Wireless & RF Design

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Forum for antennas, RF circuits and filter design, telematics, technologies (ie. WiFi, Bluetooth, ZigBee, etc.)
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R
How to improve 433MHz Bit Error Rate in environment with multipath propagation
Last message by
rf_noob
7
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1K
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E
315MHz + 433MHz Dual band RF receiver circuit
Last message by
ehabawni
6
Replies
3K
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B
I need some help. Essentially this is a WIFI question over 160km ranges (ham groups wont help)
Last message by
born2dive00
2
24
Replies
3K
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irmanao
Experimenting with some ultrasonic transducers (noise on receiver)
Last message by
irmanao
13
Replies
3K
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G
Help,trying 2 Make a 1 channel radio(transmitter&receiver)basically from scratch, range 3 feet only
Last message by
Glenjamin
4
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2K
Views
K
Connecting ESP32 Module to PS4 controller via Bluetooth
Last message by
kirito23
2
Replies
9K
Views
dante_clericuzzio
Need a diagram frequency multiplier from 125 Mhz to 3.6 Ghz
Last message by
DickCappels
1
Replies
993
Views
Dabu WhiteHacker
esp 01 firmware update
Last message by
be80be
2
Replies
959
Views
B
2 Part RADAR / UltraSonic / LIDAR system
Last message by
olphart
12
Replies
2K
Views
nerdegutta
433MHz schematic.
Last message by
DickCappels
13
Replies
10K
Views
AlbertHall
Positioning of coil on ferrite rod
Last message by
noweare
2
20
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8K
Views
Quentin Girault
Current limitation of a wireless power supplier
Last message by
Quentin Girault
8
Replies
2K
Views
B
Wolfwhoop WT05+RC832 Micro FPV AIO Camera and FPV Receiver Kit
Last message by
Brent1798
0
Replies
756
Views
rbraddy
Low power 433 MHz Wakeup Receiver Amplifier
Last message by
rbraddy
0
Replies
2K
Views
Sid723
Affordable LoRan/GPS system for Cattle Tracking
Last message by
wayneh
9
Replies
2K
Views
S
Current-Voltage characteristics of a junction in Comsol Mltiphysics
Last message by
ShA2018
0
Replies
1K
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S
Colpitts oscillator FM transmitter
Last message by
DickCappels
13
Replies
11K
Views
T
What do I need to consider (or learn) in order to design a low pass filter to follow a BJT buffer?
Last message by
Papabravo
3
Replies
2K
Views
PsySc0rpi0n
LTSpice circuit not matching theory results
Last message by
eetech00
3
Replies
3K
Views
J
Ethernet Cable question: Does ANYONE know the answer to this? (Ethernet)
Last message by
RETIREDTECHNOMAGE
2 3
45
Replies
5K
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