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New AB-89 Bi-directional Signal Amplification Module 850MHz–930MHz No Filter

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Original price was: $44.58.Current price is: $26.74.

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Brand : xt-xinte
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Type : Adapter/Converter

AB-89 Bi-directional Signal Amplification Module 850MHz-930MHz Two-Way Power Amplifier For Helium for LORA FSK ASK OOK MSK GFSK This module Without Filter . Introduction The AB-89 Series Bi-directional signal amplification module is suitable for micro-power wireless products in the frequency range of 850 MHz- 930 MHz . It is suitable for various IoT wireless data acquisition products working in the 850 MHZ-9 30 MHZ frequency band 。 Main characteristics 1. Built-in TX/RX automatic switching circuit, TX/RX status can be switched independently without external control signal. 2. It works in RX status by default, and enhances the receiving signal. When the transmitting signal of the superior device is detected, the module instantly switches to the TX status . 3. The TX gain is adjustable, which is convenient to be compatible with wireless devices with different transmission powers. 4. Compatible with various modulation methods such as LORA and FSK/ASK/OOK/MSK/GFSK . Specifications Working frequency ： 850MHz – 930MHz RX gain： 1 1 dB ±2dB NF： ≤1.5 dB TX gain： 0dB – 10dB (±2dB) Adjustable TX/RX switching threshold ： -2dBm TX input power range ： 1 dBm – 31 dBm Maximum transmit power ： 3 1 dBm ( 1.3w ) Status indication ： RX status： Green light is on, B lue light is off TX status： Blue light is on, G reen light is off Operating Voltage ： 5V（4.75V-5.25V） Working current ： RX status ：10mA（±3mA） TX status ：≤720mA O verall dimension : 79 mm* 64 mm* 23 mm(L*W*H) Tips: The output power of the upper-level device must be at least 3dB higher than the switching threshold, which means that the output power of the upper-level device cannot be lower than 1dBm, otherwise it may cause unstable operation. Chang the TX G ain When the potentiometer is turned counterclockwise to the limit, the gain is 0 dB ； When the potentiometer is turned clockwise to the limit, the gain is 1 0 dB (±2dB).

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