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General Specifications| frequency range | 136~174MHz |
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| number of channels | Max. 512 channels total per radio |
| zone | Max. 128 per radio |
| channel spacing | Wide 5k : 25kHz, Wide 4k : 20kHz, Narrow : 12.5kHz |
| battery voltage | 7.5V DC ± 20% |
Battery| battery life with KNB-31A | Approx. 9 hours |
|---|---|
| battery life with KNB-32N | Approx. 14 hours |
| battery life with KNB-33L | Approx. 10 hours |
Operating Environment| operating temperature range | –30°C~+60°C (–10°C~+60°C with KNB-32N or KNB-33L) |
|---|---|
| frequency stability | ± 2.5ppm (–30°C~+60°C) |
| antenna impedance | 50Ω |
Receiver| sensitivity EIA 12dB SINAD | Wide 5k : 0.28µV, Wide 4k : 0.28µV, Narrow : 0.32µV |
|---|---|
| EN 20dB SINAD | Wide 5k : –3dBµV, Wide 4k : –3dBµV, Narrow : –2dBµV |
| adjust channel selectivity | Wide 5k : 73dB, Wide 4k : 73dB, Narrow : 63dB |
Transmitter| RF power output | HI : 5W, LO : 1W |
|---|---|
| modulation limiting | Wide 5k : ± 5.0kHz at 25kHz, Wide 4k : ± 4.0kHz at 20kHz, Narrow : ± 2.5kHz at 12.5kHz |
| spurious emission | –36dBm ≤ 1GHz, –30dBm > 1GHz |
Weight and Dimensions| dimensions with KNB-33L battery | 58 x 136 x 33 mm |
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| dimensions with KNB-31A or 32N battery | 58 x 136 x 39.5 mm |
| weight | 400 g with battery (KNB-33L), antenna (KRA-22) and belt-clip (KBH-11) |
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