This manual describes the features, applications, wiring, operation modes, communication protocol and troubleshooting for the JZ882 wireless data…
The JZ882 is a low‑power wireless data transmission module designed for short‑range communication. It operates at frequencies around 490 MHz with a transmit power of up to 500 mW and supports data rates from 1200 bps to 9600 bps. The module is supplied at +5 V ±0.5 V and fits in a compact 63 mm × 43 mm × 15 mm housing, making it suitable for a variety of IoT and sensor applications.
The manual provides wiring diagrams for TTL, RS‑232 and RS‑485 interfaces, explains how to configure the module’s work modes and communication parameters, and includes a list of common problems with solutions. It also gives electrical specifications, environmental limits and recommended PCB layout guidelines for reliable operation. This manual is written in Chinese.
| Operating Frequency | 490 MHz |
|---|---|
| Data Rates | 1200, 2400, 4800, 9600 bps |
| Bit Error Rate (BER) | 10⁻³ at 9600 bps, 10⁻⁵–10⁻⁶ at lower rates |
| Dimensions | 63 mm × 43 mm × 15 mm |
JZ882 provides TTL, RS‑232 and RS‑485 interfaces.
The module can transmit at 1200, 2400, 4800 or 9600 bps.