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Introduction

1, the transmit power 2.5mW (4dBm); receiver sensitivity -97dBm (BER=10-2)
2, open band, no need to apply for the frequency, the carrier frequency of 2.4GHz.
3, high anti-interference ability and low error rate
4, air transmission rate up to 250kbps.
5, the horizon case, reliable transmission distance up to 100 meters (PCB antenna), can also through the IPEX interface module of the external high gain antenna, the distance from the antenna gain is determined, as far as the high gain.
6, provides 16 channels, according to the environmental automatic selection of reliable communication channel.
7, power: the receiving current ≤ 27mA ≤ 40mA, emission current.
8, small volume, light weight.
9, using SoC, less peripheral circuit, high reliability, low failure rate.
10, provide PCB onboard antenna, under normal circumstances can’t be matched antenna. In addition to provide the external antenna plug.
11, adapt to the 2.4GHz IEEE 802.15.4 protocol and ZigBee application, automatic network.
12, the size of the module 21.5*26mm 

Application
Home intelligent control wireless meter reading industry remote control, telemetry, automatic data acquisition system, security alarm Hotel, room equipment wireless monitoring, entrance guard system, personnel positioning traffic, street lamp control logistics, active RFID, POS system, wireless handheld terminal

8051 kernel performance integration
1, strong 5 DMA channels
2, 256KB in system programmable flash memory, can be customized 32K, 64K, 256kB
3, 8KB RAM
4, CSMA / CA hardware support
5, AES Security Co processor
6, the battery monitoring and temperature sensor function
7, 8 channels 12 bit ADC
8, 2 Road UART
9, IEEE 802.15.4 MAC timer, general purpose timer (one 16 bit, two 8 bit)
10, 32 kHz capture the sleep timer
11, the watchdog timer
12, 21 general purpose I / O pins (19*4 mA, 2*20 mA)
13, support online debugging