The PD685 is a digital two way radio from Hytera. A dual analogue and digital radio, the PD685 is often a popular choice across many industries. With an LCD screen and full keypad, the PD685 stands at 122mm in height, 54mm in width and 27mm in depth. If used with the standard battery that comes with the radio it has a weight of 310g, this is the 1500mAh Li-Ion battery, which has a 16 hour battery duration. Should additional battery life be needed, a 2000mAh battery can be purchased for an additional cost, with this having the capacity to last up to 22 hours in digital mode.
Built to IP67 standards, the PD685 is entirely resistant to dust whilst also being able to continue working after being submerged under 1m of water for up to 30 minutes. A wealth of features such as IP Site Connect, Remote Monitor and Roaming come as standard with the PD685. The PD685 has safety features such as priority interrupt, allowing for communications to be broken in order to put out an urgent message.
The PD685 has a channel capacity of 1024, split across 64 zones with each zone being capable of holding 256 channels. 3 Programmable buttons allow for the customization of the radio, to make the use more suitable to the environment of which it is being used.
Features Explained
Digital Basic Privacy
Basic Privacy uses a fixed "key" which is set when the radio is programmed, of which there are 255 possible "keys". Whilst this level of privacy is technically basic encryption, it's nevertheless relatively insecure. Comparable to analogue 'inversion' scrambling, it will prevent the 'casual' listener from hearing anything, but does not guarantee against eavesdropping.
Basic Digital Privacy is built-in to the Hytera PD685.
Channel Scanning
Channel scanning enables the user to monitor a number of channels and respond when a transmission comes through. The scan feature can usually be programmed to include or exclude channels from the scan. Scanning fewer channels makes the scan faster.
A common example is when there is a private channel and community channel programmed. This is usually the case for a shop which is a member of the local business crime reduction (or shop-watch / pub-watch) scheme. The radio would "scan", or alternate between, both channels. Normally, they might only use channel 1 for their own private use within the organisation. But when a transmission (or call) comes through on the local business crime reduction (or shop-watch) scheme channel becomes active. Then within a few seconds the radio would revert back to it's original channel 1.
Digital hybrid radios can usually scan either or both digital and analogue channels simultaneously. This allows for an extremely flexible scan facility where the user can monitor many channels across both analogue and digital modes.
Channel Scanning is built-in to the Hytera PD685.
Voice Activation (VOX)
Voice activation, commonly refered to as VOX, allows the user to initiate the radio to transmit, simply by using their voice. Some radios only allow VOX capability via an external audio accessory such as an earpiece or headset which is VOX-enabled or has a VOX button.
Activating Voice Activation or VOX
There are two possible ways of enabling voice activation (VOX). The first is that we can program a VOX-enable / VOX disable button on the radio. The other option is that we supply an audio accessory, an earpiece or headset, that has a VOX button. Contact us for more information about this.
Programming May Be Required
There may be programming required to activate VOX on your radio. In any event, please talk to our knowledgeable staff and we will be able to offer advice on VOX activation.
Voice Activation (VOX) is built-in to the Hytera PD685, but a VOX-enabled audio accessory, such as an earpiece or headset, may be required.
Lone Worker Feature
Lone Worker is a feature found on many two way radios where it's able to send a pre-determined signal, for example a distress call or alarm, to other radios in range, Lone Worker requires some type of interaction from the radio user after a period of radio inactivity. An example of this is the radio can be set to require the radio operator to interact with his or her radio once every 30 minutes. If they fail to do so, their radio will start making an audible sound. If there is still no interaction with his or her radio within 1 further minute, a alarm will sound to other team members to tell them a team member is not responding to Lone Worker. The supervisor can then dispatch another team member to the non-reponsive team member's last known location to offer assistance.
Lone Worker is built-in to the Hytera PD685.
Hytera Warranty & Extension Options
All Hytera two way radios carry a 24 month return to base (RTB) warranty. Hytera will guarantee you a working radio by offering a repair for a period of two years from the purchase invoice date. The warranty only covers the radio itself and does not cover the battery, antenna or any other consumables or accessories.
Please read the Hytera warranty policy and DOA (dead on arrival) policy.
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Standard Warranty |
Extended Warranty Options |
| Period of Cover |
2 Years RTB |
3 Years RTB |
4 Years RTB |
5 Years RTB |
| Manufacturer Defects Only |
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| Covers Normal Wear & Tear |
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| Covers Accidental Damage |
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| Turnaround Time |
No More than 20 working days* |
Non-Technical Support
10am - 4pm, Mon-Fri |
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Technical Support
10am - 4pm, Mon-Fri |
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| Shipping Included |
Return to
Client Only |
Return to
Client Only |
Return to
Client Only |
Return to
Client Only |
Warranty offered is a manufacturer's warranty and is directly with Hytera. However, all warranty claims must be made via Radotronics.
Note: Return to Base (RTB) means that you are responsible for the postage cost to Hytera for a warranty claim. However, Hytera will return the item to you or your dealer free of charge. * Does not include shipping time.
Ofcom Licence Options
All licensed radios require a licence issued by Ofcom. Radiotronics can facilitate that and make the application on your behalf. Below are the licence options.
| Ofcom Licence Options |
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| Simple UK |
Simple Site |
Suppliers Light |
Technically Assigned |
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| Security / Construction |
Hospitality / Bars etc. |
Hire Companies |
Large Buildings |
| £75 for 5 years |
£75 for 5 years |
£75 for 5 years |
From £100/yr |
| 3 shared assigned channels that can be used anywhere in the UK. Any of our handheld two way radios can be programmed to SImple UK. |
Up to 15 shared channels that can only be used at your premises. Any of our handheld two way radios can be programmed to SImple Site. |
Up to 15 shared channels that can be used for rental companies anywhere in the UK. |
Unique channels technically assigned only to you. Used for repeater based systems. |
A note on licensed frequencies. The Ofcom licence you hold or buy denotes the frequency your radios will operate on. If you already have some radios and you would like your new radios programmed the work together, please select technically assigned, and email us your ofcom licence details to
websales@radiotronics.co.uk. If in doubt, please call us on 01425 533 533.
