Introducing the Palm Zire 21, released in 2003 Oct. Designed by Palm and manufactured by Palm, this Personal Digital Assistant (PDA) is ideal for those who value .
The device features a Monochrome STN LCD display with a size of and a resolution of providing a pixel density of 81 PPI PPI. It operates on ensuring smooth performance with its clocked at 126 MHz.
Noteworthy attributes include:
- Storage and Memory: 8 MiB RAM,7.2 MiB user accessible RAM, supported by a 4 MiB non-volatile internal storage.
- Camera Capabilities: main sensor, capable of recording videos at .
- Connectivity and Extras: with support for bands and advanced connectivity through and .
- Power: Equipped with a battery, offering a capacity of .
Available in regions including at a price of .
More on Zire 21
Full Specifications of Zire 21
| Brand | Palm |
| Model | Zire 21 |
| Released | 2003 Oct |
| Hardware Designer | Palm |
| Manufacturer | Palm |
| General Extras | Passive stylus |
| Device Category | Personal Digital Assistant (PDA) |
| Width |
74 mm 2.91 inch |
| Height |
112 mm 4.41 inch |
| Depth |
16 mm 0.63 inches |
| Bounding Volume | 132.6 ccm |
| Mass |
110 g 3.88 ounces |
| Platform | Palm OS |
| Operating System |
PalmSource Palm OS 5.2 (5.2.1) |
| CPU Clock | 126 MHz |
| CPU |
Texas Instruments OMAP 311 2,002 32 bit single-core 16 Kbyte I-Cache 8 Kbyte D-Cache |
| RAM Type | SDRAM |
| RAM Capacity |
8 MiB RAM 7.2 MiB user accessible RAM |
| Non-volatile Memory Type | EPROM |
| Non-volatile Memory Interface | Yes |
| Non-volatile Memory Capacity | 4 MiB non-volatile |
| Display Diagonal |
71 mm 2.8 inch |
| Resolution |
160x160 25600 pixels |
| Display Width |
50.2 mm 1.98 inch |
| Display Height |
50.2 mm 1.98 inch |
| Horizontal Full Bezel Width | 23.8 mm |
| Display Area | 2520.5 square millimeter |
| Display Area Utilization | 30.4% |
| Pixel Size | 0.31378 mm/pixel |
| Pixel Density | 81 PPI |
| Display Type | Monochrome STN LCD display |
| Display Color Depth | 4 bit/pixel |
| Number of Display Scales | 16 |
| Display Illumination | ELP |
| Display Light Reflection Mode | reflective |
| Scratch Resistant Screen | No |
| Graphical Controller | N/A |
| A/V Out | No |
| Audio Channel(s) | mono |
| Microphone(s) | No |
| Loudspeaker(s): | mono |
| Audio Output: | No |
| Supported Cellular Bands | No |
| Sec. Supported Cellular Networks: | No |
| Touchscreen Type | Resistive touch sensing screen |
| Touchscreen Simultaneous Touch Points | Single-touch |
| Directional Pad | Two-way (without action button)-way |
| Expansion Interfaces | No |
| USB |
USB 1.1 USB Full-Speed (12 Mbps) |
| USB Connector | USB Series Mini-B (mini-USB) |
| Bluetooth | No |
| Wireless LAN | No |
| IR |
IrDA 1.2 115200bit/s (SIR/CIR) |
| FM Radio Receiver | No |
| Supported GPS protocol(s) | No |
| Camera Image Sensor | No |
| Focus | No |
| Flash | No |
| Aux. Camera Image Sensor | No |
| Aux. 2 Camera Image Sensor | No |
| Aux. 3 Camera Image Sensor | No |
| Aux. 4 Camera Image Sensor | No |
| Aux. 4 Camera Focus | No |
| Secondary Camera Sensor | No |
| Sec. Aux. Cam. Image Sensor | No |
| Sec. Aux. 2 Cam. Image Sensor | No |
| Built-in accelerometer | No |
| Protection from solid materials | Yes |
| Protection from liquids | Yes |
| Battery |
Lithium-ion built-in 1-cell |
| Market Countries | USA |