Specifications
On-board MT8870 frequency decoder chip
On-board audio input interface
On-board LED lights for output state indication
PCB Size: 26.5 x 24.5 mm
The MT8870 module is a low power device DTMF decoder chip. It is a complete DTMF receiver integrating both the band-split filter and digital decoding functions. This module is suitable for modem interfaces, mobile radios and other DTMF related applications.
WIDE SUPPLY RANGE: 2.0V to 5.5V
LOW CURRENT CONSUMPTION: Continuous Mode: Only 150A Single-Shot Mode: Auto Shut-Down
PROGRAMMABLE DATA RATE: 8SPS to 860SPS
Range of Receiving Frequency - 1575.42MHz
Band Width(MHz) - 10MHZ
Gain (Zenith)(dBi typ) - 0dB
Gain(10°elevation) -5dB
Polarization - Right-Handed Circular
Impedance(O) - 50%O
Specification:
1. This item is a 5V 8-Channel Relay interface board,It can be controlled directly by a wide range of microcontrollers such as for Arduino, AVR, PIC, ARM and so on.
2. 8-Channel Relay interface board.
3. Each one needs 15-20mA Driver Current.
4. Equiped with high-current relay : DC30V 10A AC250V 10A.
1.1-Channel relay module
2.The module can be high or low by a jumper setting trigger
With power and relay action indicator
4.The module Operating voltage 5V
5. The module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A
