# Zartek ZA-721 Two Way Radio

### Description

When it comes to communication in security there is no better product than the **Zartek ZA-721 Two Way Radio**. This two way radio features up to 16 pre-programmed channels and clear loud audio allowing you to hear every word spoken from your team. Not only is the Zartek ZA-721 Two Way Radio designed with long battery life but was also built with durable ultra thin casing making it lightweight and easy to use. The best part about using this two way radio is that it's compact meaning you can place it in your pocket or use the included clip to keep it attached to your belt and out of the way yet still on hand when needed.

### Features

-   Pre-programmed 16 Channels
-   Power Output 500mW License Free / 2W Licensed
-   Long Range Communications, Indoors & Outdoors
-   Tones 50 CTCSS / 232 DCS
-   Detachable Antenna
-   Clear Loud Audio
-   Robust & Durable Casing
-   USB Desktop Cradle Charger
-   Long Battery Life & Low Battery Alert
-   Channel Announce
-   External Microphone / Speaker Jack
-   Approved by ICASA
-   IDEAL for General use, Warehouses, Outdoors, Hotels, Events & Heavy Duty use.

### Specifications

 

Frequency Range

446MHz & 464MHz / 400-470MHz

Channel Capacity

16

Frequency Spacing

12.5Hz

Working Voltage

3.7V

Frequency Stability

+/- 5ppm

Operating Temperature Range

\-10 degree Celsius - +50 degree Celsius

Antenna Impedance

50 omes

Dimension (excl Antenna)

124mm x 61mm x 33mm (L x W x H)

Weight (including Antenna and Battery)

200g

Battery Capacity

1100mAh

Battery Operating Time Average

17 hours on 5:5:9 duty cycle, battery save, med vol

**Transmitter**

Output Power

500mW / 2W

Modulation Mode

16KFOF3E

Maximum Frequency Deviation

< +/- 5kHz

Audio Distortion

<5%

Spurious Radiation

<7.5uW

Modulation Noise

< -40dB

Current Max

<700mA / <2300mA

Audio Response (300 - 3000Hz)

+6.5 - 14dB

Adjacent Channel Power

\>60dB

Intermediation Sensitivity

8-12mV

**Receiver**

Receiving Sensitivity

<0.22uV

Selectivity

\>65dB

Intermediation

\>55dB

Occupied Bandwidth

<16kHz

Current Max

<80mA (standby) <220mA (receive)

Audio Output Power

1W

Audio Distortion

<5%

Audio Response

+7 - -12.5dB

## Details

- **Price:** 959.0 ZAR
- **Vendor:** Zartek
- **Type:** Zartek ZA-721 Two Way Radio
- **Tags:** Zartek ZA-721 Two Way Radio

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 959.00 ZAR | In stock |

## Images

- Zartek ZA-721 Two Way Radio - Guards On Duty Shop & Security Guards
- Zartek ZA-721 Two Way Radio - Guards On Duty Shop & Security Guards
- Zartek ZA-721 Two Way Radio - Guards On Duty Shop & Security Guards

---

> Source: [Guards On Duty Shop & Security Guards ](https://guardsondutyshop.co.za/products/zartek-za-721-two-way-radio)
> Updated: 2026-06-02