General Features of Kenwood TH 255A:
- High RF power output
The TH-255A provides 5.5watts of power for wide coverage, with a choice of High/Low output.
- Large speaker
The large diameter speaker outputs up to 400 mW, which helps to allow clear reception even in noisy workplaces.
- Long battery life
Another welcome feature is 8-hour* continuous operation with the optional high capacity Ni-MH battery PB-43N.
*Battery Life (5-5-90 duty cycle)
- High-visibility backlit LCD
Backlighting, larger characters, and a battery level indicator all contribute to exceptional ease of use. Easy and simple to operate for both beginners and experienced users.
- Security features
In addition to password-protection at power-on, the keypad can be locked and there’s an emergency siren for when assistance is required.
- Rugged construction
The TH-255A meets or exceeds the stringent IP54 dust and splash water standards as well as the MIL-STD 810 C, D, E & F environmental standards in 9 categories – including rain, IP54 humidity and shock.
OTHER FEATURES
– Multiple Scan Functions
– 100 Channels
– CTCSS (42 subtone frequencies), DCS (104 codes)
– Busy Channel Lock Out, Memory Channel Lock Out
– Memory Shift, Beat Shift
– Channel Display Mode
– Split Channel
– Automatic Simplex Checker (ASC)
– VFO Reset, Full Reset – Beep On/Off
– High-capacity Ni-MH battery (Optional)
– Reverse
– Auto Power Off
– Time-out Timer
– Alphanumeric Channel Name
– Battery Save
SPECIFICATIONS
| General | |
|---|---|
| Frequency Range* | TX: 136 – 174 MHz RX: 136 – 174 MHz |
| Mode | F3E |
| Number of Channels | 100 ch** |
| Power Requirement | DC 6.0 – 9.0 V (7.5 V nominal) |
| Antenna Impedance | -50Ω |
| Operation Temperature | –10°~ +50°C |
| Battery Life (5-5-90 duty cycle) [with PB-43N] |
Hi 8 hours Low 15 hours |
| Frequency Stability | ±5 ppm |
| Dimensions [with PB – 43N] (projections included) | 58 x 120 x 28.4 mm (58 x 129.7 x 37.8 mm ) |
| Weight | 375 g |
| TRANSMITTER (Measurements made per TIA/EIA-603) | |
| RF Power Output (approx.) Hi / Low |
5.5 W / 0.5 W |
| Modulation | Reactance modulation |
| Spurious Emission | Less than -60 dB |
| Maximum Frequency Deviation | ±5kHz |
| Audio Distortion | Less than 3 % |
| RECEIVER (Measurements made per TIA/EIA-603) | |
| Circuitry | Double Super Heterodyne |
| Sensitivity (12dB SINAD) | Less than 0.18 µV |
| Squelch Sensitivity | Less than 0.13 µV |
| Selectivity -6 dB -40 dB |
More than 10 kHz Less than 28 kHz |
| Intermediate Frequency 1st IF 2nd IF |
38.85 MHz 450 kHz |
| Spurious Response | 55 dB |
| Audio Output | more than 400 mW (10% distortion) |
*Guaranteed Range: 144-148 MHz **Using memory names: 50 ch
KENWOOD reserves the right to change specifications and features without prior notice.
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