The Jizhuo JZ895 wireless data transmission module user guide provides features, specifications, interface definitions, and troubleshooting steps.
This guide introduces the JZ895 module, a micro‑power wireless data transmission solution designed for ordering‑machine applications. It outlines the module’s key features such as low power consumption, high anti‑interference capability, multiple channels, and transparent data handling.
The document details the technical specifications, pin‑out definitions, supported baud rates, antenna options, and common fault troubleshooting, helping users configure and operate the module reliably in various environments. This manual is written in Chinese.
| Modulation method | GFSK |
|---|---|
| Working frequency | 433 MHz |
| Transmit power | 300 mW (25 dB) |
| Receive sensitivity | -121 dBm |
| Transmit current | <300 mA |
| Receive current | <30 mA |
| Sleep current | <1 µA |
| Operating voltage | 3.3 V – 5 V |
| Operating temperature | -20 °C to 75 °C |
| Operating humidity | 10 %–90 % RH |
| Dimensions | 49 mm × 23 mm × 6 mm |
| Number of channels | 8 |
| Supported baud rates | 1200/2400/4800/9600/19200/38400 bps |
The module transmits at 300 mW (25 dB).
It provides eight independent channels.
The module operates from 3.3 V to 5 V, with transmit current below 300 mA, receive current below 30 mA, and sleep current under 1 µA.
Check that the serial or air baud rate is set correctly and replace the power supply if there is excessive ripple.