The Zartek ZA-748 Portable Two Way Radio is easy to use and gives you reliable and clear communication. The ZA-748 UHF transreceiver 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 transreceiver is also approved by ICASA to operate on liensed 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 transreceiver easy to operate. A detachable antenna enables external car or house antennas to be used with the radio to extend communication range.

  • Category: RADIOS



  • 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
  • 1 year limited warranty
  • IDEAL for Security use, Factories, Farming, Hotels, Events & Heavy Duty use.




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%