QIACHIP WL102-341 Instruction Manual DC 2V-3.6V 433MHz RF Superheterodyne Wireless Transmitter Module

Version: V1.0

Last Updated: 2026-1-6

Model: WL102-341

Product Size

• Receiver Length (L) x Width (W) x Height (H): 17.51mm x 13.25mm x 1mm
• Receiver Pin header pitch: 2.54 mm

Component Description

• 1: ANT (Antenna Pin)
• 2: EN (Enable Pin)

• 3: DAT (Wave Signal Input)

• 4: + (Power Input Pin)

• 5: - (Power Ground Pin)

Antenna Size

For general applications, the antenna can directly adopt market-available standard specifications. Details are as follows:

• Antenna core diameter (including outer sheath): 1.0 mm
• Antenna core diameter (excluding outer sheath): 0.5 mm
• Wire length at the soldering end: 17.5 mm
• Wire length at the antenna end: 9.5 mm
• Antenna winding diameter (including outer sheath): 5 mm
• Number of winding turns: 15 turns

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Electrical characteristics

Parameter	Value
Input voltage	DC 2.0V-3.6V
RF frequency	433.92MHz
Power Consumption	Current in shutdown mode is less than 0.1μA
Maximum Data Rate	20Kbps
Maximum Transmit Power	11dBm
Working temperature	-40~85℃
Size	17.51x13.25x1mm

NOTE

1. This product is a CMOS device. Anti-static precautions must be taken during storage, transportation and operation.
2. Ensure reliable grounding when the device is in use.