AT-938 Single Band Hand Held Transceiver

General

Frequency Range

VHF:136-174 MHZ VHF:245-245.9875MHz

UHF:400-480MHZ

Channel Capacity

250 channels

Channel Spacing

25KHz (Wide Band)

12.5KHz (Narrow Band)

Phase-locked Step

5KHz, 6.25KHz

Operating Voltage

7.4 DC ±20%

Battery Life

More than 12 Hours (1300mAh)by 5-5-90 work cycle

Frequency Stability

±2.5ppm

Operating Temperature

-20~ 55

Size

195×56×30mm (with battery pack, antenna)

Weight

185g (with battery, antenna)

Receiving Part

Wide band

Narrow band

Sensitivity(12dB SINAD)

≤0.25μV

≤0.35μV

Adjacent Channel

Selectivity

≥60dB

≥60dB

Intermodulation

≥60dB

≥60dB

Spurious Rejection

≥80dB

≥80dB

Audio Response

6dB / per interval

6dB / per interval

Hum & Noise

≥50dB

≥45dB

Audio Distortion

≤5%

Audio Power Output

500mW (at 10%)

Transmitting Part

Wide band

Narrow band

Power Output

4W/2.5W/0.5W

Modulation

16KΦF3E

11KΦF3E

Adjacent Channel Power

≥60dB

≥60dB

Hum & Noise

≥45dB

≥36dB

Spurious Emission

≤-36dB

≤-36dB

Audio Response

6dB / per interval

6dB / per interval

Audio Distortion

≤5%