TIDRADIO TD-638
$
Tested
Great
Avoid
199
memories
Unknown
groups
Unknown
letters
10W
transmit power
6m2m1.25m70cm
IP67
MIL-STD-810
Design
Circuit
NOAA
NOAA alert
Broadcast FM
Airband
2500mAh
battery
charges from
cradleradioUSB-C
Antenna
USB-C
K1
Audio
DC input
D-STAR
DMR
System Fusion
NXDN
APRS
DPRS
KISS TNC
CHIRP
MicroSD
Full duplex
Cross-band repeater
Flashlight
Roger beep
Unlockable
Specifications
History
| Released | 30 Sep 2026 |
| Discontinued | No |
| Specifications reviewed and updated | September 10, 2026 |
Circuitry
| Design | Unknown |
| RX circuit | Unknown |
| Operation | |
Full duplex Cross band repeater | |
Receiver
| RX frequencies | 87-108 MHz; 108-136MHz; 136-174 MHz; 220-260 MHZ; 350-390 MHz; 400-520 MHZ |
| Also receives | |
Airband Broadcast FM NOAA NOAA alert | |
Transmitter
| Bands | 6m2m1.25m70cmGMRSMURS |
TX power
| Level | Manufacturer |
|---|---|
| High | 10.0 W |
| Extras | |
Roger beep Unlockable |
Memories
| Memories | 199 |
| Memory groups | Unknown |
| Length of memory name | Unknown |
| Memory details | Unknown |
Digital
| Voice | |
D-STAR DMR System Fusion NXDN | |
| Data | |
APRS DPRS KISS TNC GNSS | |
| Bluetooth | device programming |
| USB | device programming |
| Programming | |
CHIRP | |
Battery
| Battery capacity | 2500mAh |
| Battery voltage | 7.4V |
| Charges from | |
Cradle Radio USB-C | |
| Cradle USB connector | None |
| Cradle DC input connector | None |
| Cradle DC input voltage | None |
Physical
| Width | Unknown |
| Height | Unknown |
| Depth | Unknown |
| Weight | Unknown |
| Carry weight | Unknown |
| IP rating | IP67 |
| MIL-STD-810 | None |
| Display | Unknown |
| Antenna connector | Unknown |
| USB connector | USB-C |
| DC input connector | None |
| DC input voltage | None |
| Audio connector | K1 (Kenwood) |
| PTT | Single side button |
| Buttons | Two left side programmable buttons |
| Knobs | Volume knob with power switch |
| MicroSD | None |
| Built in | |
Flashlight | |