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General| frequency range | 400~430MHz |
|---|---|
| number of channels | Zone : Max. 128 per radio Channel : Max. 128 per zone |
| channel spacing | Wide : 25kHz Narrow : 12.5kHz |
Battery| battery voltage | 7.5V DC ± 20% |
|---|---|
| battery life with KNB-24L | 9 hours (1400mAh) |
| battery life with KNB-25A | 8 hours (1200mAh) |
| battery life with KNB-26N | 12 hours (2000mAh) |
| battery life with KNB-35L | 11 hours (1950mAh) |
Operating Environment| operating temperature range | –30°C~+60°C |
|---|---|
| frequency stability | ± 0.00025% (–30°C~+60°C) |
| antenna impedance | 50Ω |
Receiver| sensitivity EIA 12dB SINAD Wide | 0.25µV |
|---|---|
| sensitivity EIA 12dB SINAD Narrow | 0.32µV |
| sensitivity EN 20dB SINAD Wide | 0.63µV |
| sensitivity EN 20dB SINAD Narrow | 0.70µV |
| adjacent channel selectivity Wide | 70dB |
| adjacent channel selectivity Narrow | 62dB |
| intermodulation | 65dB |
| spurious response rejection | 70dB |
| audio output | 500mW with less than 5% distortion |
Transmitter| RF power output HI | 4W |
|---|---|
| RF power output LO | 1W |
| spurious emission | ≤ –36dBm < 1GHz ≤ –30dBm > 1GHz |
| modulation Wide | 16K0F3E |
| modulation Narrow | 11K0F3E |
| FM noise Wide | 45dB |
| FM noise Narrow | 40dB |
| audio distortion | Less than 5% |
Weight and Dimensions| dimensions with KNB-24L or 35L battery | 56 x 109 x 31.7 mm |
|---|---|
| dimensions with KNB-25A or 26N battery | 56 x 109 x 37.9 mm |
| weight with battery, antenna, and beltclip | 340 g |
Manual's purpose, scope, and instructions for ordering replacement parts.
Recommended safety measures for handling and servicing the equipment.
Guidance on servicing, referencing diagrams and procedures within the manual.
Features and operation for entering and using the panel test mode for diagnostics.
Details on adjusted frequencies and signaling settings for the transceiver.
Procedure to enter tuning mode and adjust settings via keys.
Covers frequency points, items, display codes, and key functions for adjustments.
Diagram illustrating the sequence of adjustment steps for various parameters.
Visual guide showing the location of adjustment points on the TX-RX unit.
List of test equipment and their specifications necessary for alignment.
Information on antenna connector adapters, battery jigs, and nut wrenches.
Covers setting, VCO lock voltage, and common adjustment items.
Procedures for adjusting frequency, high power, and low power.
Checks for low power output and adjustments for DQT balance.
Procedures for adjusting max deviation, MIC sensitivity, and VOX settings.
Steps for adjusting QT deviation for narrow and wide modes.
Procedures for adjusting DQT, DTMF, MSK, and Tone deviations.
Steps for writing and checking battery detection parameters.
Adjusting sensitivity and squelch for optimal receiver performance.
Procedures for adjusting Low and High RSSI values.
Schematic diagrams for the control section and PTT board components.
Illustrates main boards, RF, key, DC supply, and baseband circuits.
Covers frequency, channels, battery, dimensions, and weight.
Details receiver performance metrics like sensitivity and selectivity.
Details transmitter performance metrics like power output and emissions.
