| Level |
Technology |
Transmission frequency |
Series
NO. |
Main
features |
Marketing & suggest |
| low-end |
RF(VHF)(Auto Scan) |
85. 5MHz |
A |
Wireless listening,FM radio |
With basic funtion and cheaper price, suitable as promotional items for TV, DVD,PC, etc (Asia, Africa market, Middle East, south America market) |
| A1 |
functions of A series +stereo wired headphone +wired PC chatting headphone |
| A2 |
functions of A1 series +wireless Internet chatting |
| P1 |
functions same as A2 but for transmitter, the power supply is from USB port of PC |
Promotional items especially for PC market(Asia, Africa market, Middle East, south America market). |
| 40. 68MHz/49. 86MHz |
D3 |
Wireless listening |
With basic funtion and cheaper price, suitable as promotional items for TV, DVD,PC, etc (European, American market) |
| D4 |
function of D3 series +stereo wired headphone +wired chatting headphone |
| D5 |
functions of D4 +wireless Internet chatting |
| DP1 |
all functions same as D5 but for transmitter, the power supply is from USB port of PC |
Promotional items especially for PC market(European, American market). |
| Middle |
RF(VHF)
(PLL)Stereo |
85. 5MHz |
STB |
Stereo wireless listening
PLL technology to lock frequency, point to point |
With better performance, competitive price, suitable as promotional items for higher end products or retail market(Asia, Africa market, Middle East, south America market). |
| STA |
Stereo wireless listening
PLL technology to lock frequency, manual tune |
| 40. 68MHz/49. 86MHz |
D |
Stereo wireless listening
PLL technology to lock frequency, |
With better performance, competitive price, suitable for promotional items for higher end products or retail market(VHF is for European & American market, IR is for global markets) |
| RF (PLL) MONO |
40. 68MHz/49. 86MHz |
D-M |
Mono wireless listening
PLL technology to lock frequency, |
| 40. 68MHz/49. 86MHz |
A3 |
Mono wireless listening
PLL technology to lock frequency. FM radio |
| IR |
CARRIER FREQUENCY2. 3/2. 8MHz or 3. 2/3. 8MHz |
A |
Stereo wireless listening |
| B |
Stereo wireless listening and auto power off |
| C |
Mono Wireless listening |
| High-end |
RF(UHF)
(PLL) |
863MHz / 913MHz |
C |
Stereo wireless listening
PLL technology to lock frequency, point to point |
Top quality performance and reasonable price, retail or as business gifts (suitable for global markets) |
| 2. 4GHz(analog) |
C1 |
Stereo wireless listening
PLL technology to lock frequency, |
| 2. 4GHz(digital) |
C2 |
stereo wireless listening |
|
| AV sender |
JH-1000 |
Both audio and video signal transmission |
