Description
Description
The Zartek ZA-748 Portable Two Way Radio is easy to use and gives you reliable and clear communication. The ZA-748 UHF transceiver operates at 0.5 W on both license-free bands, namely 464 MHz consisting of 5 frequencies and 446 MHz consisting of 8 frequencies. This transceiver is also approved by ICASA to operate on licensed bands from 400-470 MHz on 2W of transmitting power.
High strength materials and quality components have been used in the manufacture of this two-way radio to give many years of product use. It is designed for rugged outdoor and industrial use to excel in tough environments. The ZA-748 radio is ultra small and compact for easy handling. Li-ion battery technology and VOX (voice activation) are included amongst many features that enhance performance yet keep the transceiver easy to operate. A detachable antenna enables external car or house antennas to be used with the radio to extend communication range.
Features
- Pre-programmed 16 Channels
- Power Output 500mW License Free / 2W Licenced
- Tones 50 CTCSS / 104 DCS
- Crystal Clear Loud Audio
- High Impact Casing, Compact & Lightweight
- Long Battery Life & Low Battery Alert
- Channel Announce
- External Microphone / Speaker Jack (single pin)
- LED Light
- One Functional Side Key
- Multi-functions: VOX, Scrambler, Call Ring
- Emergency Alarm, Priority Scan, Compander
- Battery Level, PTT ID DTMF (Programmable)
- Channels / Functions Programmable via PC (Optional)
- Programming Read / Write Password Protected (Optional)
- External Car / House Antenna Kit (Optional)
- Approved by ICASA
- IDEAL for Security use, Factories, Farming, Hotels, Events & Heavy Duty use.
Specifications
| Frequency Range | 446 MHz and 464 MHz license-free, (400-470 MHz licensed) |
| Channel Capacity | 16 |
| Frequency Spacing | 25kHz/ 12.5 kHz |
| Working Voltage | 3.8 V |
| Frequency Stability | ± 2.5ppm |
| Operating Temp. | -25 C – +55 C |
| Antenna Impedance | 50Ω |
| Dimensions excl Antenna(LxWxH) | 102mm x 52.5mm x 32mm |
| Weight (including Antenna and Battery) | 140g |
| Battery Capacity | 1250mAH |
| Battery Operating Time Average | 35 hours on 5:5:90 duty cycle |
| Output Power | 500mW license-free, (2W licensed) |
| Modulation Mode | 16kФF3E/ 8kФF3E |
| Maximum Frequency modulation | ± 5kHz/± 2.5kHz |
| Audio Distortion | ≤ 5% |
| Residual frequency modulation | -40 dB / -35 dB |
| Adjacent Channel Power | -70 dB / -60 dB |
| Spurious and Harmonic Wave | – 36dBm < 1 GHz – 30dBm > 1 GHz |
| Receiving Sensitivity | ≤ 0.18 uV/ 0.22uV |
| Adjacent Channels Selectivity | ≥ 70 dB/ 60dB |
| Intermediation | ≥ 60dB |
| Spurious Response | ≥ 70dB |
| SNR | ≥ 45/ 40 dB |
| Audio Output Power | 0.5 W |
| Audio Distortion | ≤ 5% |
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