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V1.4

Professional Computer Technology Limited

Confidential

PCT 433MHz TX/RX Module

General Description:

PCT 433MHz TX/RX module is designed for low cost 433MHz ISM band wireless

applications using AMICCOM A7108 FSK transceiver with Microchip PIC16LF1824

MCU. Module can be controlled by UART port. Transmitted data will be encrypted

by CRC. The maximum data rate is 250kbps. Maximum output power is 1.67dBm.

Interface:

I/O Port

Pin No. Symbol Function Description

1 VCC 3.3V power supply

2 OSC Grond

3 RX UART RX Pin

4 TX UART TX Pin

5 GND Ground

Firmware Upgrade Port

Pin No. Symbol Function Description

1 VDD 3.3V power supply

2 VPP MCU programming voltage

3 SPDAT MCU program data pin

4 SPCLK MCU program clock pin

5 GND Ground

Summary of content (7 pages)

PAGE 1
V1.4 PCT 433MHz TX/RX Module General Description: PCT 433MHz TX/RX module is designed for low cost 433MHz ISM band wireless applications using AMICCOM A7108 FSK transceiver with Microchip PIC16LF1824 MCU. Module can be controlled by UART port. Transmitted data will be encrypted by CRC. The maximum data rate is 250kbps. Maximum output power is 1.67dBm. Interface: I/O Port Pin No. Symbol Function Description 1 VCC 3.
PAGE 2
V1.4 Application:         Logistic, Container, Warehouses, Access Control, Properties Tracking, Security, Home automation, Wireless Sensor, Communication Protocol: 1. UART Specification Baud Rate：9600 Data：8 bit Parity：None Stop：1 bit Flow control: None Package Size: 32bytes 2. Data Format: Address Description 1 Start byte 0XAA 2~3 Customer ID 4~5 Machine ID 6~31 Data 32 Checksum 3. Paring Press and hold 2 buttons on RX module will start paring.
PAGE 3
V1.4 4. Transmitter Initialization: (System to Module) Address Name Type No.of Byte Description 1 Start byte 1 0XAA (0XAA for TX module) 2 TX/RX 1 0X00 (TX: 0X00, RX: 0X01) Test Mode 1 4-31 Data 28 TBC 32 Checksum 1 Checksum 3 Normal: 0X00, Test Mode: 0x01. No frequency hopping in test mode. Data: (System to Module) Address Name Type No.
PAGE 4
V1.4 5. Receiver Initialization: (System to Module) Address Name Type No.of Byte Description 1 Start byte 2 TX/RX 1 Test Mode 1 4-31 Data 28 TBD, All data equal to 0X00 32 CheckSum 1 Checksum 3 1 0XAA 0X01 (TX: 0X00, RX: 0X01) Normal: 0X00, Test Mode: 0x01. No frequency hopping in test mode. Data: (Module to System) Address 1 Name Type No.of Byte Description 1 0X88 Data Transmitted success, No Data received. Start Byte 0X8A Data Transmitted success, Data Received.
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V1.4 Module Specification 433MHz Transceiver IC Amiccom A7108 Data Rate 150k bps Modulation FSK Typical range 10~200M Output TX Power Max 1.67dBm Frequency Hooping NO Operation Power 433MHz:30mA@10dBm, 70mA @ 17dBm Standby Power < 10uA NT1R N = 64 Encryption Microchip KEELOQ /CRC GPIO 1 Switch 2 LED 1 Communication Port UART FCC Warming: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.