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RF Transistors
Transistor
Type
Max.
VCE
Max.
IE
Power
hfe / Gain
Max.
Freq.
Noise
Figure
Case
2N918
NPN
15V
50mA
350mW
15dB@200MHz
600MHz
6dB@60MHz
TO-72
2N2857
NPN
15V
40mA
200mW
12,5dB@450MHz
1,6GHz
4,5dB@450MHz
TO-72
2N3663
NPN
12V
30mA
350mW
1,5dB@200MHz
700MHz
6,5dB@60MHz
TO-92
2N3904
NPN
40V
200mA
625mW
WINTransceiver
300MHz
5dB@15,7kHz
TO-92
2N4124
NPN
25V
200mA
350mW
120
300MHz
5dB@15,7kHz
TO-92
2N4957
PNP
30V
30mA
200mW
17dB@450MHz
1,6GHz
3dB@450MHz
TO-72
2N5031
NPN
10V
20mA
200mW
14dB@450MHz
1,6GHz
2,5dB@450MHz
TO-72
2N5179
NPN
10V
50mA
200mW
15dB@200MHz
1,4GHz
4,5dB@200MHz
TO-72
2N5770
NPN
15V
50mA
350mW
15dB@200MHz
6dB@60MHz
TO-92
2N6304
NPN
15V
50mA
200mW
15dB@450MHz
1,8GHz
4,5dB@450MHz
TO-72
2SC372
NPN
60V
150mA
400mW
WINTransceiver
200MHz
WINTransceiver
TO-92
2SC380
NPN
30V
50mA
300mW
29dB@10,7MHz
100MHz
WINTransceiver
TO-92
2SC383
NPN
45V
50mA
300mW
33dB@45MHz
300MHz
WINTransceiver
TO-92
2SC388
NPN
25V
50mA
300mW
33dB@45MHz
300MHz
WINTransceiver
TO-92
2SC394
NPN
25
100mA
WINTransceiver
200MHz
WINTransceiver
TO-92
2SC454
NPN
30V
100mA
200mW
35dB@455kHz
230MHz
WINTransceiver
TO-92
2SC458
NPN
30V
100mA
200mW
WINTransceiver
230MHz
WINTransceiver
TO-92
2SC460
NPN
30V
100mA
200mW
29dB@10,7MHz
230MHz
5dB@1Mhz
TO-92
2SC461
NPN
30V
100mA
200mW
17dB@100MHz
230MHz
WINTransceiver
TO-92
2SC535
NPN
30V
20mA
100mW
20dB@100MHz
450MHz
3,5dB@100MHz
TO-92
2SC536
NPN
40V
100mA
WINTransceiver
180MHz
WINTransceiver
TO-92
2SC710
NPN
30V
30mA
200mW
WINTransceiver
200MHz
WINTransceiver
TO-92
2SC711
NPN
50V
30mA
200mW
WINTransceiver
200MHz
WINTransceiver
TO-92
2SC784
NPN
40V
20mA
WINTransceiver
500MHz
WINTransceiver
TO-92
2SC829
NPN
45V
50mA
250mW
70
230MHz
WINTransceiver
TO-92
2SC941
NPN
30V
100mA
400mW
50
120MHz
3,5dB@1MHz
TO-92
2SC945
NPN
60V
100mA
250mW
WINTransceiver
250MHz
WINTransceiver
TO-92
2SC1009
NPN
20V
50mA
150mW
100
250MHz
2dB@1MHz
SOT-23
2SC1047
NPN
20V
20mA
400mW
20dB@100MHz
450MHz
3,3dB@100MHz
TO-92
2SC1342
NPN
20V
30mA
100mW
17dB@100MHz
320MHz
5,5dB@100MHz
TO-92
2SC1674
NPN
30V
25mA
250mW
18dB@100MHz
600MHz
5dB@100MHz
TO-92
2SC1675
NPN
30V
30mA
250mW
40
150MHz
4dB@1MHz
TO-92
2SC1730
NPN
30V
50mA
250mW
WINTransceiver
1,1GHz
WINTransceiver
TO-92
2SC1815
NPN
40V
100mA
300mW
70
200MHz
1dB@1kHz
TO-92
2SC1856
NPN
20V
20mA
250mW
WINTransceiver
200MHz
WINTransceiver
TO-92
2SC1906
NPN
20V
50mA
300mW
33dB@45MHz
1GHz
WINTransceiver
TO-92
2SC1907
NPN
20V
50mA
300mW
40
1,1GHz
WINTransceiver
TO-92
2SC1923
NPN
30V
20mA
100mW
18dB@100MHz
550MHz
2,5dB@100MHz
TO-92
2SC2026
NPN
15V
50mA
WINTransceiver
2.2GHz
WINTransceiver
TO-92
2SC2037
NPN
15V
50mA
WINTransceiver
WINTransceiver
TO-92
2SC2120
NPN
30V
800mA
600mW
100
120MHz
WINTransceiver
TO-92
2SC2216
NPN
45V
50mA
300mW
29dB@45MHz
300MHz
WINTransceiver
TO-92
2SC2347
NPN
15V
50mA
250mW
20
650MHz
WINTransceiver
TO-92
2SC2349
NPN
15V
50mA
250mW
WINTransceiver
600MHz
WINTransceiver
TO-92
2SC2407
NPN
35V
150mA
600mW
WINTransceiver
500MHz
WINTransceiver
TO-92
2SC2471
NPN
30V
50mA
310mW
20
2GHz
WINTransceiver
TO-92
2SC2498
NPN
20V
50mA
300mW
80
3,5GHz
2,5dB@500MHz
TO-92
2SC2512
NPN
20V
50mA
300mW
20dB@200MHz
900MHz
3,8dB@200MHz
TO-92
2SC2644
NPN
12V
120mA
500mW
18dB@100MHz
4GHz
2dB@100MHz
TO-92
2SC2668
NPN
30V
20mA
100mW
18dB@100MHz
550MHz
2,5dB@100MHz
MINI
2SC2669
NPN
30V
50mA
200mW
30dB@10,7MHz
100MHz
WINTransceiver
MINI
2SC2717
NPN
25V
50mA
300mW
28dB@45MHz
300MHz
WINTransceiver
TO-92
2SC2724
NPN
30V
25mA
250mW
WINTransceiver
600MHz
WINTransceiver
TO-92
2SC2753
NPN
12V
70mA
300mW
27dB@100MHz
5GHz
1,7dB@100MHz
TO-92
2SC2786
NPN
20V
20mA
250mW
22dB@100MHz
600MHz
3dB@100MHz
MINI
2SC2787
NPN
30V
30mA
250mW
90
250MHz
2dB@1MHz
MINI
2SC2814
NPN
20V
30mA
150mW
25dB@100MHz
200MHz
3dB@100MHz
SOT-23
2SC2839
NPN
20V
30mA
150mW
25dB@100MHz
200MHz
3dB@100MHz
MINI
2SC2996
NPN
30V
50mA
150mW
15dB@100MHz
100MHz
4dB@150
SOT-23
2SC2999
NPN
20V
30mA
150mW
28dB@100MHz
450MHz
2,2dB@100MHz
MINI
2SC3000
NPN
20V
30mA
250mW
25dB@100MHz
200MHz
3dB@100MHz
TO-92
2SC3011
NPN
7V
30mA
150mW
27dB@100MHz
6,5MHz
2,3dB@1GHz
SOT-23
2SC3099
NPN
20V
30mA
150mW
24dB@100MHz
4GHz
1,7dB@100MHz
SOT-23
2SC3127
NPN
12V
50mA
150mW
10,5dB@900MHz
4,5GHz
2,2dB@900MHz
SOT-23
2SC3128
NPN
12V
50mA
350mW
10,5dB@900MHz
4,5GHz
2,2dB@900MHz
TO-92
2SC3142
NPN
20V
30mA
150mW
28dB@100MHz
450MHz
2,2dB@100MHz
SOT-23
2SC3195
NPN
30V
20mA
100mW
WINTransceiver
550MHz
WINTransceiver
MINI
2SC3355
NPN
12V
100mA
600mW
9,5dB@1GHz
6,5GHz
1,1dB@1GHz
TO-92
2SC3356
NPN
12V
100mA
200mW
11dB@1GHz
7GHz
1,1dB@1GHz
SOT-23
2SC3429
NPN
12V
70mA
150mW
28dB@100MHz
5GHz
1,7dB@100MHz
SOT-23
2SC3510
NPN
12V
50mA
600mW
10,5dB@900MHz
4,5GHz
2,2dB@900MHz
TO-92
2SC3512
NPN
10V
50mA
600mW
10,5dB@900MHz
6GHz
1,6dB@900MHz
TO-92
2SC3582
NPN
10V
65mA
600mW
13dB@1GHz
8GHz
1,2dB@1GHz
TO-92
2SC3605
NPN
12V
80mA
600mW
27dB@100MHz
6,5GHz
1,1dB@100MHz
TO-92
2SC3606
NPN
12V
80mA
150mW
28dB@100MHz
5GHz
1dB@500MHz
SOT-23
2SC3663
NPN
12V
50mA
350mW
15dB@200MHz
6dB@60MHz
TO-92
2SC4173
NPN
30V
50mA
150mW
100
250MHz
2dB@1MHz
SOT-23
2SC4308
NPN
20V
300mA
600mW
50
2,5GHz
WINTransceiver
TO-92
2SC4317
NPN
10V
40mA
150mW
28dB@100MHz
7GHz
1dB@1GHz
SOT-23
2SC4321
NPN
10V
40mA
150mW
28dB@100MHz
7GHz
1dB@1GHz
SOT-23
2SC4322
NPN
10V
15mA
150mW
24dB@100MHz
7GHz
1,4dB@1GHz
SOT-23
2SC4399
NPN
20V
30mA
150mW
25dB@100MHz
200MHz
3dB@100MHz
SOT-23
2SC4433
NPN
18V
50mA
300mW
26dB@100MHz
750MHz
WINTransceiver
MINI
2SC4628
NPN
20V
20mA
200mW
10dB@800MHz
1GHz
7dB@100MHz
TO-92
2SC4629
NPN
9V
50mA
600mW
11,5dB@900MHz
8GHz
1,2dB@900MHz
TO-92
2SC4874
NPN
12V
50mA
600mW
10dB@900MHz
5,8GHz
1,8dB@900MHz
TO-92
2SC4875
NPN
9V
50mA
450mW
11,5dB@900MHz
8,5GHz
1,3dB@900MHz
TO-92
2SC5064
NPN
12V
30mA
150mW
24dB@100MHz
5GHz
1dB@500MHz
SOT-23
2SC5084
NPN
12V
80mA
150mW
26dB@100MHz
5GHz
1dB@500MHz
SOT-23
2SC5085
NPN
12V
80mA
150mW
16,5dB@500MHz
5GHz
1dB@500MHz
SOT-23
2SC5089
NPN
10V
40mA
150mW
28dB@100MHz
7GHz
1,1dB@1GHz
SOT-23
2SC5094
NPN
10V
15mA
150mW
23dB@100MHz
7GHz
1,4dB@1GHz
SOT-23
2SC5106
NPN
10V
30mA
150mW
21dB@100MHz
4GHz
WINTransceiver
SOT-23
2SC5109
NPN
10V
60mA
150mW
21dB@100MHz
3GHz
WINTransceiver
SOT-23
2SC5254
NPN
7V
40mA
150mW
28dB@100MHz
9GHz
1,1dB@1GHz
SOT-23
2SC5259
NPN
7V
15mA
150mW
22dB@100MHz
9GHz
1,3dB@1GHz
SOT-23
2SC5570
NPN
15V
50mA
350mW
1,5dB@200MHz
700MHz
6,5dB@60MHz
TO-92
2SK380
NPN
30V
50mA
300mW
WINTransceiver
400MHz
WINTransceiver
TO-92
2SK1923
NPN
30V
20mA
100mW
WINTransceiver
550MHz
2,5dB@100MHz
TO-92
BF115
NPN
30V
25mA
125mW
45
250MHz
WINTransceiver
TO-72
BF167
NPN
30V
25mA
125mW
26
350MHz
WINTransceiver
TO-92
BF173
NPN
25V
25mA
200mW
40
700MHz
2,6dB@36MHz
TO-72
BF180
NPN
20V
20mA
150mW
15
675MHz
WINTransceiver
TO-72
BF184
NPN
20V
30mA
150mW
75
300MHz
WINTransceiver
TO-72
BF185
NPN
20V
30mA
150mW
35
220MHz
WINTransceiver
TO-72
BF198
NPN
30V
25mA
500mW
WINTransceiver
400MHz
WINTransceiver
TO-92
BF199
NPN
25V
25mA
300mW
40
550MHz
6dB@45MHz
TO-92
BF200
NPN
20V
20mA
150mW
15
650MHz
WINTransceiver
TO-72
BF224
NPN
30V
50mA
250mW
30
450MHz
WINTransceiver
TO-92
BF240
NPN
40V
25mA
300mW
67
150MHz
4dB@60MHz
TO-92
BF241
NPN
40V
25mA
WINTransceiver
WINTransceiver
TO-92
BF254
NPN
20V
30mA
200mW
WINTransceiver
200MHz
WINTransceiver
TO-92
BF255
NPN
20V
30mA
300mW
WINTransceiver
200MHz
WINTransceiver
TO-92
BF314
NPN
30V
25mA
300mW
30
600MHz
2dB@200MHz
BF324
PNP
30V
25mA
300mW
25
450MHz
WINTransceiver
TO-92
BF370
NPN
15V
200mA
500mW
40
500MHz
WINTransceiver
TO-92
BF414
NPN
30V
25mA
300mW
80
400MHz
3dB@100MHz
TO-92
BF494
NPN
20V
30mA
300mW
67
120MHz
4dB@
TO-92
BF495
NPN
20V
30mA
300mW
35
120MHz
4dB@
TO-92
BF496
NPN
20V
20mA
300mW
30dB@100MHz
550MHz
2,5dB@200Mhz
TO-92
BF506
PNP
35V
30mA
300mW
17,5dB@200MHz
300MHz
3dB@200Mhz
TO-92
BF689K
NPN
15V
25mA
360mW
16dB@200MHz
1,8GHz
3dB@200Mhz
TO-92
BF748
NPN
20V
50mA
500mW
20dB@100MHz
1,2GHz
4,5dB@100Mhz
TO-92
BF751
NPN
14V
35mA
600mW
11dB@1000MHz
6,5GHz
2,7dB@1000Mhz
TO-92
BF763
NPN
15V
25mA
360mW
13dB@800MHz
1,8GHz
WINTransceiver
TO-92
BF775
NPN
15V
30mA
280mW
15dB@900MHz
5GHz
1,8dB@900MHz
SOT-23
BF799W
NPN
20V
35mA
280mW
WINTransceiver
800MHz
3dB@100MHz
SOT-23
BF840
NPN
40V
25mA
280mW
65
380MHz
1,7dB@100kHz
SOT-23
BF926
NPN
20V
25mA
250mW
17,5dB@200MHz
350MHz
5dB@200Mhz
TO-92
BF959
NPN
20V
100mA
500mW
40
600MHz
3dB@200MHz
TO-92
BFR90
NPN
15V
30mA
300mW
19,5dB@500MHz
5GHz
2,2dB@500MHz
SOT-37
BFR90A
NPN
15V
30mA
300mW
16dB@800MHz
6GHz
2,8dB@800MHz
SOT-37
BFR91
NPN
12V
50mA
300mW
18dB@500MHz
5GHz
1,9dB@500MHz
SOT-37
BFR91A
NPN
12V
50mA
300mW
14dB@800MHz
6GHz
1,6dB@800MHz
SOT-37
BFR92
NPN
15V
30mA
200mW
19,5dB@500MHz
5GHz
2,2dB@500MHz
SOT-23
BFR92A
NPN
15V
30mA
200mW
16dB@800MHz
6GHz
1,8dB@800MHz
SOT-23
BFR92L
NPN
15V
35mA
350mW
WINTransceiver
3,4GHz
WINTransceiver
SOT-23
BFR93
NPN
12V
40mA
200mW
18dB@500MHz
5GHz
1,9dB@500MHz
SOT-23
BFR93A
NPN
12V
40mA
200mW
14dB@800MHz
6GHz
1,6dB@800MHz
SOT-23
BFR93L
NPN
12V
35mA
350mW
WINTransceiver
3GHz
2,5dB@30MHz
SOT-23
BFR96
NPN
15V
100mA
500mW
14,5dB@500MHz
4,5GHz
2dB@500MHz
SOT-37
BFR96T
NPN
15V
75mA
500mW
16dB@500MHz
5GHz
2,3dB@500MHz
SOT-23
BFR96TS
NPN
15V
100mA
700mW
11,5dB@800MHz
5GHz
3,3dB@500MHz
SOT-23
BFR520
NPN
15V
70mA
300mW
60
9GHz
1,1dB@900MHz
SOT-23
BFY90
NPN
15V
50mA
200mW
21dB@200MHz
1,7GHz
2,5dB@200MHz
TO-72
KTC3194
NPN
30V
20mA
625mW
18dB@100MHz
550MHz
2,5dB@100MHz
MINI
KTC3195
NPN
30V
20mA
400mW
18dB@100MHz
550MHz
2,5dB@100MHz
MINI
KTC3880
NPN
30V
20mA
150mW
18dB@100MHz
550MHz
2,5dB@100MHz
SOT-23
MPS536
PNP
10V
30mA
625mW
14dB@500MHz
5GHz
4,5dB@500MHz
TO-92
MPS571
NPN
10V
80mA
625mW
14dB@500MHz
5GHz
2dB@500MHz
TO-92
MPS901
NPN
15V
30mA
625mW
12dB@900MHz
5GHz
2,5dB@900MHz
TO-92
MPS911
NPN
12V
40mA
625mW
16,5dB@500MHz
7GHz
1,7dB@500MHz
TO-92
MPS3866
NPN
30V
400mA
625mW
10dB@400MHz
800MHz
WINTransceiver
TO-92

Accurate LC Meter Capacitance Inductance Meter with 16F628 and LCD
Volt Ampere Meter with 16F876 Microcontroller and LCD display
 
Accurate LC Meter

Build your own Accurate LC Meter (Capacitance Inductance Meter) and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings.
PIC Volt Ampere Meter

Volt Ampere Meter measures voltage of 0-70V or 0-500V with 100mV resolution and current consumption 0-10A or more with 10mA resolution. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. The meter uses PIC16F876A microcontroller with 16x2 backlighted LCD.

50MHz 60MHz Frequency Meter / Counter with 16F628 & LCD
1Hz - 2MHz XR2206 Function Generator
60MHz Frequency Meter / Counter

Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc.
1Hz - 2MHz XR2206 Function Generator

1Hz - 2MHz XR2206 Function Generator produces high quality sine, square and triangle waveforms of high-stability and accuracy. The output waveforms can be both amplitude and frequency modulated. Output of 1Hz - 2MHz XR2206 Function Generator can be connected directly to 60MHz Counter for setting precise frequency output.

BA1404 HI-FI Stereo FM Transmitter
USB IO Board PIC18F2455 / PIC18F2550
BA1404 HI-FI Stereo FM Transmitter

Be "On Air" with your own radio station! BA1404 HI-FI Stereo FM Transmitter broadcasts high quality stereo signal in 88MHz - 108MHz FM band. It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground.
USB IO Board

USB IO Board is a tiny spectacular little development board / parallel port replacement featuring PIC18F2455/PIC18F2550 microcontroller. USB IO Board is compatible with Windows / Mac OSX / Linux computers. When attached to Windows IO board will show up as RS232 COM port. You can control 16 individual microcontroller I/O pins by sending simple serial commands. USB IO Board is self-powered by USB port and can provide up to 500mA for electronic projects. USB IO Board is breadboard compatible.

ESR Meter / Transistor Tester Kit
Audiophile Headphone Amplifier Kit
 
ESR Meter / Capacitance / Inductance / Transistor Tester Kit

ESR Meter kit is an amazing multimeter that measures ESR values, capacitance (100pF - 20,000uF), inductance, resistance (0.1 Ohm - 20 MOhm), tests many different types of transistors such as NPN, PNP, FETs, MOSFETs, Thyristors, SCRs, Triacs and many types of diodes. It also analyzes transistor's characteristics such as voltage and gain. It is an irreplaceable tool for troubleshooting and repairing electronic equipment by determining performance and health of electrolytic capacitors. Unlike other ESR Meters that only measure ESR value this one measures capacitor's ESR value as well as its capacitance all at the same time.
Audiophile Headphone Amplifier Kit

Audiophile headphone amplifier kit includes high quality audio grade components such as Burr Brown OPA2134 opamp, ALPS volume control potentiometer, Ti TLE2426 rail splitter, Ultra-Low ESR 220uF/25V Panasonic FM filtering capacitors, High quality WIMA input and decoupling capacitors and Vishay Dale resistors. 8-DIP machined IC socket allows to swap OPA2134 with many other dual opamp chips such as OPA2132, OPA2227, OPA2228, dual OPA132, OPA627, etc. Headphone amplifier is small enough to fit in Altoids tin box, and thanks to low power consumption may be supplied from a single 9V battery.
 

Arduino Prototype Kit
RF Remote Control 433MHz Four Channel
 
Arduino Prototype Kit

Arduino Prototype is a spectacular development board fully compatible with Arduino Pro. It's breadboard compatible so it can be plugged into a breadboard for quick prototyping, and it has VCC & GND power pins available on both sides of PCB. It's small, power efficient, yet customizable through onboard 2 x 7 perfboard that can be used for connecting various sensors and connectors. Arduino Prototype uses all standard through-hole components for easy construction, two of which are hidden underneath IC socket. Board features 28-PIN DIP IC socket, user replaceable ATmega328 microcontroller flashed with Arduino bootloader, 16MHz crystal resonator and a reset switch. It has 14 digital input/output pins (0-13) of which 6 can be used as PWM outputs and 6 analog inputs (A0-A5). Arduino sketches are uploaded through any USB-Serial adapter connected to 6-PIN ICSP female header. Board is supplied by 2-5V voltage and may be powered by a battery such as Lithium Ion cell, two AA cells, external power supply or USB power adapter.
200m 4-Channel 433MHz Wireless RF Remote Control

Having the ability to control various appliances inside or outside of your house wirelessly is a huge convenience, and can make your life much easier and fun. RF remote control provides long range of up to 200m / 650ft and can find many uses for controlling different devices, and it works even through the walls. You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of.
 

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face="Verdana, Arial, Helvetica, sans-serif">800MHz

WINTransceiver
TO-92

Accurate LC Meter Capacitance Inductance Meter with 16F628 and LCD
Volt Ampere Meter with 16F876 Microcontroller and LCD display
 
Accurate LC Meter

Build your own Accurate LC Meter (Capacitance Inductance Meter) and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings.
PIC Volt Ampere Meter

Volt Ampere Meter measures voltage of 0-70V or 0-500V with 100mV resolution and current consumption 0-10A or more with 10mA resolution. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. The meter uses PIC16F876A microcontroller with 16x2 backlighted LCD.

50MHz 60MHz Frequency Meter / Counter with 16F628 & LCD
1Hz - 2MHz XR2206 Function Generator
60MHz Frequency Meter / Counter

Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc.
1Hz - 2MHz XR2206 Function Generator

1Hz - 2MHz XR2206 Function Generator produces high quality sine, square and triangle waveforms of high-stability and accuracy. The output waveforms can be both amplitude and frequency modulated. Output of 1Hz - 2MHz XR2206 Function Generator can be connected directly to 60MHz Counter for setting precise frequency output.

BA1404 HI-FI Stereo FM Transmitter
USB IO Board PIC18F2455 / PIC18F2550
BA1404 HI-FI Stereo FM Transmitter

Be "On Air" with your own radio station! BA1404 HI-FI Stereo FM Transmitter broadcasts high quality stereo signal in 88MHz - 108MHz FM band. It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground.
USB IO Board

USB IO Board is a tiny spectacular little development board / parallel port replacement featuring PIC18F2455/PIC18F2550 microcontroller. USB IO Board is compatible with Windows / Mac OSX / Linux computers. When attached to Windows IO board will show up as RS232 COM port. You can control 16 individual microcontroller I/O pins by sending simple serial commands. USB IO Board is self-powered by USB port and can provide up to 500mA for electronic projects. USB IO Board is breadboard compatible.

ESR Meter / Transistor Tester Kit
Audiophile Headphone Amplifier Kit
 
ESR Meter / Capacitance / Inductance / Transistor Tester Kit

ESR Meter kit is an amazing multimeter that measures ESR values, capacitance (100pF - 20,000uF), inductance, resistance (0.1 Ohm - 20 MOhm), tests many different types of transistors such as NPN, PNP, FETs, MOSFETs, Thyristors, SCRs, Triacs and many types of diodes. It also analyzes transistor's characteristics such as voltage and gain. It is an irreplaceable tool for troubleshooting and repairing electronic equipment by determining performance and health of electrolytic capacitors. Unlike other ESR Meters that only measure ESR value this one measures capacitor's ESR value as well as its capacitance all at the same time.
Audiophile Headphone Amplifier Kit

Audiophile headphone amplifier kit includes high quality audio grade components such as Burr Brown OPA2134 opamp, ALPS volume control potentiometer, Ti TLE2426 rail splitter, Ultra-Low ESR 220uF/25V Panasonic FM filtering capacitors, High quality WIMA input and decoupling capacitors and Vishay Dale resistors. 8-DIP machined IC socket allows to swap OPA2134 with many other dual opamp chips such as OPA2132, OPA2227, OPA2228, dual OPA132, OPA627, etc. Headphone amplifier is small enough to fit in Altoids tin box, and thanks to low power consumption may be supplied from a single 9V battery.
 

Arduino Prototype Kit
RF Remote Control 433MHz Four Channel
 
Arduino Prototype Kit

Arduino Prototype is a spectacular development board fully compatible with Arduino Pro. It's breadboard compatible so it can be plugged into a breadboard for quick prototyping, and it has VCC & GND power pins available on both sides of PCB. It's small, power efficient, yet customizable through onboard 2 x 7 perfboard that can be used for connecting various sensors and connectors. Arduino Prototype uses all standard through-hole components for easy construction, two of which are hidden underneath IC socket. Board features 28-PIN DIP IC socket, user replaceable ATmega328 microcontroller flashed with Arduino bootloader, 16MHz crystal resonator and a reset switch. It has 14 digital input/output pins (0-13) of which 6 can be used as PWM outputs and 6 analog inputs (A0-A5). Arduino sketches are uploaded through any USB-Serial adapter connected to 6-PIN ICSP female header. Board is supplied by 2-5V voltage and may be powered by a battery such as Lithium Ion cell, two AA cells, external power supply or USB power adapter.
200m 4-Channel 433MHz Wireless RF Remote Control

Having the ability to control various appliances inside or outside of your house wirelessly is a huge convenience, and can make your life much easier and fun. RF remote control provides long range of up to 200m / 650ft and can find many uses for controlling different devices, and it works even through the walls. You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of.