This document describes the features and characteristics of VTION V1820 CDMA product, including its supported data transfer rate, interface type, and compatibility with operating systems.
The guide introduces the VTION V1820 CDMA wireless modem, describing its CDMA 1X operation, supported data rate of up to 153.6 Kbps, and RS‑232 interface. It also lists key specifications such as frequency bands, dimensions, weight, power requirements, and operating temperature.
Installation steps, LED indicator functions, and usage instructions for Windows platforms are detailed, along with packaging contents and safety warnings. The document concludes with troubleshooting commands and a disclaimer from VTION. This manual is written in Chinese.
| Frequency Bands | 824.64–848.37 MHz, 869.64–893.37 MHz |
|---|---|
| Frequency Bands (second band) | 869.64–893.37 MHz |
| Dimensions | 59 × 59 × 21 mm (L × W × H) |
| Maximum Data Rate | 153.6 Kbps |
| Supply Voltage | 5 V / 1.2 A |
| Operating Temperature (storage) | -30 °C to +80 °C |
| Operating Temperature (use) | -20 °C to +60 °C |
| Interface | RS‑232 |
| Modulation | QPSK |
| Supported Operating Systems | Windows 98 / ME / 2000 / XP |
The V1820 supports a maximum data rate of 153.6 Kbps.
It requires a 5 V supply at 1.2 A.
It operates on 824.64–848.37 MHz and 869.64–893.37 MHz bands.
The device measures 59 × 59 × 21 mm (L × W × H).