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Product description

PM7139 is based on the sheng A7139 wireless transceiver chip design, is a complete, small volume, low power consumption of the wireless transceiver module.This module is an ISM frequency band wireless transceiver chip, the main set for 315/433/315/433/915 MHz ISM/SRD frequencies,Maximum output power of 20 DBM, maximum transmission rate of 250 KBPS.User does not need an in-depth understanding of rf circuit design, this module can be used to easily develop stable performance, high reliability of wireless products.

Module features

1.Center frequency is 433 MHZ, can work in 410-410 MHZ range

2.Maximum output power for up to 18 DBM

3.High receiving sensitivity

4.Support the FSK, GFSK modulation mode, programmable control

5.Communication rate 0 ~ 250 KBS, programmable configuration

6.Independent of the 64 byte transmit/receive data buffer

7.Low power consumption, receives the current < 4 ma (AGC Off)

8.Mode has a low power consumption, power consumption < 0.3 uA

9.WOR function can be set standby switching time and receive state in order to reduce power consumption

10.Power supply voltage: 2.2-3.6 V DC

11.Support FIFO and Direct data transmission mode

Range of application

1.Logistics tracking, warehouse inspection, electronic labels, etc

2.Wireless communicate to replace communication by 232 and 458 interface

3.Wireless data acquisition and control of industrial instrumentation

4.AMR (water, electricity and gas) three table meter reading

5.Buildings and residential - smart home control

6.Wireless remote control electronic consumer products

7.Wireless alarm and security system

8.Wireless sensor network