Highlights
| Model No. | VM-M50 |
| Electrical parameters | |
| Working Voltage | DC 3.5V – 5 V |
| PCB size | Pcb size：50*50mm , Ceramic antenna size：40*40mm Overall height ：8.5mm |
| Standby current | <80mA (EN pin high level) |
| Operation current | 180mA @ 3.5V (26 dBm Output，25°C)。 |
| Operating time | <100mS。 |
| Operation temp. | – 20 °C – + 70 °C |
| Storage temp. | – 20 °C – + 85 °C |
| Working humidity | < 95% ( + 25 °C) |
| Protocol | EPCglobal UHF Class 1 Gen 2 / ISO 18000-6C |
| Frequency | 840-960MHZ |
| Working area support | US, Canada and other regions following U.S. FCC
Europe and other regions following ETSI EN 302 208 Mainland China;Japan;Korea;Malaysia;Taiwan |
| Output power | 18-26 dBm |
| Read/write range | Read: 200-250cm; write: 10-50cm(adjusted) |
| Output power accuracy | +/- 1dB |
| Output power flatness | +/- 0.2dB |
| Receive sensitivity | < -70dBm |
| Store tag peak speed | > 50pcs/sec |
| Tags storage capacity | 200pcs tags @ 96 bit EPC |
| Tags RSSI | support |
| Communication interface | TTL Uart interface |
| Communication baud rate | 115200 bps（default and recommend）
38400bps |
| Heat-dissipating method | Air cooling(no need for out install cooling fin） |
