TH-K4AT
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GENERAL
| Type | Amateur UHF transceiver |
|---|---|
| Frequency range | General market TX: 400-470 MHz RX: 400-470 MHz |
| Tuning steps | 5 / 6.25 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 / 100 KHz |
| Frequency stability | ±5 ppm @ -20 to + 60°C (-4 to +140°F) |
| Mode | FM / FMN |
| Channels / memory management | 100 regular (Without using 6 character alpha tags) 50 regular (If using 6 character alpha tags) 1 call Non-volatile EEPROM storage |
| Repeater shift / offset | ±0-69.95 MHz in 50 KHz steps (±5 MHz default) |
| Power supply | 6-9 VDC (Depending on battery pack)or 12-16 VDC external |
| Current drain / power consumption | RX: 100 mA (Squelched)TX: 0.8-1.8 A |
| Antenna impedance / connector | 50 ohm / SMA |
| Dimensions (W*H*D) | 58*110*36 mm (2.28*4.33*1.42"), with PB-43N |
| Weight | 320 g (11.29 oz), with PB-43N |
| Other features | CTCSS/PL and DCS with tone scan. DTMF. VOX. Backlit display and keypad. PC-programmable. |
RECEIVER SECTION
| Receiver system | Double conversion superheterodyne 1st IF: 38.85 MHz 2nd IF: 450 KHz |
|---|---|
| Sensitivity | 430-450 MHz: 0.18 uV (12 dB SINAD) |
| Selectivity | — |
| Image rejection | — |
| AF output power / speaker | 400 mW at 10% distortion / 8 ohm |
| External speaker connector | 2.5 mm |
TRANSMITTER SECTION
| RF output power | HighMidLow 70 cm:3.5-5 W1.2-1.5 W500 mW NB! The high and mid power setting depends on voltage / battery pack. |
|---|---|
| 70 cm | 3.5-5 W |
| Modulation system | Reactance |
| Max FM deviation (Factory set) | FM: ±5 KHzNFM: ±2.5 KHz |
| Spurious emissions | Better than -60 dB |
| Microphone impedance / connector | 2 Kohm / 3-conductor (3.5 mm) |
| Microphone input level | — |
MISCELLANEOUS
| Manufactured | 2003-200x (Discontinued) |
|---|---|
| Additional info | — |
| BC-21 BT-14 EMC-3 HMC-3 KHS-21 KSC-24 MCP-1A PB-43N PG-2W PG-3J PG-4Y SMC-32 SMC-33 SMC-34 | Wall charger Battery case, for six R6 / AA batteries Clip microphone with earphone Headset with VOX/PTT Headset Rapid charger Memory channel control software NiMH battery pack. 7.2 V, 1100 mAh DC power cable Filtered cigarette lighter power cable PC interface cable (RS-232C, DB-9) Speaker-microphone Remote control speaker-microphone Remote control speaker-microphone with volume control |
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