Walkie Talkie Kakie (FRS & GMRS)

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waxxy
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby waxxy » Thu Nov 06, 2008 3:19 pm

hi sifus around here.

just looking for a pair for use in shopping center. used to own a pair of motorola talkabout which was rated at 10miles range. but it dun even cover 1utama new wing. :frus:

so looking for a new set. any1 got suggestion what to get which at least can cover the entire 1utama new and old wing lor. =P~

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stratman2
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby stratman2 » Fri Nov 07, 2008 2:30 pm

LLCC wrote:I recently moved house, and let me tell you, the FRS radio helped us a lot. I borrowed 3 more handsets in addition to my Standard Horizon for this move.
....

I'm really glad for the FRS radio's help in this move.

LL



That's certainly a very good situation in which FRS radios would prove useful. :mrgreen: Too bad that we don't have PTT (Push-To-Talk) service with our cellphone operators yet. With PTT, your mobile phone can be set to a very, very, very long range two-way radio. :D

Not sure how Maxis/Celcom/DiGi will charge accordingly if they do introduce it someday - either by a fixed monthly cost (postpaid) or by no. of kBytes transmitted.

With PTT service, you can set up a conversation channel with a group of friends like a conference call. There's no need to dial their individual numbers. Just transmit and everyone in your group will hear you, just like with ham radio.

The catch is that you'll also have to upgrade your mobile phone to a PTT-capable one. :-'
cheers,

Stratman II

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stratman2
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby stratman2 » Fri Nov 07, 2008 2:46 pm

waxxy wrote:hi sifus around here.

just looking for a pair for use in shopping center. used to own a pair of motorola talkabout which was rated at 10miles range. but it dun even cover 1utama new wing. :frus:

so looking for a new set. any1 got suggestion what to get which at least can cover the entire 1utama new and old wing lor. =P~



10 miles range, are you sure? :ko: Or did you mean 10 kms instead?

FRS/GMRS radios are not that effective in shopping centers (believe me I've tried at the old 1 Utama wing). Shopping centers are multi-segmented buildings with tons of steel and concrete. Signal from FRS radios are very much absorbed by walls, allowing very little to pass. That's why your Talkabout could not work because of the vastly reduced range.

FRS radios should work fine in huge concourse areas with little physical blockage, e.g. the KLIA's departure hall though.

The shopping mall security guards that you see are not using FRS/GMRS type of radios. They are most likely trunk radios (with repeaters) and their signal can even go down to the lowest parking basement.

If your FRS radio is already a 10-mile set like you said, don't bother looking for more powerful ones...you'll be wasting money bro. [-X

The answer would be a Push-To-Talk (PTT) service integrated with your mobile phone carrier (we don't have this yet, but USA does). Anywhere there's a mobile signal the other party should be able to receive your transmission - whether it's in the new 1 Utama wing or even in the Kinabalu National Park! :thumbsup:
cheers,

Stratman II

stevo
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby stevo » Fri Nov 07, 2008 6:37 pm

I've got a Puxing Px-777+. Cool stuff, works better than most Motorola handheld walkies.

1.ANI CODE(PTT ID)
2.Scrambler
3.VHF 5W/ UHF 4W output power
4.128 memory channels
5.Built-in 50 CTCSS and 104 DCS
6.Wide (25kHz) and Narrow(12.5kHz) channel spacing programmable in separate channels
7.Come with 1200mAh Li-ion battery/1600MAH option
8.Input Frequency directly by keypad
9.VOX built-in
10.Frequency Scan & CTCSS Scan
11.Three different scan type: TO/CO/SE
12.Three color LCD backlight display
13.Sound Alarm
14.Programmable by PC software
16.Priority Scan Function
17.Adjust power High/Low
18.Switching between Channel/VFO
19.Display Channel+ Frequency mode.
20.Adjust squelch level (0-9)
21.Busy channel lockout
22.Keypad lock
23.Reverse Frequency Function
24.Channel step 5k,10k,6.25k,12.5k,25k
25.Program alphanumeric channels name
26.Self-program
27.Voice Annunciation
28.CE/FCC approved
29. 136-174MHZ/400-470MHZ/240-250MHZ/450-512mhz/350-390MHZ/67-72MHZ

TECHNICAL:
Frequency Range 136―174MHz,245-246MHz,400—470MHz
Working Temperate -20℃―+50℃
Operating Voltage DC 7.2V
Operate Mode Simplex or Semi-duplex
Dimension 100mm×55mm×32mm (Not included Antenna)
Weight 220g (Including battery)
Antenna impedance 50Ω

Transmitter
Frequency Stability ±2.5PPM
Output Power ≦5W
Max Frequency Deviation ≦5KHz
Audio Distortion ≦3%
Modulation Character +3dB—-3dB
Adjacent Channel Power ≥65dB
Spurious Radiation ≤7.5UW(-36db for CE)
Occupied Bandwidth ≤16KHz

Receiver
RF Sensitivity <0.2UV(12DB SINAD)
Audio Distortion ≦3%
Audio Response +2dB—-10dB
Adjacent Channel Selectivity ≥60dB
Intermodulation Rejection ≥60dB
Blocking ≥80dB

More info here:
http://www.pxdz.com/english/showpro.asp?id=2327

Image


Anyone know where to get accessories?

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stratman2
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby stratman2 » Fri Nov 07, 2008 10:32 pm

stevo wrote:I've got a Puxing Px-777+. Cool stuff, works better than most Motorola handheld walkies.

More info here:
http://www.pxdz.com/english/showpro.asp?id=2327

Anyone know where to get accessories?



Nice two-way radio. I see that it can also transmit in the 2m ham radio band (144 MHz). Do you need a license to operate one of these?

My brother has a Yaesu portable ham transceiver but I never bothered toying with it. The damned radio is too complicated! But it's nice to eavesdrop on taxi drivers, certain police frequencies, etc. :evil:
cheers,

Stratman II

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sky90
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby sky90 » Sun Nov 16, 2008 11:48 am

LL, Thks for sharing!

just wondering: how do you find the standard horizon 470, and if you have used them under dense jungle?

Thinking of getting the 6w 750, but less size/weight is important to me

Cheers

LLCC
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby LLCC » Mon Nov 17, 2008 12:40 pm

sky90 wrote:LL, Thks for sharing!

just wondering: how do you find the standard horizon 470, and if you have used them under dense jungle?

Thinking of getting the 6w 750, but less size/weight is important to me

Cheers


HX470 is a Marine VHF. Not legal to use on land. However, like all FRS radios, the unit has very poor range in FRS mode TX/RX in forest.

LL

xtoilet
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby xtoilet » Fri Nov 21, 2008 6:25 pm

anyone see this GPS walkie talkie before?

how much it cost?
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xtoilet
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby xtoilet » Fri Nov 21, 2008 6:26 pm

OMG my pic so BIG :shock:

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alyem
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Re: Walkie Talkie Kakie (FRS & GMRS)

Postby alyem » Fri Nov 21, 2008 7:11 pm

xtoilet wrote:OMG my pic so BIG :shock:


Ya so BIG and so DARK.

No need so close la... can only see the table... not the walkie... :mrgreen:
73, 9w2yyl
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