

Zebra ZQ521 4-Inch Rugged Mobile Printer
A rugged 4-inch direct thermal mobile printer with IP54 sealing, 2 m drop rating, Bluetooth and 802.11ac Wi-Fi, for labels, tags and receipts on the move.
- Direct thermal printing at 203 dpi
- 104 mm maximum print width
- Up to 5 ips with Draft Mode
- IP54 sealing (IP65 with exoskeleton)
Zebra ZQ521 4-Inch Rugged Mobile Printer overview
The ZQ521 is the 4-inch model in Zebra's ZQ500 rugged mobile printer series. It prints direct thermal labels, tags and receipts up to 104 mm wide at 203 dpi, with a maximum speed of 5 ips in draft mode, and is powered by a 3250 mAh PowerPrecision+ battery with an optional 6500 mAh extended battery.
The printer is sealed to IP54 (IP65 with the optional exoskeleton) and tested for repeated 2 m drops to concrete and 1300 tumbles, so it suits outdoor and vehicle-based work. Connectivity covers Bluetooth 4.1, dual-band 802.11ac Wi-Fi and USB, and NFC supports tap-to-pair.
Zebra also offers an RFID version (ZQ521R). Named uses include field service, proof of delivery, post and parcel, pallet labelling, meter reading, parking and e-citation, shelf-edge labels and receipts.
Key features
- Direct thermal printing at 203 dpi
- 104 mm maximum print width
- Up to 5 ips with Draft Mode
- IP54 sealing (IP65 with exoskeleton)
- Multiple 2 m drops to concrete; MIL-STD 810G
- Bluetooth 4.1 and dual-band 802.11ac Wi-Fi
- 3250 mAh battery; optional 6500 mAh extended battery
- RFID version available (ZQ521R)
Technical specifications
| Print method | Direct thermal |
|---|---|
| Resolution | 203 dpi (8 dots/mm) |
| Maximum print width | 4.09 in./104 mm |
| Maximum print speed | Up to 5 in./127 mm per second with Draft Mode |
| Memory | 256 MB RAM; 512 MB Flash |
|---|
| Media width | 2.0 in./50.8 mm to 4.45 in./113 mm |
|---|---|
| Maximum roll OD | 2.24 in./57 mm |
| Media thickness | 0.0023 in./0.058 mm to 0.0063 in./0.16 mm (labels) |
| Battery | 3250 mAh PowerPrecision+ Li-Ion; optional 6500 mAh extended battery |
|---|
| Bluetooth | Bluetooth 4.1 EDR + LE |
|---|---|
| Wi-Fi | 802.11ac, 2.4 GHz and 5 GHz, 802.11r fast roaming |
| USB | USB 2.0 full-speed On-The-Go, micro-AB connector |
| Sealing | IP54; IP65 with optional exoskeleton |
|---|---|
| Drop | Multiple drops from 6.6 ft./2 m to concrete (10 ft./3 m with exoskeleton); MIL-STD 810G |
| Tumble | 1300 tumbles from 3.3 ft./1 m |
| Operating temperature | -20 °C to 55 °C |
|---|
| Dimensions | 158 x 155 x 67 mm |
|---|---|
| Weight | 0.79 kg with standard battery; 0.89 kg with extended battery |
Specifications are based on the manufacturer’s published information and may change. Please confirm critical requirements with our team before ordering.
Applications & supported media
Applications and industries
Supported media and consumables
- Direct thermal labels
- Receipt paper
- Tag stock
- PowerPrecision+ batteries
Ask us to confirm compatible labels, ribbons or other consumables for your model.
Related solutions
Downloads & datasheets
About Zebra
Zebra Technologies is a US-based manufacturer of enterprise data-capture and printing hardware. Its portfolio spans industrial and desktop thermal barcode printers, mobile printers, card printers, handheld and fixed scanners, rugged Android mobile computers and RFID readers.
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