This radio is a Japanese version of Digitech AR-1733.
The specs of ELPA ER-C57WR are:
FM: 76MHz - 108 MHz / 87.5MHz - 108 MHz
AM (MW): 522 - 1620 kHz (9K) / 520 - 1710 kHz (10K)
SW: 2300 - 26100 kHz
LW: 153 - 279 kHz
AIR: 118 - 137 MHz
500 programmable memory bank
Sleep timer
Manual, auto and preset station search
Battery indicator
Lock button
Requires 2 x A batteries
Dimensions: 128W x 78H x 32D mm
These are the link to articles in my blog.
ELPA ER-C57WR (Unboxing)
ELPA ER-C57WR part 2 (Impression)
ELPA ER-C57WR part 3 (Compared with the PL-606)
ELPA ER-C57WR part 4 (Listen to the air-band)
ELPA ER-C57WR part 5 (Internal board review)
That’s all, Enjoy!
