Brief Introduction
HYR820 is a USB UHF desktop reader, it's small, ultrathin, portable, can widely be used in logistic, ID, parking, access control,anti-fake system and manufacturer process control etc
Features
➢ Advanced tag Collision processing algorithm, high reading speed.
➢ Working mode: FHSS or fixed frequency
➢ Output power: maximum 25dBm (15~25dBm adjustable by soft)
➢ Low power consumption, USB power supply;
➢ Support response (interactive) working mode and active mode;
➢ The output format and parameters can be configured in the active working mode
➢ Support USB interface;
➢ Provide DLL, support second development
➢ Reading hint: Buzzer, LED
➢ Reading distance: 0.4m wit 0dbi antenna
➢ Maximum identifying speed can reach 40/s
Technical Data
| No | Item | Technical data | Unit | Remark |
| 1 | Max current | 380 | mA | 25dBm with USB power supply |
| 2 | Standby current | ≤50 | mA | |
| 3 | Frequency range | 865~868 920~925 | MHz | |
| 4 | Default working frequency | Frequency hopping | MHz | Frequency interval 250KHz |
| 5 | Channel bandwidth | ≤250 | KHz | |
| 6 | Frequency hopping speed | ≤2 | s | |
| 7 | Fixed power | 25 | dBm | |
| 8 | Stepping interval | 1 | dB | 15~25dBm, adjustable by software |
| 9 | Label protocol | EPC C1G2 /ISO18000-6C | ||
| 10 | Communication protocol | Asynchronous serial ports protocol | ||
| 11 | Starting time | ≤50 | ms | |
| 12 | Radio-frequency power rising time | ≤500 | μs | |
| 13 | Radio-frequency power dropping time | ≤500 | μs | |
| 14 | Adjacent channel power leaking ratio | ≤-40 | dB | ±1CH |
| ≤-60 | dB | ±2CH | ||
| 15 | Frequency stabilizing ratio | ±10 | ppm | -25℃~+40℃ |
| ±20 | ppm | -40℃~+60℃ | ||
| 16 | Max reading range | 0.4 | m | With 0 dbi antenna |
| 17 | Multi-tags | >40/s |
Appearance and Structure
➢ Dimension(Length X Width X Height):129×80×22mm
➢ Weight:50g

USB Interface Definition
| Pin | Signal name | Signal direction | Function/compatibility description | Remark |
| 1 | VCC | INPUT | USB power supply | |
| 2 | USB_D- | Bi-direction | USB signal line | |
| 3 | USB_D+ | Bi-direction | USB signal line | |
| 4 | GND | INPUT | USB power supply |
Environment Requirement
| No | Item | Technical data | Unit | Remark |
| 1 | Working temp. | -20~+70 | ℃ | |
| 2 | Storage temp. | -40~+85 | ℃ | |
| 3 | Relative humidity | 5%~95% | RH | Non-condensation |
Video Description