe)121
Write Codeplug to DB25-D, DB40-D or GD-88121
Open Existing Codeplug122
Factory Reset122
Using the CPS to Make Changes to Your Settings124
Device Info124
Factory Number124
Serial Number125
Model Number125
Firmware Version125
Version Data125
Frequency Range125
The Latest Update125
Basic Parameters126
Radio Name126
Language126
Tot126
Busy Channel Lockout127
Vox127
VOX Sensitivity127
Power-Saving127
Power Saving Ratio128
Save Power Startup Time128
Scanmode128
End-Tone Types129
Squelch (A) Level129
Squelch (B) Level129
Radio ID130
Rolling Code130
Backlight ON/OFF130
Keylock130
Roaming131
Roaming Mode132
RSSI Set132
Connect Check Timer133
Connect Repeater Check Timer133
Connect Time133
Record Set134
Common Menus134
Prompt Tone135
Profiles135
SMS Prompt135
Private Call Tone135
Group Call Tone136
Roaming Restart Prompt136
Repeater Lock Prompt136
Keytone136
Keytone Volume136
Low Battery Alert Tone137
Low Battery Alert Volume137
Boot Ringtone137
Call Hang up137
Indicator138
All Indicators138
TX Indicator138
RX Indicator139
Scanning Indicator139
Low Battery Indicator139
Preset Keys (Programmable Function Keys)140
Long Press Duration140
Available Function for the Preset Keys141
MIC Gain143
MIC Gain 1 ON/OFF143
MIC Gain 1143
MIC Gain 2 ON/OFF143
MIC Gain 2144
Quick Msg144
DMR Service146
Remote Monitor Duration146
Remote Monitor Decode147
Remote Kill Decode147
Radio Detection147
Radio Revive148
Call Alert148
Group Call Hang Time148
Private Call Hang Time149
Import Delay149
DTMF Duration (On-Time)149
DTMF Interval (Off-Time)149
DTMF Volume150
DTMF Code150
Gps150
GPS Interval150
GPS Channel151
Mandown151
Mandown Interval151
Mandown Angle151
Mandown Alarm Duration151
Inactive Time151
Pre-Alarm Time152
Response Transmission Interrupt152
Scrambling Frequency152
Keylock Password On/Off152
Keypad Password152
Aprs152
Analog APRS153
Digital APRS153
Manual TX Interval[S]153
APRS Auto TX Intervals[S]154
Beacon154
Latitude (Degrees)155
Longitude (Degrees)155
TX Freq [Mhz]156
Tx Qt/Dqt156
Transmit Delay157
Prewave Time157
Transmit Power157
APRS Tone157
Destn SSID158
Destn Call Sign158
Your SSID158
Your Call Sign159
APRS Symbol Table159
APRS Map Icon159
APRS Signal Path161
Your Sending Text161
Report Channel161
Aprs Tg162
Report Slot162
Call Type163
Ptt163
Encryption163
Contacts164
Contact List164
Ham Contacts166
Ham Groups168
Digital Alarm List170
Scan List170
Scan List171
Talkback171
Scan TX Mode172
Appointed Channel172
Optional Channel172
Selected Channels172
RX Group173
Zone [Channel]174
Setup of Channels175
Import Channels from CSV-File175
Export Channels into CSV-File175
Add Channels176
Mode176
Name176
RX Freq177
TX Freq177
Power177
RX Only177
Alarm177
Prompt178
PCT (Private Call Type)178
Rx Ts178
Tx Ts179
DMR Use with a Simplex Hotspot179
RX CC (Color Code)179
TX CC (Color Code)180
Msg Type180
TX Policy180
RX Group181
Encryption List181
Scan List181
Contact181
EAS (Emergency Alarm System)182
Relay Monitor182
Relay Mode182
Crossband Analog to Analog182
Crossband Digital to Analog183
Crossband Analog to Digital185
Crossband/Crossmode Digital/Analog to Analog186
Crossband/Crossmode Analog/Digital to Digital187
Crossband Digital to Digital188
Same Frequency Repeater Digital to Digital189
Bandwidth190
CTCSS Sub Audio and DCS Signaling190
Supported CTCSS Frequencies190
Supported DCS Codes191
Supported DCS-I Values (Reverse DCS)191
Rx Sq192
Rx Qt/Dqt (Rx Ctcss/Dcs)192
Tx Sq192
Tx Qd/Dqt (Tx Ctcss/Dcs)193
Aprs193
Firmware Update194
Install Program for Firmware Update194
Perform Firmware Update194
White or Scrambled Screen after Firmware Update199
Update Failed199
Perform Flash Update200
Release Notes203
Firmware Release Notes for DB25-D204
DB25-D Firmware as of July 6 Th , 2023204
DB25-D Firmware as of November 23 Rd , 2022205
DB25-D Firmware as of October 25 Th , 2022205
DB25-D Firmware as of December 11 Th , 2021206
DB25-D Firmware as of September 2 , 2021206
Initial DB25-D Firmware as of May 12 Th , 2021206
Firmware Release Notes for DB40-D207
Initial DB40-D Firmware as of August 5 Th , 2023207
Firmware Release Notes for GD-88208
Firmware as of September 12 Th , 2023208
Firmware as of March 30 Th , 2023209
Firmware as of November 21 , 2022210
Firmware as of October 28 , 2022210
Initial GD-88 Firmware as of June 6 , 2022210
CPS Release Notes211
CPS Software as of August 1 , 2023211
CPS Software as of November 11 , 2022211
CPS Software as of October 20 , 2022211
CPS Software as of July 1 St , 2022212
CPS Software as of September 6 Th , 2021212
CPS Software as of August 17 Th , 2021212
Initial CPS Software as of June 1 St , 2021213
Quickstart for Common Use Cases214
Simplex Analog FM Operation with Other Station214
Duplex Analog FM Operation with a Local Analog FM-Repeater215
Analog FM Operation Including Analog APRS216
Simplex Digital DMR Operation with Other Station217
Simplex Digital DMR Operation with a Single-HAT Hotspot218
Duplex Digital DMR Operation with a Dual-HAT Hotspot219
Digital DMR Operation with Digital Repeater221
Connectivity223
Power Connector of DB25-D and DB40-D223
Battery Connector of GD-88223
HF Antenna Connector223
GPS Antenna Connector of DB25-D and DB40-D224
K1 Connector of DB25-D and GD-88224
RJ45 Speaker-Microphone Connector of DB25-D and DB40-D224
Technical Specifications225
General Specifications of the DB25-D225
Receiver of the DB25-D226
Transmitter of the DB25-D226
General Specifications of the DB40-D227
Receiver of the DB40-D227
Transmitter of the DB40-D228
General Specifications of the GD-88229
Receiver of the GD-88229
Transmitter of the GD-88230
Certification231
CE Certificate for DB25-D231
FCC Part 90 Approval for DB25-D232
CE Certificate for DB40-D233
CE Certificate for GD-88239
FCC Part 90 Approval for GD-88243
Common Problems and How to Solve Them245
Where to Find Support Material251

Radioddity DB25-D - FCC Part 90 Approval for GD-88

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