TK-2300 and TK-3300 are two business radio transceivers that support 4 or 16 channels, 27 VHF operating frequencies or 89 UHF operating frequencies, and have a built-in voice scrambler that allows you to encrypt conversations.
The TK-2300 (VHF) and TK-3300 (UHF) transceivers are 2‑way business radios offered in 4‑channel (K) and 16‑channel (K2) versions. They feature up to 27 VHF or 89 UHF operating frequencies, 122 tone/code settings, a built‑in voice scrambler, and optional headset operation.
The manual covers safe operating conditions, battery handling, FCC licensing, and troubleshooting. It also lists optional accessories such as speaker/microphone kits, headsets, Li‑ion battery packs, and chargers, and provides step‑by‑step procedures for scanning, locking keys, adjusting transmit power, and performing a full reset to default settings.
| Channels | 4 channels (K) or 16 channels (K2) |
|---|---|
| Operating Frequencies | 27 VHF frequencies (TK-2300) or 89 UHF frequencies (TK-3300) |
| Tone/Code Settings | 122 tone/code settings per channel |
Check the battery pack – it may be dead, not installed correctly, or its life may be finished. Replace or reinstall the battery pack as needed.
Press the Scrambler key once to activate it (single beep) and press again to deactivate it (double beep).
Press the Low Transmit Power key; each press toggles the transmit power between high and low.