| Series | Photo | Dimensions | Frequency Range
 | Products Download | 
| ETAB(Former HCX-TAB) |  | 1.6*1.2*0.37t | 24M~54MHz(Fund) | RoHS Compliant | 
| E1SB(Former HCX-1AB) |  | 2.0*1.6*0.50t | 16~62.5MHz(Fund) | RoHS Compliant | 
| E2SB(Former HCX-2SB) |  | 2.5*2.0*0.65t | 12~62.5MHz(Fund) | RoHS Compliant | 
| E3SB(Former HCX-3SB) |  | 3.2*2.5*0.75t | 10~64MHZ(Fund) 64~115MHz(3rd) | RoHS Compliant | 
| E5SB(Former HCX-5SB) |  | 5.0*3.2*0.90t | 8~54MHz(Fund) 48~80MHz(3rd) | RoHS Compliant | 
| E3FB(Former HCX-3FB |  | 3.2*2.5*0.90t | 10~64MHZ(Fund) 64~115MHz(3rd) | Exempted by RoHS directive | 
| E5FA(Former HCX-5FA) |  | 5.0*3.2*1.40t | 8~54MHz(Fund) 48~80MHz(3rd) | Exempted by RoHS directive | 
| E49A(Former HC-49SA) |  | 11.05*4.65*3.5t | 3.2~40MHz(Fund) 40~66MHz(3rd) | RoHS Compliant | 
| E49B(Former HC-49SMA) |  | 12.9*4.7*4.2t | 3.2~40MHz(Fund) 40~66MHz(3rd) | RoHS Compliant | 
| E49C(Former HC-49SB) |  | 11.05*4.65*2.5t | 8~40M(Fund) 40~66MHz(3rd) | RoHS Compliant | 
| E49D(Former HC-49SMB) |  | 12.9*4.7*3.2t | 8~40M(Fund) 40~66MHz(3rd) | RoHS Compliant | 
| ETDA(Former DT-26) |  | 2.0*6.0 | 32.768KHz | RoHS Compliant | 
| ETDB(Former DT-38) |  | 3.0*8.0 | 32.768KHz | RoHS Compliant | 
| ETDG |  | 2.0*1.2*0.60t | 32.768KHz | RoHS Compliant | 
| ETST |  | 3.2*1.5*0.80t | 32.768KHz | RoHS Compliant |