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Sintechi RS-232 to RS-485 Passive Converter, Sintechi RS-232 to RS-485

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Sintechi RS-232 to RS-485 Passive Converter, Sintechi RS-232 to RS-485

HK$24.00 HKD

In stock

Receives in 8 days.

Serial RS232 DB9 9 Pin Female to Female Adapter Converter, RS232 Male to Male, RS232 Female to Female

Trustpick

Serial RS232 DB9 9 Pin Female to Female Adapter Converter, RS232 Male to Male, RS232 Female to Female

HK$6.00 HKD

In stock

Receives in 8 days.

RETEVIS RT83 10W 400-470MHz 1024CHS Waterproof DMR Digital Dual Time Two Way Radio Walkie Talkie, GPS Version, RT83, GPS Version

RETEVIS

RETEVIS RT83 10W 400-470MHz 1024CHS Waterproof DMR Digital Dual Time Two Way Radio Walkie Talkie, GPS Version, RT83, GPS Version

HK$877.00 HKD

1. Using TDMA technology, combined with Tier II, AMBE++ vocoder design, compatible with DMR two-way radios such as mototrbo
2. The color display allows users to check the operating status at a glance, including battery power and caller identity, etc.
3. IP67 waterproof and dustproof function, so you can use them anywhere without worrying about the surrounding environment
4. Function: GPS, high/low power optional, digital encryption, emergency alert, VOX, scan, message, etc.
5. Frequency range: 400-470MHz
6. Channel capacity: 1024 channels
7. Channel spacing: 12.5KHz
8. Working voltage: 7.4V
9. Battery capacity: 2800mAh (lithium ion)
10. Antenna impedance: 50 ohms
11. Size: 148x56x39mm

Transmitter:
1. Output power: 10W / 4W
2. Frequency stability: +/-1.0ppm
3. Adjacent channel power: less than or equal to -60dbm
4. Idle time slot power: TDMA: less than or equal to -57dBm
5. FM modulation mode: 12.5KHz: 11K0F3E
6. Modulation deviation: 2.5KHz: @ 12.5KHz
7. Passive time slot power: -57dBm
8. Modulation: BER is less than or equal to 5%
9. Vocoder type: AMBE ++

Receiver:
1. Common channel reflection: greater than or equal to -12dB
2. Adjacent channel selectivity: TIA603C: 65dB, ETSI: 60dB
3. Spurious response: TIA603C: 75dB, ETSI: 70dB
4. Audio power: 1W
5. Audio response: 1db--3db
6. Rated audio distortion: less than or equal to 3%

Specification:

General

Model

RT83

Frequency Range

400MHz-470MHz

Channel Spacing

12.5KHz

Antenna Impedance

50 ohms

Voltage

7.4V

Battery Capacity

2800mAh

Max Power

10W

Audio Response

1db--3db

Audio Distortion

less than or equal to 3%

Size	148x56x39mm

Transmitter Parameters

Maximum Deviation

=<+/-2.5kHz

Receiver Parameters

Adjacent Channel Selectivity

65dB, 60dB

Package Weight

One Package Weight

0.89kgs / 1.96lb

One Package Size

21cm * 9cm * 17cm / 8.27inch * 3.54inch * 6.69inch

Qty per Carton

10

Carton Weight

10.35kgs / 22.82lb

Carton Size

21cm * 45cm * 34cm / 8.27inch * 17.72inch * 13.39inch

Loading Container

20GP: 829 cartons * 10 pcs = 8290 pcs
40HQ: 1926 cartons * 10 pcs = 19260 pcs

In stock

Receives in 8 days.

USB 2.0 to RS232 Serial Port DB9 9Pin Male Cable Converter Adapter, USB to RS232

Trustpick

USB 2.0 to RS232 Serial Port DB9 9Pin Male Cable Converter Adapter, USB to RS232

HK$15.00 HKD

In stock

Receives in 8 days.

RETEVIS RT29 10W UHF 400-480MHz 16CHS Two Way Radio Handheld Walkie Talkie,, RT29,EU Plug, RT29,US Plug

RETEVIS

RETEVIS RT29 10W UHF 400-480MHz 16CHS Two Way Radio Handheld Walkie Talkie,, RT29,EU Plug, RT29,US Plug

From HK$426.00 HKD

1. High power 10W, longer communication distance
2. High capacity battery, long standby time
3. Scrambler ensures communication confidentiality
4. Functions: CTCSS&DCS, monitoring function, emergency alarm, scanning, TOT (timeout timer), squelch, VOX, power saving, low battery prompt, etc.
5. Frequency range: 400-480MHz
6. Channel number: 16
7. Output power: 10W
8. Working voltage: 7.4V DC
9. Battery capacity: 3200mAh (lithium ion)
10. Audio distortion: less than 5%
11. Frequency stability: +/-2.5ppm
12. Frequency deviation: less than or equal to 2.5KHz
13. Spurious emission: less than or equal to 7uW
14. Reference sensitivity: less than or equal to 0.3uV
15. Squelch: less than or equal to 0.25uV
16. Adjacent channel selectivity: greater than or equal to 65dB
17. Spurious response: greater than or equal to 55dB
18. Current: less than or equal to 1.5A
19. Dimensions (with battery, without antenna): 151x58x38mm
20. Weight (including battery and antenna): 335g

Specification:

General

Model

RT29

Frequency Range

UHF 400MHz-480MHz

Channel

16

Frequency Stability

2.5ppm

Voltage

7.4V

Plug Available

US Plug

Max Power

10W

Audio Distortion

less than 5%

Sensitivity

less than or equal to 0.3uV

Size	151x58x38mm

Weight

335g

Receiver Parameters

Adjacent Channel Selectivity

>= 65dB(W)

Package Weight

One Package Weight

0.71kgs / 1.56lb

One Package Size

26cm * 22cm * 7cm / 10.24inch * 8.66inch * 2.76inch

Qty per Carton

10

Carton Weight

8.55kgs / 18.85lb

Carton Size

26cm * 44cm * 35cm / 10.24inch * 17.32inch * 13.78inch

Loading Container

20GP: 666 cartons * 10 pcs = 6660 pcs
40HQ: 1546 cartons * 10 pcs = 15460 pcs

In stock

Receives in 8 days.

USB to RS232 9 Pin Male Cable & RS232 9P Female to RS232 25 Pin Male Adapter with Single Chip, USB to RS232 with Single Chip

Trustpick

USB to RS232 9 Pin Male Cable & RS232 9P Female to RS232 25 Pin Male Adapter with Single Chip, USB to RS232 with Single Chip

HK$28.00 HKD

In stock

Receives in 8 days.

RETEVIS RT20 2W 400-470MHz 16CHS Mini FM Radio Two Way Radio Walkie Talkie,, RT20,US Plug

RETEVIS

RETEVIS RT20 2W 400-470MHz 16CHS Mini FM Radio Two Way Radio Walkie Talkie,, RT20,US Plug

HK$162.00 HKD

In stock

Receives in 8 days.

IEEE 1284 to RS232 25 Pin Male Cable, 25sb, Length: 1.5m, IEEE 1284 to DB25 (18s)

Trustpick

IEEE 1284 to RS232 25 Pin Male Cable, 25sb, Length: 1.5m, IEEE 1284 to DB25 (18s)

HK$15.00 HKD

In stock

Receives in 8 days.

USB 2.0 AM to BF Printer Adapter Converter, USB 2.0 AM (Black)

Trustpick

USB 2.0 AM to BF Printer Adapter Converter, USB 2.0 AM (Black)

HK$7.00 HKD

In stock

Receives in 8 days.

RETEVIS RT1 10W UHF 400-520MHz 16CH Handheld Walkie Talkie,, RT1 400-520MHz US Plug, RT1 400-520MHz EU Plug

RETEVIS

RETEVIS RT1 10W UHF 400-520MHz 16CH Handheld Walkie Talkie,, RT1 400-520MHz US Plug, RT1 400-520MHz EU Plug

HK$603.00 HKD

1. High power 10W, longer communication distance
2. High capacity battery, long standby time
3. Scrambler ensures communication confidentiality
4. Two antennas (high-gain antenna and common antenna) to increase the distance
5. Frequency range: UHF: 400-520MHz
6. Channel capacity: 16
7. Output power: High: 10W / Low: 5W
8. Working voltage: 7.2V DC
9. Antenna impedance: 50 ohms
10. Working temperature: -20~+50 degrees Celsius
11. Frequency interval: 12.5kHz / 25kHz
12. Battery capacity: 3000mAh
13. Modulation noise: less than -40dB
14. Modulation distortion: less than 55
15. Frequency stability: 5ppm
16. Current: less than or equal to 2600mA
17. Audio response: +6.5—-14dB
18. Adjacent channel power: greater than or equal to 65dB
19. Intermediary sensitivity: 8-12mv
20. Standby time up to 260 hours
21. VOX sensitivity adjustable
22. Voice companding, squelch adjustment, receiving alarm, time-out timer (TOT), scanning, end tone elimination and other functions
23. Dimensions (not including antenna): 133x59x36mm
24. Weight (including battery): 272g
25. The package contains: 1x portable radio, 2x antenna (high gain antenna and common antenna), 1x polymer lithium ion battery pack, 1x adapter, 1x charger, 1x belt clip, 1x user manual

Specification:

General

Model

RT1

Frequency Range

UHF 400MHz-520MHz

Channel

16

Frequency Stability

5ppm

Channel Spacing

12.5kHz / 25kHz