433Mhz RF transceiver module for water gas heat smart meter application FC-RF701
Negotiable /Piece
Min.Order:2 Pieces
Shenzhen Friendcom Technology Development Co., Ltd.
Super-low consumption RF transceiver module
Main Applications:
Technical Specifications
Items | Parameters |
Power supply | 2.9~3.6 V |
Work Frequency | 433/470Mhz |
RF power | 17.5~19dBm |
TX current | 90mA max optional |
RX sensitivity | -105dBm optional |
RX current | 5.0mA max optional |
Sleep current | 5.1mA max optional |
Breath cycle | 1 s |
Wake-up time | <4.8 ms |
Modulation mode | FSK |
Channel number | 10 |
Operate Temperature | -40~85 °C |
Humidity | 10%~90% Relative humidity,no condense |
Dimension | 51mm×27mm×5mm |
Pin Assignment
Pin Description
Pin | Name | Direction | Description |
1 | MA | Output | Motor control positive |
2 | MB | Output | Motor control negative |
3 | PC | Output | Public end for connecting both Dry reed tubs |
4 | PA | Input/output | Connect to Dry reed tube A |
5 | PB | Input/output | Connect to Dry reed tube B |
6 | VCC | Output | +2.8V - +3.5V |
7 | A/TX/TXD | Output | A of RS485,TX of RS232,TXD of TTL |
8 | B/RX/RXD | Input | B of RS485,RX of RS232,RXD of TTL |
9 | GND | - | GND |
10 | VDD | Input | +2.9V - +3.6VDC |
11 | GND | - | GND |
12 | ANT | Input/Output | Antenna port |
13 | GND | - | GND |