TYT TH-446 VHF 136-174Mhz FM radio w + earp + speaker mic
TYT TH446 VHF 136-174Mhz FM radio with +earpiece + speaker mic
Main functions
- Frequency range: VHF (136-174MHz)
- 128 memory channels
- Tri-keypads menu operation
- CH/CH-FR display
- Wire clone
- PC programmable
- CTCSS/DCS encoding and decoding
- High/low power adjustable
- VOX (level adjustable)
- CTCSS/DCS scanning/Channel scanning/Priority scanning
- Wide/narrow bandwidth selective (PC program)
- Reverse frequency
- TOT (Time out timer)
- Keypad lock
- Beep tone
Technical parameters
| Item number | TH-446 |
| General | |
| Frequency Range | 136-174MHz |
| Channel No. | 128 |
| Frequency Stability | ±2.5ppm |
| Antenna | High gain antenna |
| Antenna Impedance | 50Ω |
| Operating Voltage | DC 7.2V |
| Mode of operation | Simple or semi-duplex |
| Dimensions（W×H×D） | 116x57x35mm |
| Transmitter | |
| Output power | ≥5W(H) ≥0.5W(L) |
| Modulation Mode | 16kΦF3E/ 11kΦF3E |
| Maximum deviation | <5kHz/<2.5KHZ |
| Spurious Radiation | <7μW |
| Adjacent Ch. power | ≥65dB/≥60db |
| Pre-emphasis characteristics | 6db |
| Current | ≤1.6A(5W) |
| CTCSS/DCS deviation | 0.5kHZ+/-.01kHZ 03kHZ+/-0.1kHZ |
| Intermediation sensitivity | 8-12mv |
| Intermediation distortion | <10% |
| Receiver | |
| RF Sensitivity | -122dbm(12db SINAD) |
| Audio power | >0.5W |
| Audio Distortion | ≤10% |
| Intermediation | ≥60dB ≥55db |
| Selectivity | ≥65dB ≥60db |
| Spurious Rejection | ≥65db |
| Blocking | ≥85 |
Free for
Speaker Microphone
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