Zartek ZA-721 Two-Way Radio

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Zartek 721

Description

The Zartek ZA-721 UHF Handheld Transceiver is a highly versatile, pocket-sized professional two-way radio fully approved by ICASA. Engineered for operational flexibility, it features a unique dual-power hybrid architecture. This allows it to function as a completely license-free PMR446 walkie-talkie out of the box, or be programmed to act as a high-powered, licensed 2W commercial radio for deeper structural penetration. Its lightweight, heavy-duty casing makes it an exceptional tool for seamless team communication in supermarkets, hotels, warehouse facilities, and event management.

Features

Ready-to-Use Communication Pre-programmed public-frequency channels provide straightforward radio-to-radio communication without subscription fees when operated on the applicable licence-free frequencies and within local regulatory requirements.
Voice Channel Annunciation Built-in voice prompts announce the selected channel number when the rotary channel control is adjusted, making it easier to confirm channel changes without needing to look at the radio.
PC Programmable An optional programming cable allows authorised configuration of supported radio settings, including channel parameters, squelch levels, Time-Out Timer (TOT), scanning functions and other programmable features.
Adjustable Squelch Multiple squelch levels allow the radio’s receive threshold to be adjusted according to operating conditions, helping reduce unwanted background noise when no valid signal is present.
Time-Out Timer (TOT) Programmable Time-Out Timer helps prevent excessively long transmissions, reducing unnecessary channel occupation and helping conserve battery power.
Channel Scanning Scanning functionality allows the radio to monitor programmed channels for activity, helping users keep track of communications across selected groups.
VOX Hands-Free Operation Voice-Operated Transmission (VOX) supports hands-free communication with compatible accessories, with adjustable sensitivity levels to suit different working environments.
Clear Audio & Noise Control A clear front-facing speaker combined with adjustable squelch settings helps provide intelligible voice communication while reducing unwanted background noise between transmissions.
Low Battery Alert Audible and visual low-battery indications alert users when battery power is running low, providing time to recharge or replace the battery before the radio becomes unavailable.

Specifications

Transceiver & RF Performance
Frequency Range UHF 400–470 MHz, with pre-programmed channels including 446 MHz and 464 MHz frequencies depending on configuration and applicable local regulations.
RF Power Output Selectable power output of 0.5 W or up to 2 W, depending on frequency configuration and applicable licensing requirements.
Channel Capacity 16 pre-programmed memory channels.
CTCSS / DCS 50 CTCSS tones and 232 DCS digital codes provide additional filtering options to help reduce unwanted communications from other users sharing the same frequency.
Estimated Communication Range
Indoors / In-Building Approximately 600 metres to 1.2 km, depending on building construction, obstacles and interference.
Outdoors / Flat Terrain Approximately 2–6 km under suitable outdoor conditions.
Elevated Line-of-Sight Approximately 10–30 km under favourable elevated, unobstructed line-of-sight conditions.
Battery & Charging
Battery 1100 mAh rechargeable Lithium-Ion (Li-Ion) battery pack.
Operating Time Up to approximately 17 hours of typical operation based on a 5:5:90 transmit / receive / standby duty cycle.
Charging Desktop charging cradle powered via USB, with an approximate charging time of 4 hours.
Antenna & Accessories
Antenna Detachable screw-thread antenna designed for reliable UHF communication performance.
Audio Accessory Connection Standard Kenwood-style 2-pin connection for compatible external microphones, earpieces and speaker-microphone accessories.
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Zartek 721