Ready to Ship
Fast dispatch
In stock

serial to wireless | point to point, one to many long distance wireless data transmission 434 mhz rf transmitter and receiver

$10.16
5-24 Pieces
$9.45
>=25 Pieces
Min. Order
5 Pieces
Coupons
$5.00 OFF Get the Coupon
Download the app to enjoy the coupon
Choose your specifications
Company Information

Shenzhen Taida Century Technology Co., Ltd.

CN Manufacturer
Response Time
24h-48h
Response Rate:
74.8%
Transactions
US$ 20,000+
3 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
Learn More

Quick Details

D/C: New
Package: SMD
Model Number: HD-M803
Type: Other
Brand Name: Original Brand
Place of Origin: Guangdong China
rf transceiver: wireless data transmission module
Selling Units: Single item
Single package size: 4X3X4 cm
Single gross weight: 0.5 KG
Package Type: box package
Package Preview: https://sc01.alicdn.com/kf/HTB1mMhLXBUSMeJjSszbq6zerFXaE.jpg_640x640.jpg

  Serial to wireless | point to point, one to many long distance wireless data transmission 434 mhz rf transmitter and receiver 

 

Performance:

Performance

 

Transmission distance:

1800 m open line of sight (1.2kbps, + 20dBm)

penetration:

4-6 vertically penetrating floor slab (1.2kbps, + 20dBm)

Frequency:

ISM using free channels 410-460MHz, customizable 315Mhz, 868MHz or 915MHz

transmit power:

100mW (stage 8 is adjustable, 3dB step)

the UART interfaces:

optional multiple rates (up to 115200bps, customizable other higher rate)

high  -121dBm/2.4kbps

sensitivity:GFSK modulation scheme

width voltage range:

3.3V-5.5V, the operating voltage operating range can customize

consumption current:

20mA (reception), 100mA (emission) 0.5uA low-power sleep mode, battery-powered applications to meet

operating temperature:

-85 ℃ -40 ℃

volume  32.9mm

:18.3mm 7.0mmX

application OverviewX:

wireless meter reading meter, water meter, gas meter

vehicle ramp control, monitoring

building automation and security, access control, cell paging

wireless tag, identification, RF contactless smart card

things wireless sensor WSN

home automation

automated data collection

Industrial and power control, telemetry, 232/485 wireless data acquisition

wireless barcode gun

the POS system,asset management

a robot control

weather, sensing

wireless pager , point dish machine

lighting control line

city street monitor

Interface definition:

 

Pin Assignment FIG.

Module HD-M803 seven pins, two positioning holes, specifically defined as follows:

Pin Assignment

   

Pin

defined

direction

Description

1

GND

 

Ground GND

2

VCC

input

DC DC 3.3V-5.5V

3

EN

input

enable powerterminal, enable floating or high; low level tothe sleep

4

RXD

enter

UART input, TTL level

5

TXD

output

UART output port,TTL level

6

ALT

output

pluripotent port, the default low state indicating the UART receiving transceiver;high transmission

CCA customizable channel idle indication: low idle, high channel is busy

7

SET

input

secondary interface design parameters , low in UART mode settings

can be customized CCA idle channel indication: low idle, busy channel high

pin definition HD-M803

NOTE: CCA signal state high output level is maintained at least 1mS.

4,5 default pin TTL interface, optional RS232 (4-RX; 5-interface.

 

 50.5.jpg

50.6.jpg