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Talkie Walkie Review of the Binatone MR600 PMR Two Way Radios

Just prior our 2003 Devon holiday we bought a twin pack Private Mobile Radio (PMR) system, often called talkie walkies or two way radios.  Here's our review...
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This review assumes a basic understanding of the appropriate technology. Reviewed October 2004.

Two way radio review, come in please, over...
Alpha Brava one to base, receiving you loud and clear, go ahead, over...

We figured carrying a couple of talkie walkie two way radios would help us keep in touch with each other when we sometimes split up during our tourist visits  - and save on mobile phone costs.  The Private Mobile Radio (PMR) system uses frequencies in the 446 MHz band and allows individuals to communicate over short distances without the need for a licence and without any contract or call costs.  Eight channels are available and 38 CTCSS codes sub-divide these channels to provide closed group communication.  The radios have rechargeable batteries which are conveniently charged by dropping the talkie walkies into a cradle.  Operation is by pressing the Press-To-Talk (PTT) button and a Call Alert tone can be sent (10 available).  Voice Operated Transmission (VOX) allows hands free operation.  Transmission range is quoted as up to 3 km (2 miles)... well, we'll see...

On the right. The rounded style of the talkie walkie two way radio and its stubby little aerial.

The holiday cottage was just up the road from the local convenience store and our first use of the talkie walkies was when Belinda, armed with a radio, received a call from Mike when he remembered a shopping item (and it wasn't the beer!).  Without the radios he would have had to use the mobile phone, or get off the sofa and run down the road - and we can't have that!  Another occasion occurred when Mike 'disappeared' on the South Devon Railway train and Belinda called him up to ask where her coffee was he'd trotted off to get.  It turned out he'd got the coffee, but then got delayed yacking to some steam buffs in the dining car! >>>

<<< On a hot walk round the South West Coast Path from Hope Cove Belinda took a breather at Thurlestone while Mike carried on towards Bantham.  Here we began to realise shortcomings with the transmission range, as shortly after rounding the headland contact became patchy.  Sometime later back home we did some range tests...

Above. The talkie walkie signal faded out once round the headland on the other side of the beach seen above.

Testing the talkie walkies 3 km range
Safely back from holiday we decided to test the actual distance we could communicate with the two way radios.  We started off at our home, Belinda walked towards the village centre (picture right) while Mike walked in the opposite direction. It wasn't long before reception got patchy and we lost touch.  On our return home we plotted the distance achieved on the map and it turned out to be barely 1 km, a third of the quoted range.  Now, although built-up we hardly live in the great metropolis so were rather disappointed with this.  But to balance this we also took the talkie walkies up our local hill on the South Downs, and from the top we could comfortably hear our local garden centre over 3 kms away.  They use professional PMR446 radios, but we also heard domestic signals from a similar distance.  A check on the Internet revealed that not all consumer PMR talkie walkies are created equal and some perform better than others, despite government specified design limitations (power limit, no 'gain' aerial, etc).

Testing other features of the two way radios
The talkie walkies have a VOX feature that starts transmitting once it detects your voice.  Three levels of sensitivity can be set and we tried this in the car using the provided hands free ear/mic cable.  Ambient noise caused transmission on the most sensitive setting, while the two lower settings required shouting to make it send.  Best forget the VOX function then!  Then again, it could function well as a baby alarm - just need the baby now.

There's a scanning feature on the two way radios that continually scans all eight channels for a signal, and the LCD display illuminates briefly when a button is pressed.  The display indicates when transmission or reception is taking place, battery charge state, channel, CTCSS code and volume level.

Using a CTCSS code isn't compulsory, in which case you may hear other users on the same channel.  However, using this code doesn't ensure communication privacy and can cause reception to cut-out if a stronger transmission is in operation on the same channel.  The LCD display indicates when a signal is being received on a channel, irrespective of any CTCSS code and a press of the monitor button will make audible all communication on that channel.  We've seen some misleading advertising indicating '304 channels' - gained by multiplying the 8 channels by the 38 CTCSS codes.  Ohhh, naughty!  At the end of the day there's still only 8 channels!

In the following year on our 2004 Scotland holiday we found the radios to be a godsend in the cottage.  The kitchen/conservatory distance was beyond shouting range, so the two way radios were ideal for Belinda to order a tea/wine/cider while Mike was slaving away in the kitchen preparing the evening meal!  A slight irritation is the impossibility of standing the radios vertically owing to the rounded styling and one thing we noticed after a year's use was minor dust build-up behind the plastic over the LCD display.

Other uses we found for the radios include:

• Belinda reels in Mike from washing the car when dinner's ready (very domestic!)

• When shopping Belinda prefers the clothes shops while Mike technology ones (or the pub).  We call each other when it's time to meet back up

• Belinda tends to call Mike up from the train station to get the kettle on and have a cup of tea ready after returning from a hard day's shopping

• Keeping an ear out for fellow Geocachers when Geocaching

• Placing a radio in the cat's basket and making cat sounds through it really winds up the cat up!

Other suggestions:

• Keeping in touch at large events, eg county shows, party in the park, football matches, firework displays, open air concerts, on the crowded beach, driving in convoy

• Call your mates at the pub to get a pint in just before you arrive

• Wake up your partner with the Call Alert tone when he/she falls asleep in the bath

• Baby alarm

Any other points
The two way radios have a button lock, eg to prevent inadvertent channel change, and the key tones can be turned off.  An auto power off feature to save battery power if not used for a while is available as is a stopwatch timer.  It's possible to use dry cells (or higher capacity rechargeable) in place of the pack provided as the talkie walkies take four standard sized 'AAA' cells.  In this case it wouldn't be possible to use the drop in charger pod.

Overall conclusions
The Binatone two way radios (or three way, four way or however many you wish) are a very useful communication method over short distances.  However, that distance is severely limited by the low power and aerial constraints governed by the PMR446 licence free regulations.  While our Binatone talkie walkies are adequate, there are undoubtedly better units around and if in the market again we'd do some more research before purchase.  That's about it, Alpha Brava one over and out!

You can find the Binatone website at:  www.binatoneonline.com/twoway.aspx

PMR related website resources:
Review Centre - two way radio reviews.
Radiocommunications Agency - PMR446 Information Sheet.
446 User - reviews and a forum for PMR446 users.
TelecomsAdvice - Using PMR for businesses.

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Also please let us know if you have any review suggestions.

© micbinks 2004. Please ask permission if you wish to reproduce any of this content in full or in part.

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